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Haas Home Extensions Group

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Offers services in WALTHAM CROSS
Welcome to Haas Extension Group, where we take pride in being the premier suppliers, installers, and design consultants of...
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Primo Contractor

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Offers services in WALTHAM CROSS
At Primo Contractor Ltd, we are a construction company deeply committed to delivering both domestic and commercial renovat...
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Loft & Build

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Offers services in WALTHAM CROSS
We can cover all aspects of a loft conversion and extensions. If you require, we can also design the project including dr...
Verified ProOver 10 Reviews
we Are a family run business with over 30 years experience built on reputation Our services include all types of roofing...

Recent Builder Enquiries

06 Jan

Conversion | Loft

Waltham Cross - EN7

Enquiry from: Bukurie H

Start Date: Immediate

customer made an enquiry for loft conversion and confirmed on the local quotes site they would like quotes from a builder.mrs lives in the waltham cross area and would like a call to discuss options.s...

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06 Jan

House Extensions

Waltham Cross - EN7

Enquiry from: Bukurie H

Start Date: Immediate

customer in waltham cross area has requested that we arrange quotes for their house extension project.mrs are considering various options and would like to discuss with a builder directly.please call ...

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18 Sep

Building work | General

Waltham Cross - EN7

Enquiry from: Frank A

Start Date: 1 to 3 months

customer made an enquiry for building maintenance and confirmed on the quotatis site they would like quotes from a builder.mr lives in the waltham cross area and would like a call to discuss options.s...

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30 Nov

Building Work | Porch

Waltham Cross - EN7

Enquiry from: Hatti S

Start Date: Immediate

Looking for quotes for a woodgrain upvc porch. Please call to appoint

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27 Sep

Conversion | Loft

Waltham Cross - EN8

Enquiry from: Daniel F

Start Date: Immediate

to build a staircase from the landing above the turn in the stairs to the loft with door access. are you the property owner: owner of the property property type: terrace what are you looking to conver...

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26 Sep

House Extensions | Single Storey

Waltham Cross - EN7

Enquiry from: Delroy M

Start Date: Immediate

customer in the waltham cross area made an enquiry a couple of projects including single storey house extension.call anytime and arrange an appointment to discuss. below is some details about this pro...

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26 Sep

House Extensions

Waltham Cross - EN7

Enquiry from: Delroy M

Start Date: Immediate

wrap around rear extension are you the property owner: owner of the property property type: terrace looking for: single storey extension do you have planning permission: no do you have plans drawn up...

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14 Jul

New Build | Residential

Waltham Cross - EN8

Enquiry from: Sofyan D

Start Date: Immediate

customer in waltham cross area has requested that we arrange quotes for their new build homes project.mr are considering various options and would like to discuss with a builder directly.please call t...

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25 Dec

Conversion | Loft

Waltham Cross - EN8

Enquiry from: Sam J

Start Date: Immediate

Loft saricase like this https://www.stairbox.com/stairbuilder/top-and-bottom-left-winder-staircase-with-balustrade.html?gclid=CjwKCA***BhADEiwA_pZwcIMdVRyWwSOxKkJChi***gtln***cID6Em***rtTONwpyh***QAvD...

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13 Oct

Conversion | Loft

Waltham Cross - EN8

Enquiry from: Jacqui T

Start Date: Immediate

*homeowner Loft conversion including ensuite and stairs please call to appoint

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01 Mar

Building Work | Porch

Waltham Cross - EN7

Enquiry from: Yvonne E

Start Date: Immediate

tenant has permissions, will make decisions and paying new build or replacement: new build quote requested on a porch, in pvcu, to be supplied and fitted. are you the property owner: tenant (with ...

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11 Sep

Conversion | Garage

Waltham Cross - EN7

Enquiry from: Alexander S

Start Date: Immediate

garage conversion into a living room

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21 May

Conversion | Loft

Waltham Cross - EN8

Enquiry from: Gillian L

Start Date: Immediate

customer visited the myloftconversionprices.co.uk site and submitted an enquiry. property type: terrace, property owner: owner, looking to convert into: bedroom, work description: convert into bedroo...

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17 Mar

House Extensions

Waltham Cross - EN8

Enquiry from: Shantha C

Start Date: Immediate

Are you the property owner: Owner of the property Other Forms: House Extension Agreed to receive quotes for selected products: Yes Please call to appoint

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07 Feb

House Extensions

Waltham Cross - EN8

Enquiry from: Patricia W

Start Date: Immediate

Are you the property owner: Owner Have you considered getting your windows replaced to match a new conservatory: Yes How many windows are you looking for: 4 Windows Other Forms: House Extension Agreed...

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01 Feb

Insulation | External Wall

Waltham Cross - EN8

Enquiry from: Lauren J

Start Date: Immediate

Conservatory insulation. Are you the property owner: Owner of the property Property Type: Semi detached How many bedrooms do you have: 3-4 Bedrooms Property Age: 1930-70 Please call to appoint

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27 Jun

House Extensions

Waltham Cross - EN8

Enquiry from: Tony M

Start Date: Immediate

2 storey side extension 1.6m x 7.5m. Pitched roof. Remove 2 x 2.5m sections of existing exterior wall on each floor and support where req. Install drainage (max 4m) Window at front and 2 at side, ...

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30 May

House Extensions

Waltham Cross - EN8

Enquiry from: Linh N

Start Date: Immediate

Currently open front porch with 2.5m from left to right and around 90cm from front door to the front. Need uPVC enclosed porch around £3-4k max Customer is currently in the process of looking for qu...

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30 May

House Extensions | Single Storey

Waltham Cross - EN8

Enquiry from: Linh N

Start Date: Immediate

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Sin...

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24 Dec

Bedroom | Fitted Wardrobe

Waltham Cross - EN8

Enquiry from: John C

Start Date: Immediate

Fitted wardrobes mirrored doors floor to ceiling. Are you the property owner: Owner of the property How many bedrooms do you have: 1-2 Bedrooms Are you looking to decorate the whole room: No Please...

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How much do Builder services cost?

How much do Builders cost? Prices for Builders in 2025 can fluctuate relying on the sort of work that you need to have carried out in your residence.

Are you planning to erect a new house or structure? If yes, then you’d probably want to know just how much it’ll take to get the project over the line to help you set a budget and start to plan. Building a new house is requires huge financial investment and as a result, there’s the need to carry out your due diligence before you proceed. In this post, we’re going to give you an insight into the prices charged by builders to erect a new home or structure.

First and foremost, like every other home project, the price charged by builders to construct a new house or structure depends on a wide range of factors. These factors include the size, location, accessibility as well as qualifications of the builders you wish to employ just to mention a few. For instance, you’d expect the cost of building two-storey in London to be a lot more expensive than the price of a one-story building in Scotland. However, we’ll try our best to give you an idea of the price range you can expect to incur to complete your project.
In general, a builder will charge within the range of £10 to about £15 per hour on the average. For small building projects which includes wall and foundations repairs, a builder will typically charge about £11 per hour. However, the price charge will depend on the extent of the job due to the fact that simple tasks such as repointing only costs about £10 per hour, while laying new foundations can cost up to £15 per hour.

The table shows the types of work that Builders typically do and the average cost range of these tasks. Some tasks take longer to finish than others so prices do fluctuate by job.

View our Builder cost guide View our Builder advice

The average price
of a Builder in Waltham Cross is:

£25,867

Builder job Builder cost in 2025
Garage conversion in Waltham Cross £9,750-£18,450
Loft conversion in Waltham Cross £31,250-£67,917
House extensions in Waltham Cross £32,400-£75,600
Loft insulation in Waltham Cross £450-£690
Upvc or wood porch in Waltham Cross £2,625-£4,025
Barn conversions in Waltham Cross £112,500-£172,500
Basement renovation in Waltham Cross £30,000-£46,000
Bedroom fitting in Waltham Cross £1,500-£2,300
Bricklayers in Waltham Cross £300-£460
Cavity wall insulation in Waltham Cross £400-£820
Commercial new builds in Waltham Cross £105,000-£161,000
Conservatory base in Waltham Cross £675-£1,035
Building maintenance in Waltham Cross £2,250-£3,450
Building insurance works in Waltham Cross £2,250-£3,450
Pebble dashed walls in Waltham Cross £2,000-£9,200
Plasterboard dry lining in Waltham Cross £638-£978
Residential new builds in Waltham Cross £105,000-£161,000
Restoration and refurbishment in Waltham Cross £37,500-£57,500
Roof insulation in Waltham Cross £7,500-£11,500
Underpinning in Waltham Cross £2,250-£3,450
Wall cladding in Waltham Cross £1,125-£1,725
Wall rendering in Waltham Cross £3,750-£5,750
Demolition in Waltham Cross £2,440-£3,660
Roof room in Waltham Cross £15,000-£23,000
Shop refurbishment in Waltham Cross £3,750-£5,750
Single storey house extension in Waltham Cross £21,600-£37,400
Soundproofing in Waltham Cross £900-£1,380
Driveway repair in Waltham Cross £607-£51,140
Garden room in Waltham Cross £6,400-£9,600
External wall insulation in Waltham Cross £6,000-£15,000

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Builder FAQs

how long do house extensions take?

If you’re about to start your house extension project and wondering how long it’ll take to complete, you’re not alone! This is one of the most common questions that’s asked by homeowners in the UK and across the globe. However, there’s no single precise answer for this as there are multiple factors that’ll affect the length of time it’ll take to complete your home extension. These factors include the size of the construction work as well as whether you’re planning to live in the house after completion or otherwise.

For a single extension, the length of time it’ll take to complete the home extension is normally up to 3 months. So let’s break this down:

As you would have expected, the first step to be taken is the preparation of the site. You start by digging out the footing and preparing the foundation which should take about 2 weeks. This is then followed by the damp course installation as well as the fitting of any drains needed around the extension which will also take a further 2 weeks.

The 5th week will be for the construction of the external walls as well as putting the blockwork in place for the provision of the cavity wall insulation. A further 2 weeks after this, will be dedicated to the installation of the roof structure and the internal walls.

It’s at this junction that you’ll call on your weather proof installer to fit in your uPVC windows and doors. Once done, the gas fitters and electricians will have to be on site to connect power to your new extension building. Subsequently, this will be followed by internal wall plastering as well as breaking through your main house. Once the plaster is dried, decorations completed and all the required furniture and units installed, the extension is ready for use.

How to fit external insulation?

With the title of this blog, do not be deceived into thinking the purpose is to encourage you to install an external insulation by yourself. Even as a competent DIYer, it’s not advisable to buy a couple of materials and start slapping it into the wall hoping for the best outcome. External insulation is by no means a DIY job and without the proper training and experience, it can easily turn out disastrous resulting in loss of time, effort and money in such a valuable project. This blog, however, will give you a great insight on how the installation process works and help maximize knowledge ensuring you do not spend more than necessary.

External Insulation Installation

lRender Test

• This is done to ensure the existing render is good enough for insulation support.

• If positive, the insulation can be applied directly onto it.

• If negative, ensure removal of the old render before fitting the insulation.

lPipework Adjustment & Removal

• Remove all pipework prior to insulation fitting

• Install temporary downpipes to ensure water is not wasted and everything continue to function normally during the insulation fitting process.

lWindow Protection

• Protect the window with a protective layer or film.

lStarter Track Fitting

• Determine level you want the insulation to start (height).

• Fit the aluminium start track or carrier tray at the identified level.

lInsulation Boards Fitting

• Apply a layer of adhesive to the board and glue them to the wall in a staggered pattern.

• Cut to fit round all obstructions and windows.

• File off the edge of the board where necessary using a rasp upon successful fitting of the boards

lMechanical Fixing Inclusion

• Hammer around 10 fixings per square metre into the board.

• This is to secure the insulation boards.

lBeading Fitting

• Add corner beads and stop beads to ensure the insulation is secure and to prevent it from making contact with other materials.

lReinforcing Mesh & Render Addition

• Apply two layers of strengthening properties and between the two layers of render, include a fibre glass mesh.

lPrimer Application

• Paint on the primer

lFinal Render Application

• Choose your most preferred texture and colour as this will be the last coating of the installation process.

lPipework Re-installation

• Re-install all detached pipework at the start of the installation process.

How much does external solid wall insulation cost?

Before the commencement of any project, it’s always best to get an estimation of the cost. However, determining the cost of an external solid wall insulation is not the easiest of tasks as it relies on varying components such as the insulation materials to be used, labour cost and installation as well as the type of decorative finish to be incorporated. And depending on your choice of insulation material, some may need some adhesives while others may require some fixings which also contributes to the differences in price. As a result, the determination of the material cost alone can be tricky and even more so when various materials cover varying areas.

With that in mind, the cost of external solid wall insulation generally ranges between £80 to £100 per square metre2. As a result, a small flat can cost from £6000 to £9000 whereas a large detached house can have a price ranging between £21000 to £23000. To earn back your investment in terms of energy bill savings can take a couple of years, but it’s surely worth the try as there are several other benefits associated with installing an external solid wall insulation system. What’s more? Another huge factor that can influence the cost of your system is also the amount of work that’s required, how easy it is to be accessed by the installers and lots more

If you’re looking to cut down on the cost of your external solid wall insulation, then the best time for an installation might just be when you’re having another decorating or building project done such as fitting a new roof, window painting, installation of solar PV panels and more. This way, you’ll be able to spread the cost and have a greater value for each penny expended.

How good is external wall insulation?

External Wall Insulation (EWI) is the act of insulating a home by fitting insulation to the exterior parts of the building which in turn improves thermal performance, cuts energy consumption ( savings on energy bill) and also adds to the home’s visual appeal. The systems are built in multiple layers, with the insulation board offering a plethora of options with each being suitable to varying projects and their needs. Installing an external wall insulation comes with a variety of benefits, let’s have a look!

• Thermal Performance Improvement

With EWI, the thermal inertia of the walls are greatly enhanced while also restricting the loss of heat. Ultimately, this lowers heating costs, enhances the comfort of indoor thermal and also reduces CO2 pollution.

• Eliminates Noise Pollution

When the noise levels are high, it can have a bad impact on our overall well being. A great way to reduce the disturbances from the outside like traffic noise is by fitting an External Wall Installation system.

• More Comfortable Living Space

Do you know the damp in homes can contribute to respiratory problems? A properly insulated home will greatly limit the impact of condensation by combating the damp issues. As a result, you can always expect your house to be cosy and comfy irrespective of the season. A cooler summer and warmer spring is guaranteed with EWI.

• Enhances The Property’s Visual Appeal

Looking for an excuse to rejuvenate your home’s aesthetic appeal? Well, you can as well try out adding an EWI system. There are a plethora of unique colours and styles you can pick from to beautify your home effortlessly.

• Adds Value To Property

An insulated home will generally cost more than an uninsulated one at the time of resale. Potential home buyers are more interested in the acquisition of a home with an EWI system due to its various benefits - and a higher demand can only imply a higher price!

how to lay loft boards?

How To Lay Loft Boards

Do you need more storage space in your home or property? If you live in a tiny space especially where extensions can’t be made sideways, why not look to the topmost area of your home and consider boarding out your loft to make it usable?

Boarding your loft can make for a fairly easy DIY project but like every other home improvement tasks, it requires some specific skill sets as well as knowledge for a successful construction. Therefore, we’d recommend you hire the services of a reliable professional in order to guarantee the best possible outcome, especially if you lack proper training or experience that’ll help you avoid some costly mistakes. Here, we’ll give you a good insight into the loft board laying procedures.

• Get The Right Tools & Equipment

The materials and supplies you’ll need to lay loft boards include loft boards, screws, tape measure and pencil, drill, hammer, saw, protective gear such as gloves and dust mask.

• Work Out The Area

Measure up the area you need the boards to cover. The standard loft features two different sizes (both are 18mm thick) which include 2400mm x 600mm and 1220mm x 320mm. You should ensure that the board you opt for fits through the loft hatch perfectly.

• Start Laying

Once you’re done working out the area, the next step is to put on your protective gear and start putting the boards in place. You should lay the boards in a staggered pattern so as to give a better strength. While doing this, watch out for any wire running through your loft so they don’t get trapped, you should also cut the boards for easy access to the light fittings’ top.

• Make It Permanent

Upon the successful placement of the boards in a way that offer a safe area to store things and stand on, you’ll have to screw them in place. Start by drilling 2 or 5 holes along the edge of individual boards in such a way that lines up with the centre of the joist below. Once done, then you can fix them in place with screws.

how to refurbish a house on a budget?

In the event whereby you’ve got big refurbishment ideas for your house but a small budget, then you know it’s time to be a bit more creative and apply some cheap and simple tricks. The best possible way to go about this is to invest time in acquiring new skills rather than trying to save up more money to pay a pro to deliver the results you want. After all, the most significant cost when it comes to house refurbishments is usually the labour cost.

The key to making cheap tricks a lot effective in the refurbishment process is by undertaking small tasks that’ll make a huge impact. A great way to start would be by taking it one task at a time rather than rushing to complete all at once. This way, you’ll have enough time to perfect your skills before moving on to the next.

✓ Paint the interior walls. Although this is a simple task but it’ll save you a lot of money if done as a DIY project. To get started, you’d have to text colour options by painting samplex on the wall first. Once done, you can go for the one that adds warmth, dynamism as well as energy to the room.

✓ Fix up your furniture. This involves re-upholstering and refinishing any piece of furniture that appears tired or overly worn (you can leave out the ones that you do not really like or unnecessary items).

✓ Spruce up small but important items used on a daily basis. This includes spray-painting inexpensive picture frames, recovering lampshades with a vibrant paper or patterned fabric, adding throw pillows to armchairs and couches and the likes.

✓ Fix all small things that are broken. This includes activities like patching the nail holes in the wall, repairing the latch on the kitchen cabinet, fixing the gutter, putting a new handle on the door and lots more.

Will my extension be expensive?

It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.

how much is a dormer loft conversion?

Are you considering a dormer loft conversion for your home? If yes, then you’d probably want to know how much it costs. Unfortunately, due to the several variables and influencing factors, a precise answer can not be provided for all dormer loft conversions. In this article we’ll give you a vague idea of the general cost so you can set a more realistic budget and start planning.

There are three main types of loft conversion which includes the Velux, Dormer, and Mansard. Out of the three types, the dormer happens to be the most common type and possesses a small flat roofed extension with a window. The dormer loft conversion will usually cost within the range of £25,000 to £30,000.

The price for a smaller dormer loft conversion, mid range dormer loft conversion and large scale dormer loft conversion will be at £2,000 to £7,000, £10,000 to £30,000 and £40,000 to £60,000 respectively. However, you should take note that the prices given are all based on varying influencing factors such as the type of installation that is selected, the type of the rood, en suite conversion as well as other customization. Changes in price can be as a result of the materials required and the extra time per labour that’s needed to complete this home improvement project by the tradesmen employed.

Furthermore, a dormer loft conversion average cost will also depend on the type of dormer you opt for. Here is a list of the most common applications:

✓ Blind dormer loft conversion - £3,200 to £4,400

✓ Recessed dormer - £1,300 to £1,850

✓ Barrel roof dormer - £3,000 to £4,600

✓ Gable dormer - £5,500 to £7,500

✓ Hipped roof dormer - £5,600 to £6,660

✓ Pedimented dormer - £12,700 to £23,100

✓ Flat roof dormer loft conversion - £13,800 to £21,600

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