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Haas Home Extensions Group

0 review(s)
Offers services in GREAT MISSENDEN
Welcome to Haas Extension Group, where we take pride in being the premier suppliers, installers, and design consultants of...
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Loft & Build

0 review(s)
Offers services in GREAT MISSENDEN
We can cover all aspects of a loft conversion and extensions. If you require, we can also design the project including dr...
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Primo Contractor

0 review(s)
Offers services in GREAT MISSENDEN
At Primo Contractor Ltd, we are a construction company deeply committed to delivering both domestic and commercial renovat...
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Home Counties driveways and patios

13 review(s)
Offers services in GREAT MISSENDEN
Welcome to Home Counties, our team handle projects large and small from residential to commercial. Our Driveway service...
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The Fascia Division

2 review(s)
Offers services in GREAT MISSENDEN
The Fascia Division are specialist installers of fascias, soffits, guttering and cladding. Our experienced installers a...

Recent Builder Enquiries

14 Nov

Bedroom | Fitted Wardrobe

Great Missenden - HP16

Enquiry from: Gaby A

Start Date: Immediate

Hello, We would like to make a fitted wardrobe for our bedroom. We have two small wardrobes, one in each joining room, and we are closing the one side to make a bigger wardrobe for the main bedroom...

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07 Jun

House Extensions

Great Missenden - HP16

Enquiry from: Madeleine H

Start Date: Immediate

customer made an online enquiry for house extension and confirmed on sms and email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote. are you the p...

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28 Jan

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Richard B

Start Date: Immediate

we have some old loft insulation, but it’s thin and patchy in places and needs improvement. are you the property owner: owner of the property property type: detached how many bedrooms do you have: ...

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02 Mar

Insulation | External Wall

Great Missenden - HP16

Enquiry from: Martin W

Start Date: Immediate

Pitched roof thermo board insulation to single story building. Rafters 12 ins gaps and 100mm deep.

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14 Dec

Conversion | Garage

Great Missenden - HP16

Enquiry from: Jeffrey C

Start Date: Immediate

looking to convert gargage to use for dog grooming, plumbing bath, floor, tiling/waterproofing walls and protecting electrical sockets. are you the property owner: owner of the property do you have a:...

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04 Sep

Building work | General

Great Missenden - HP16

Enquiry from: Barbara S

Start Date: Immediate

two screws have come out of a kitchen drawer please call to appoint time scale: immediate

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05 Feb

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Dean S

Start Date: Immediate

Loft insulation

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07 Jan

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Dean S

Start Date: Immediate

Loft insulation

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21 Nov

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Paul G

Start Date: Immediate

Insulating the pitched roof of a garage, brick built wooden joists 14" apart

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30 Jan

Conversion | Loft

Great Missenden - HP16

Enquiry from: Michelle T

Start Date: Immediate

Loft conversion: Note: Gable roof - 6ft at tallest point Current size - 4m x 4m (approx) Including a dorm into a flat roof at at least 6ft tall New staircase into loft Interior: floorboards, c...

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06 Mar

Conversion | Loft

Great Missenden - HP16

Enquiry from: Samantha N

Start Date: Immediate

Customer visited the myloftconversionprices.co.uk site and submitted an enquiry. Property type: Semi detached, Property owner: Owner, Looking to convert into: Bedroom, Work description: extra bedroo...

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02 Jan

House Extensions

Great Missenden - HP16

Enquiry from: Colette M

Start Date: Less than one month

Semi detached house in Prestwood. We are looking for a room built over our current garage. Depending on cost, we may extend the garage to include a utility room then a full length extension on the top...

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03 Sep

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Will T

Start Date: Less than one month

Loft insulation throughout main loft and into eaves Are you the property owner: Owner of the property How many bedrooms do you have: 5+ Do you currently have loft insulationn: Yes Do you require a top...

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15 Jul

Conversion | Garage

Great Missenden - HP16

Enquiry from: Darren H

Start Date: Immediate

Convert existing double garage into games room Are you the property owner: Owner of the property Do you have a: Double Garage What will the space be used for: Other Do you require Plumbing Work: No Do...

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13 Jul

Conversion | Garage

Great Missenden - HP16

Enquiry from: Darren H

Start Date: Immediate

Convert double garage into single story games room to finish and retile main house. Planning permission reference: Ref. No: CH/2014/2079/FA | Validated: Tue 23 Dec 2014 | Status: Decided Are you the...

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27 Jun

Conversion | Garage

Great Missenden - HP16

Enquiry from: Tracey M

Start Date: Immediate

Conversion of double garage into single garage / storage area and a dining area. Knock through new dining area into existing kitchen. Convert current kitchen & dining area into one larger kitchen area...

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19 Apr

House Extensions

Great Missenden - HP16

Enquiry from: Ashley E

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: rear single storey extension with glass doors approx 5 m x 4 m . Front exte...

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02 Mar

Insulation | Loft / Roof

Great Missenden - HP16

Enquiry from: Thomas R

Start Date: Immediate

Customer visited the myroofingquotes.co.uk site and submitted an enquiry. Property type: Industrial Unit, Roof type: Pitched, Work description: looking to replace existing mono pitch corrugated roof...

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04 Dec

Building work | General

Great Missenden - HP16

Enquiry from: Mark C

Start Date: Immediate

Need lounge screeded ready for carpeting. Area is 24 sq m. Room needs to be ready for log burning stove install on the 15th of January A number of years ago, this room was the kitchen. Underneath ...

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05 Nov

House Extensions

Great Missenden - HP16

Enquiry from: Jayne B

Start Date: 3+ months

we would like to investigate the feasibility of extending the width of our garage for increase space and create a workshop and to allow project work on restoring motorbikes. The garage is detached, w...

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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 Great Missenden is:

£24,739

Builder job Builder cost in 2025
Garage conversion in Great Missenden £9,750-£18,450
Loft conversion in Great Missenden £18,750-£28,750
House extensions in Great Missenden £29,000-£62,667
Loft insulation in Great Missenden £450-£690
Upvc or wood porch in Great Missenden £2,625-£4,025
Barn conversions in Great Missenden £112,500-£172,500
Basement renovation in Great Missenden £30,000-£46,000
Bedroom fitting in Great Missenden £1,500-£2,300
Bricklayers in Great Missenden £300-£460
Cavity wall insulation in Great Missenden £400-£820
Commercial new builds in Great Missenden £105,000-£161,000
Conservatory base in Great Missenden £675-£1,035
Building maintenance in Great Missenden £2,250-£3,450
Building insurance works in Great Missenden £2,250-£3,450
Pebble dashed walls in Great Missenden £2,000-£9,200
Plasterboard dry lining in Great Missenden £638-£978
Residential new builds in Great Missenden £105,000-£161,000
Restoration and refurbishment in Great Missenden £37,500-£57,500
Roof insulation in Great Missenden £7,500-£11,500
Underpinning in Great Missenden £2,250-£3,450
Wall cladding in Great Missenden £1,125-£1,725
Wall rendering in Great Missenden £3,750-£5,750
Demolition in Great Missenden £2,440-£3,660
Roof room in Great Missenden £15,000-£23,000
Shop refurbishment in Great Missenden £3,750-£5,750
Single storey house extension in Great Missenden £21,600-£37,400
Soundproofing in Great Missenden £900-£1,380
Driveway repair in Great Missenden £607-£51,140
Garden room in Great Missenden £6,400-£9,600
External wall insulation in Great Missenden £6,000-£15,000

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Builder FAQs

How to convert a basement into an apartment?

In some cases, it’s possible to convert a basement into an apartment. This can be a great way to incorporate an additional dwelling into your property and increase its value. However, converting a basement into an apartment can be quite expensive and time-consuming.

As with any type of dwelling, you’ll need to think about basic things like access, damp proofing, ventilation, insulation, heating, electrics, plumbing, lighting and décor. If you’re planning on extending your basement, then you’ll also need to ensure that your property is sufficiently supported.

It’s a good idea to consult a professional, like a basement conversion building specialist, to find out how feasible your project is before you go ahead with it.

How long does a small extension take?

If you’re planning to build a small extension on your property, you’ll most likely want to know the length of time it’ll take to complete the home extension. Just like many other home improvement projects, it’s impossible to provide a specific number of day in which your project will be completed as the duration is based on a number of influencing factors. This includes the size of the development work as well as whether or not you plan to live in the house when the work is being done. In this article, we’re going to give you a breakdown of the processes that’s involved in building a small single storey extension alongside the duration for each so you can have an idea of how long your small extension project will take. Let’s take a look!

✓ A small single storey extension will normally take about 3 months to be completed.

✓ Site preparation is the first step in the process and it’ll take up to 2 weeks the dig out the footings and prepare foundations. Followed by a further 2 weeks to fit the damp course as well as any drains required around the extension.

✓ The 5th week is spent on working on the external walls and putting in place blockwork to deliver cavity wall insulation.

✓ The next 2 weeks will be spent on installing the roof structure as well as internal walls.

✓ Once done. The builders will make the structure weather proof and electricians or gas fitters will be on site to add power to the extension. This will be followed by internal walls’ plastering as well as breaking into your main house.

✓ After this, when the plaster is dry and decoration completed, units or furniture will then be installed.

How to put up plasterboard?

How To Put Up Plasterboard

Putting up a plasterboard is a vital process when it comes to home renovations. However as daunting as it may seem, with a good guide and regular practice you can master the skill within a small period of time. If you lack proper training and experience, we’d recommend you hire a seasoned professional plasterer for help so as to get the best result and also avoid additional costs due to possible damages.

Putting up plasterboard is way quicker than wet plastering and also significantly reduces the drying time that can slow down your renovation plans. With a plasterboard, you can delve straight into the decorating stage and achieve a smooth finish. Below are the steps required to put up a plasterboard.

• The first step is cutting the plasterboard to shape which be one of the most challenging parts of the process. This is because you’ll need to fit the board around things such as plug sockets and window sills. As a result, this involves cutting complex shapes rather than just a simple straight line. To get this done, simply mark out the cut required with the use of a tape measure, combination square and spirit level for a better precision. Once done, you can then use a plasterboard pad saw to cut along the marked spots.

• After you made the required cuts, the next step is putting up the plasterboard. And depending on where the boards are going to be put, this could be a very challenging task. If you’re going to put the boards on the ceiling or somewhere very high up, you’d probably need an extra pair of hands for help. To get this done, use the appropriate screws to secure the boards in place if you’re installing them directly on studs. However, if you’d be fixing them onto bricks or blocks, a drywall adhesive is your best bet.

how to pebble dash a wall?

Pebble dash is an effective way to tune up your house or property as it can go a long way to enhance its curb appeal while also add to its resale value if you should decide to sell later on. Although, it’s highly recommended to leave this task for a reputable specialist, it’s also something that can be done as a DIY task. It must be states that this is a pretty difficult job and even more so if you haven’t attempted it before. In this post we’re going to take you through the processes involved in pebble dashing a wall. Let’s take a look!

  • Mix up water with the lime strictly following the manufacturer’s instructions. Once done, leave it covered up to hydrate for at least 24 hours.
  • Take one part of the slaked lime and mix it up with cement and six parts sand. This is to give the base mixture required to spread onto the surface.
  • Use a trowel to apply the mixture onto the wall. Ensure that the trowel is level and use the edges to make a flat and smooth layer of the mixture on the surface as a base layer. Allow the base layer to dry for up to an hour. Then, rake the surface using a notched trowel and allow to dry for a minimum of 24 hours.
  • Rinse and drain your pebbles. Then, set them under the wall you’re pebble dashing.
  • Take the top coat of five parts sand and mix with one part cement and one part slaked lime. Use a trowel to apply this mixture over the base layer and smoothen it with the trowel to create a flat and even top layer.
  • Spread a plastic sheet beneath the wall you’re pebble dashing to capture any loose pebbles as they fall.
  • Grab the bucket of pebbles below the wall and scoop some of the pebbles up using a scoop or trowel. Some will stick and some will fall into the plastic sheet already placed below. Continue throwing the pebble dash until the surface is completely and evenly covered with pebbles.
  • Lightly press and fit the pebbles on each section into the wall and leave for at least 24 hours to dry.

How much sand do I need for bricklaying?

Sand is a very important element in bricklaying as far as a mortar mix is concerned. Generally, the quality of the sand is the major factor determining the quality of a plaster mix or mortar mix. It’s recommended that the sand should have enough ‘fines’ (- 75 micron material) to get a good plastic mix with a water content that’s less than 350 litres/m3. Generally, a mortar mix or plaster mix is made within the range of one bag of cement to 200 to 300 litres of damp sand.

Apart from experience the next best indicator of the quality of sand is a field test. In other words, if you do not have the required training or experience in bricklaying, the best bet to determine the amount of sand for a good quality mix is by carrying out a field test. Let’s have a look!

• Get about 50kg of sand and air dry it.

• Scoop 25kg of the sand, 5 kg of cement as well as litres of water ( with 1 litre and 1.5 litres of the water in different containers).

• Mix the cement and sand to form a smooth, uniform and consistent colour.

• One after the other, mix the the sand - cement mixture in the three quantities of water. Do this until you’re able to achieve a mix that’s workable enough to use as plaster.

With that done, you should take note that if 5 litres of water is sufficient then the quality and quantity of the sand is perfect. If you’d require 6 litres of water to get a mix workable as a plaster, then both the quality and quantity of the sand is average. However, if you’d need 7 litres of water to get a mix workable as a plaster, then the quality of the sand is poor. Any requirement of water above 7 litres implies a very poor quality of sand.

how does cavity wall insulation work?

In recent times, more and more home and property owners are starting to come to terms with the large returns and little investment in cavity wall insulation provides. For a relatively little amount you can achieve a lot, from an increase in your home’s energy efficiency and reduction in heating bills to a huge boost in your property’s resale value and lots more. This makes you wonder how an ordinary insulation can help you achieve so much, right? Well, you’re definitely not alone! Several other potential investors are also eager to know exactly how the cavity wall insulation works to deliver all these juicy benefits. In this post, we’re going to go provide you with a detailed insight on how cavity wall insulation works. Let’s take a look!

 

Typically, cavity wall insulation works as acting as a shield which prevents the escape of heat from your home. It features a reflective surface which serves as a barrier to reflect heat from one side of the panel, effectively minimizing the amount of heat conduction that escapes through. This protection of your home from heat penetration comes with a couple of benefits with the obvious one being an incredible thermal efficiency. An insulated home or property is able to maintain a much more balanced temperature throughout the year – staying a lot cooler during the summer months and retain the heat generated during the winter months. However, a less talked about benefit is the fact that when an insulation is done during the construction of a house, the whole development phase can be completed a lot quicker. This is mainly because insulation offers total protection against weather conditions which enables internal trades to continue without the need to wait for brickwork or cladding to be completed.

how much does a two storey house extension cost?

If you’re considering adding a two storey house extension, then setting a budget for this project would be a great way to get started. Similar to a rear extension, a two storey extension usually leaves the rest of the building needing some work and, due to its size, this may imply the re-development of the entire house - which is why they can be very costly. Some of the other influencing factors that can have big impact on a two storey house extension cost includes: your location, the size of the build, complexity of the design ( anything beyond the standard build will normally require more expertise and time), the glazing to be incorporated ( the more the glass used in the project, the more the material cost), as well as the team used.

Generally, when it comes to extensions, the major part of the expenses will be made on the build of the project. This is because it doesn’t only cover the material cost but also the contractor’s overhead as well as the daily rates. At this stage, the extension prices can be determined by the standard of the work that’s being done.

For a fairly average room size of about 18 square metre, the two storey extension should cost within the range of £2,500 to £3,000 per square metre - with the range being determined by the finishes incorporated. Therefore, a two storey extension of about 18 square metre should cost within the range of £45,000 to £55,000. However, this is with the assumption that there are standard window sizes, bathroom suits are modest, and without any need for any purpose joinery or glazing. If you wish to include all these extra features you’ll also have to pay more to make the total cost between £70,000 to £80,000.

how big can my house extension be?

The holy grail of home extensions is basically the need for additional space for living as well as leisure. However, before commencing your home extension project, you’d probably want to know just how big your new building can be. In this article, you’ll find the answer to this question which is also frequently asked by many other home or property owners in the UK.

Besides your budget, there are two other major influencing factors that can determine just how much extra room that can be added. These factors include whether you wish to carry out the extension project under Permitted Development rights which is usually for a smaller project or you’d prefer to opt for a larger project which is covered by Planning Permission.

Apart from the limitations in the size of an extension under Permitted Development, the extensions are also a lot more affordable and consumes less time when compared to the extensions under planning permission. So what exactly is the size limit for an extension under Permitted Development and the ones under Planning Permission?

For a single storey extension, the maximum size that can be constructed without having to submit an application for Planning Permission includes:

• An extension should have a maximum length of 6m, if you reside in a terraced home or a semi-detached property.

• Extensions for detached properties can have a maximum length of 8m.

• The extension built must not go beyond half your garden’s area.

• The extension should have a maximum height of 4 metres, but in the event whereby the extension is situated within 2 metres of the boundary of your property, it should not exceed a height of 3 metres.

• The extension should not be higher than the highest part of the existing house’s roof.

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