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Verified ProOver 50 Reviews

Colt Property Improvement

74 review(s)
Offers services in HARPENDEN
We are a family orientated company established in 1994. Utilising only the best quality materials and a highly skilled wo...
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Essex Loft Extensions

0 review(s)
Offers services in HARPENDEN
Essex Loft Extensions was founded by a team of experienced local builders with a shared passion for residential constructi...
Verified Pro
Rankins Roofing & Building are a family established business with over 30 years in the building/roofing industry. We pride...
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The Driveway Studio

1 review(s)
Offers services in HARPENDEN
The Driveway Studio Ltd is your local specialist in resin driveways, tarmac, block paving, patio slabs, gravel driveways, ...
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Coastal Prime

0 review(s)
Offers services in HARPENDEN
Coastal Prime Ltd provides expert home insulation services across the UK, helping homeowners enhance energy efficiency and...

Recent Builder Enquiries

09 Mar

House Extensions | Single Storey

Harpenden - AL5

Enquiry from: Aleem K

Start Date: Immediate

two storey rear extension, single storey front and rear extensions, first floor front extension, rendering and alterations to openings, part garage conversion, porch and complete internal redecoration...

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05 Sep

Building Work | Porch

Harpenden - AL5

Enquiry from: Daryl B

Start Date: Immediate

Looking to create a porch area on our terraced property. Porch to contain a small coat rack and boiler. Work needed to completed asap.

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11 Feb

Conversion | Loft

Harpenden - AL5

Enquiry from: Stoycho I

Start Date: Immediate

hello, i am looking for specialists for a shell loft conversion / dorma on a terraced house. the project is based in harpenden. it is a three bedroom house, built in 1960s. the whole loft space is 44...

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03 Dec

Conversion | Loft

Harpenden - AL5

Enquiry from: Michael M

Start Date: Immediate

loft conversion for 12 stewart road *** please arrange site visit and provide proposal are you the property owner: owner of the property property type: semi detached what are you looking to convert t...

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17 Nov

Insulation | Cavity Wall

Harpenden - AL5

Enquiry from: Simon S

Start Date: Immediate

cavity wall insulation in a detached chalet bungalow. are you the property owner: owner of the property property type: detached how many bedrooms do you have: 1-2 property age: 1930-70 are you in a c...

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06 Oct

Driveway Repair

Harpenden - AL5

Enquiry from: Gerard v

Start Date: Immediate

repair of the existing crossover which has been badly damaged during building works.

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26 Jul

House Extensions

Harpenden - AL5

Enquiry from: Rosie D

Start Date: Immediate

*homeowner house extension please call to appoint

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21 Mar

Conversion | Garage

Harpenden - AL5

Enquiry from: Kenny M

Start Date: Immediate

a single garage conversion to a professionally converted standard, ideally with bathroom are you the property owner: relative of owner do you have a: single garage what will the space be used for: li...

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21 Mar

Conversion | Garage

Harpenden - AL5

Enquiry from: Nick A

Start Date: Immediate

adding first floor and flushed windows (front and back) to existing attached garage for office space. currently a void (ie ground floor for parking garage, straight up to roof) are you the property ow...

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16 Dec

Insulation | Loft / Roof

Harpenden - AL5

Enquiry from: Martyn L

Start Date: Immediate

are you the property owner: owner of the property property type: detached how many bedrooms do you have: 3-4 property age: 1970-2000 are you in a conservation area: no are you looking for loft insula...

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15 Dec

Insulation | Cavity Wall

Harpenden - AL5

Enquiry from: Martyn L

Start Date: Immediate

are you the property owner: owner of the property property type: detached how many bedrooms do you have: 3-4 property age: 1970-2000 what is your current source of heating for the renewable incentive...

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01 Oct

Conversion | Garage

Harpenden - AL5

Enquiry from: Christina H

Start Date: Immediate

looking for a quote to convert garage into a home gym. we're already using it as a gym but it's not insulated and needs new gym flooring etc. are you the property owner: owner of the property do you h...

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13 Aug

Conversion | Garage

Harpenden - AL5

Enquiry from: Jane L

Start Date: Immediate

Single garage conversion with no knock through, man hole cover currently in garage is believed to be private property but would need access through any floor laid down over it.

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24 Jan

Building Work | Porch

Harpenden - AL5

Enquiry from: Esra E

Start Date: Immediate

Are you the home owner of that property? YES Are you replacing an existing porch or is this a new build? New Build What material do you require, UPVC? UPVC What colour do you want it to be? White I as...

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18 Apr

New Build | Residential

Harpenden - AL5

Enquiry from: Bob C

Start Date: Immediate

Quote for timber frame house construction please

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10 Apr

Conversion | Loft

Harpenden - AL5

Enquiry from: HENNA J

Start Date: 1 to 3 months

Homeowner Please contact to appoint Are you the property owner: Owner of the property Property Type: Semi detached What are you looking to convert the space into: Bedroom/s Are you looking to have st...

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06 Jun

House Extensions

Harpenden - AL5

Enquiry from: Winston P

Start Date: Immediate

Build above garage to create 4th bedroom + en suite; move current family bathroom and refit; redecorate upstairs Are you the property owner: Owner of the property Property Type: Detached Looking For: ...

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06 Jun

House Extensions | Single Storey

Harpenden - AL5

Enquiry from: Winston P

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: Detached Looking For: Si...

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01 Mar

Conversion | Loft

Harpenden - AL5

Enquiry from: Tim B

Start Date: 1 to 3 months

Existing loft space converted into extra bedroom with en suite Are you the property owner: Owner of the property Property Type: Semi detached What are you looking to convert the space into: Bedroom/s ...

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18 Feb

Building work | Wall Rendering

Harpenden - AL5

Enquiry from: Jes C

Start Date: 1 to 3 months

External rendering to match existing mottled rendering.

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How much do Builder services cost?

How much do Builders cost? Prices for Builders in 2026 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 Harpenden is:

£24,297

Builder job Builder cost in 2026
Garage conversion in Harpenden £9,834-£19,634
Loft conversion in Harpenden £21,875-£41,875
House extensions in Harpenden £29,250-£62,000
Loft insulation in Harpenden £350-£5,345
Upvc or wood porch in Harpenden £2,625-£4,025
Barn conversions in Harpenden £112,500-£172,500
Basement renovation in Harpenden £30,000-£46,000
Bedroom fitting in Harpenden £1,500-£2,300
Bricklayers in Harpenden £300-£460
Cavity wall insulation in Harpenden £325-£5,410
Commercial new builds in Harpenden £105,000-£161,000
Conservatory base in Harpenden £675-£1,035
Building maintenance in Harpenden £1,400-£4,225
Building insurance works in Harpenden £1,400-£4,225
Pebble dashed walls in Harpenden £1,275-£7,100
Plasterboard dry lining in Harpenden £638-£978
Residential new builds in Harpenden £105,000-£161,000
Restoration and refurbishment in Harpenden £37,500-£57,500
Roof insulation in Harpenden £3,875-£10,750
Underpinning in Harpenden £1,400-£4,225
Wall cladding in Harpenden £1,125-£1,725
Wall rendering in Harpenden £3,750-£5,750
Cero insulation in Harpenden £250-£10,000
Insulation scheme (hhrco) in Harpenden £250-£10,000
Demolition in Harpenden £2,440-£3,660
Roof room in Harpenden £15,000-£23,000
Shop refurbishment in Harpenden £3,750-£5,750
Single storey house extension in Harpenden £24,400-£44,934
Soundproofing in Harpenden £575-£25,690
Driveway repair in Harpenden £607-£51,140
Garden room in Harpenden £6,400-£9,600
External wall insulation in Harpenden £3,125-£12,500

Related Builder searches in Harpenden

Builder FAQs

what is a garage conversion?

What is your garage being used for? If your answer is anything besides your vehicle, you’re in the majority in the UK. In the country, according to a research by Admiralty Loans, several home and property owners now use their garage as dumping ground for all sorts of stuffs asides a car. Ultimately, this gives rise to garage conversions as the more or less underutilized space can be converted into a living space which can be more beneficial while also adding more value to the property.

A garage conversion is a fast and relatively affordable route to adding more floor space within your home. It’s basically the act of changing your garage into something other than a storage or a place in which you can park your car. This can be anything from a bedroom to a playroom and anything in between. It’s a great way to provide extra space to allow your family to spread out and have more privacy while still within the walls of your home.

A garage conversion project is a huge one which mostly does not require a planning application so far the conversion is internal. However if you’re planning to increase the garage’s size or change the exterior of your home, or convert your garage into a separate room, then you may require a planning permission before getting started. It’s always wise to consult your local authority before carrying out any work to be on the safer side.

A project of garage conversion’s magnitude is better left to a reliable professional who have the experience when it comes to dealing with building regulations and more. This way, you’d also get to save yourself some headaches and some extra cash which may result from possible costly errors.

how much does a porch cost?

Are you interested in constructing a porch to your property? Estimating the cost of the project before proceeding will solve a lot of possible headaches in the future.

A porch is great place where you can keep your shoes, jackets, dog leads as well as other items to create free space within the property. Apart from this, a porch also serves numerous other purposes to make it a very good structure to have on your property. Not only is it a good means to put a roof over your head when it’s pouring with rain, but also a highly economical way to add floor space to your home. The question, however, how much would it cost to build a porch?

The price of building a porch is based on a wide variety of factors such as the type of materials required, the size of the porch, location of the structure and lots more. As a result, you should note that this guide provide figures that are only a rough guide that’ll put you on the right direction to make informed decisions.

Depending on the type of porch you choose to build, the average cost range from £1,900 to £2,100 for a uPVC porch and up to £10,000 for a lean to porch. There are other types of porch including the traditional porches ( Edwardian and Victorian porches) costing within a range of £2,500 to £8,400.

The materials required also has a great influence in determining the price of a porch. An aluminium porch will cost between £7,5000 to £8,200, while a brick porch will cost slightly less between the range of £2,000 to £8,000. They can both be constructed either as a front porch or as a rear porch, but due to fewer restrictions on aluminium porch, it can be made a lot larger.

What types of work does a builder do?

Any residential building work requires a general builder. The term Residential building work means any work which is involved in building a house or changing or adding to a home. It also comprises of mending, refurbishing, ornamenting or applying shielding treatment to home. A dwelling is defined as a building or a part where people live. This might include an apartment, house or a townhouse.

Here is a list of some of the works that require a building licence:

• construction of a garage, carport or a shed

• renovation for bathroom, kitchen or laundry

• structural landscaping and building swimming pools

• construction of conservatories and atriums

• house lifting for example, raising the height of an existing structure permanently

• removing and resitting dwellings

• steam rooms and saunas.

General building contracts might also involve work that needs a specialist. These works can be appropriately subcontracted. However, this work must be carried out by the container of a permitted contractor licence or competent administrator certificate in that specialist category.

There are a number of different categories of licences that are available depending on whether you want to oversee the work or have an agreement with another party. When you have a contractor licence, you will have the option of submitting a contact to bid on the work. You can only do the categories of work designated on your licence card. Contractor licences can be allotted to people and businesses and partnerships.

With a certificate of a qualified supervisor, you will be able to supervise the type of work specified in the certificate. Such certificates are only issued to individuals and do not allow you to contract for work.

The licence of an endorsed contractor is issued to those individuals who have applied for a contractor licence but also possess the necessary qualifications and experience to become a qualified supervisor.

What are the benefits of cladding or rendering?

The main reason that people use cladding or rendering on their property is the aesthetic benefit. These materials can really boost the appearance of a home. Cladding and rendering can also increase the thermal performance of a property. Speak to a specialist to find out whether your property will benefit.

how to build a garden room?

With homeowners now a lot more unwilling to move or make any costly extensions due to the uncertainty that lies ahead in the property market of the UK, a garden building which represents a cheaper alternative seems to be the best option available. Not only is it one of the most affordable ways to add space to your home while staying within your budget, but it’s also one of the best ways to add immense value to your property as more and more potential home investors are now seeking properties with an outdoor garden room. They’re the perfect investment for those looking to expand their space without having to carry out huge extension projects which normally consumes both time and money.

Garden rooms are best built by professionals to guarantee the best results. However, if you feel confident enough to undertake the project, then this guide will give you an idea of the process.

✓ Build the foundation. Here you can build the foundation using concrete, but in cases whereby there are root systems closeby then you can make use of low impact screw piles.

✓ Start the construction process with timber frame, SIP panels as well as other modular components and materials

✓ Once you’re done with the construction process, the next course of action will be to develop and position the roof structure on to the top of the newly constructed garden room. Here, you can also decide to use sun pipe and solar heating or PV panels. You can also protect the construction from the elements by making use of cedar cladding.

✓ Doors installation. The best type of doors to use here are draught sealed doors which can also be treated hardwood or powder coated aluminium .

✓ Make the finishing touches here and there and make sure all connections are complete.

how much does it cost to repair a driveway?

Is your driveway damaged or starting to show some signs of cracks and gaps? If yes, then you’d probably be thinking of repairing it before it gets even worse. Repairing a driveway is largely an unknown process but also a very tedious task as well. So if you’re looking to hire a professional for help, just how much is the repair going to cost? In this article, we’re going to look at the various factors that can determine the cost of a driveway repair.

In the UK, the average price of repairing a driveway is usually within the range of £1,400 to £1,800, where as the normal price of a driveway repair will range between £700 to £2,400. although some small repairs tasks can be as low as £250, while huge driveway repairs can skyrocket to about £4,200.

However, in general, the overall cost of repair a driveway can not be determined as each driveway is unique with their special repair needs. The factors that can influence the price of a driveway repair includes the material used, the perimeter of the driveway as well as the condition of the foundation. The only factor that’s not unique to any one driveway is the materials used, so let’s take a look at the differences in price using the based on the various types of materials available.

✓ Concrete. The average cost of repairing a concrete driveway is usually between £250 to £3,200. Have it in mind at most times the price of fixing an overly damaged driveway can be more than the cost of buying a new one.

✓ Asphalt. The average cost of repairing an asphalt driveway is usually between £750 to £2,800.

✓ Brick. The average cost of repairing a brick driveway is usually between £700 to £1,700.

✓ Cobblestone. The average cost of repairing a cobblestone driveway is usually between £500 to £1,600.

what is a hip to gable loft conversion?

This is a type of loft conversion that extends your roof on the sloping side. It is a great option to go for especially where a hipped roof effectively makes the usable floor area a lot smaller which can be a tricky affair when it comes to putting in a new staircase. Here, the roof is extended from the current ridge in such a way that it effectively fills the gap between them. As a result, this turns the hip (in a hipped roof) into a gable to create space in your roof for a loft conversion - hence the name “hip to gable.

The new gable can be done in whatever way that suits both your taste as well as your property. You can make the new gable construction in woods and then tiled to match your existing roof while you can also go for other options such as brick block pebbledash or rendering. You are also free to fit in a new window into the loft conversion end so as to allow for natural light into the loft space.

A hip to gable loft conversion is mostly found on both semi detached and end terrace buildings, particularly those constructed in the 1930s. Overall, this type of loft conversion is particularly ideal for homes that features a hipped roof and with a sloping roof at the side of the property. Some detached properties can also possess a hipped roof on the side - and as such, a double hip to gable loft conversion can also be deal as it’ll create more loft space for usage. If your home fits into the bill, then you should be aware that once the project is completed, you’ll have plenty of usable space available to both you and your loved ones.

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!

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