Find a Builder you can trust in Cwmbran.

Choose from 64 Builders, all rated by people like you.

Over 27 reviews & an average rating of 4.7/5 stars, you'll find the right pro

Choose and shortlist

Use the shortlist button to select up to 4 tradespeople, enter your project details and press send

or

Keen to get on with the job?

Get up to 4 quotes from local Builders near you

View Shortlist
Verified Pro

Alexander Constructors

0 review(s)
Offers services in CWMBRAN
South Wales, Penarth based design and build contractor. Projects completed include new houses, extensions, kitchens, bathr...
Verified Pro
Hi im steve from premier roofing and building At premier roofing and building we strive for a 100% good feedback. a local ...
Verified Pro

J&D Home Improvements

1 review(s)
Offers services in CWMBRAN
Hi at j&D home improvements we take pride in our work to make satisfied customers All work in fully guaranteed Ful...
Verified Pro
When it comes to your roof, you need a partner you can trust. Discover what makes RS Roofing Services no1 Limited the pref...
Verified Pro
Betterview Landscaping & Patios have been providing driveways, lock paving, tarmac and hard landscaping services acros...

Recent Builder Enquiries

20 Oct

Bedroom | Fitted Wardrobe

Cwmbran - NP44

Enquiry from: Jandia M

Start Date: Immediate

I need a 3-4 doors fitted in wardrobe

Post a similar request >

24 Jan

Conversion | Loft

Cwmbran - NP44

Enquiry from: Ronald J

Start Date: Immediate

are you the property owner: owner of the property property type: detached what are you looking to convert the space into: living space are you looking to have stairs: yes do you require any windows: ...

Post a similar request >

02 Jan

Bedroom | Fitted Wardrobe

Cwmbran - NP44

Enquiry from: Mary W

Start Date: Immediate

Need someone to dismantle and rebuild in different house

Post a similar request >

26 Nov

Conversion | Loft

Cwmbran - NP44

Enquiry from: Ammie W

Start Date: Immediate

Converting loft to bedroom

Post a similar request >

20 Aug

Building Work | Porch

Cwmbran - NP44

Enquiry from: Emma W

Start Date: Immediate

porch repairs, signs of movement. are you the property owner: owner of the property property type: terrace looking for: porch do you have planning permission: yes do you have plans drawn up: no do you...

Post a similar request >

12 Feb

Building Work | Porch

Cwmbran - NP44

Enquiry from: Rebekah B

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? - I assume...

Post a similar request >

21 Jan

Building work | General

Cwmbran - NP44

Enquiry from: Paul G

Start Date: Immediate

Extend existing dropped kerb (Vehicular footway crossing)

Post a similar request >

23 Oct

Building work | General

Cwmbran - NP44

Enquiry from: Colin S

Start Date: Immediate

I have planing permission to extend my drop kerb and was afer a quote for the work...

Post a similar request >

19 Apr

Building work | Wall Cladding

Cwmbran - NP44

Enquiry from: Jamila F

Start Date: Immediate

Cladding front and back of house

Post a similar request >

02 Mar

Building work | General

Cwmbran - NP44

Enquiry from: Cate C

Start Date: Immediate

Replacement carport roof needed. Wooden beams and and new sheeting needed

Post a similar request >

11 Jan

Building Work | Porch

Cwmbran - NP44

Enquiry from: Jamie H

Start Date: Immediate

We're looking for a quote for a new porch. Currently our house has a tiny porch (about a metre squared) between the internal front door and the external one, which is where the meters are. We want t...

Post a similar request >

28 Nov

Building Work | Porch

Cwmbran - NP44

Enquiry from: Mark C

Start Date: Immediate

i need my old pourch removed and hopefully have a new one put back are you the property owner: owner of the property do you have planning permission: yes what material are you looking for: wood what ...

Post a similar request >

13 Jul

Building work | Bricklaying

Cwmbran - NP44

Enquiry from: Philip P

Start Date: 1 to 3 months

door from garage to house. partition wall taken down. fitted wardrobe built. kitchen fitted. are you the property owner: owner of the property property type: semi detached what type of work do you nee...

Post a similar request >

19 May

Conversion | Loft

Cwmbran - NP44

Enquiry from: Kelly B

Start Date: Immediate

good morning we are looking to insulate and get a new hatch and ladder maybe stairs for our attic. we are also looking to extend downstairs and a new bathroom upstairs which would involve knocking in...

Post a similar request >

17 May

New Build | Residential

Cwmbran - NP44

Enquiry from: Alan A

Start Date: 1 to 3 months

customer made an online enquiry for new build homes and confirmed on email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote. are you the property ...

Post a similar request >

09 Mar

Building Work | Porch

Cwmbran - NP44

Enquiry from: David P

Start Date: Immediate

call anytime. new build or replacement: new build quote requested on a porch, in pvcu, to be supplied and fitted. are you the property owner: owner of the property do you have planning permission...

Post a similar request >

01 Feb

Building work | General

Cwmbran - NP44

Enquiry from: Darren H

Start Date: Immediate

Pebble dashing on the front of the house

Post a similar request >

26 Jan

Building Work | Porch

Cwmbran - NP44

Enquiry from: J M

Start Date: Immediate

Call anytime New build or replacement: New build Quote requested on a porch, in PVCu, to be supplied and fitted.

Post a similar request >

06 Nov

Building work | General

Cwmbran - NP44

Enquiry from: Andrew E

Start Date: Immediate

Small greenhouse 6 x 8 ish. Will be used to over Winter hobby Bonsai trees and various seedling trays etc. Can you do a hard standing for it as well?

Post a similar request >

16 Nov

Building Work | Porch

Cwmbran - NP44

Enquiry from: Cerys J

Start Date: Immediate

UPVC Porch at front of house

Post a similar request >

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 Cwmbran is:

£23,840

Builder job Builder cost in 2026
Garage conversion in Cwmbran £4,500-£6,900
Loft conversion in Cwmbran £18,750-£28,750
House extensions in Cwmbran £42,000-£68,000
Loft insulation in Cwmbran £450-£690
Upvc or wood porch in Cwmbran £2,625-£4,025
Barn conversions in Cwmbran £112,500-£172,500
Basement renovation in Cwmbran £30,000-£46,000
Bedroom fitting in Cwmbran £1,500-£2,300
Bricklayers in Cwmbran £300-£460
Cavity wall insulation in Cwmbran £400-£820
Commercial new builds in Cwmbran £105,000-£161,000
Conservatory base in Cwmbran £675-£1,035
Building maintenance in Cwmbran £2,250-£3,450
Building insurance works in Cwmbran £2,250-£3,450
Pebble dashed walls in Cwmbran £2,000-£9,200
Plasterboard dry lining in Cwmbran £638-£978
Residential new builds in Cwmbran £105,000-£161,000
Restoration and refurbishment in Cwmbran £37,500-£57,500
Roof insulation in Cwmbran £7,500-£11,500
Underpinning in Cwmbran £2,250-£3,450
Wall cladding in Cwmbran £1,125-£1,725
Wall rendering in Cwmbran £3,750-£5,750
Demolition in Cwmbran £2,440-£3,660
Roof room in Cwmbran £15,000-£23,000
Shop refurbishment in Cwmbran £3,750-£5,750
Single storey house extension in Cwmbran £23,200-£34,800
Soundproofing in Cwmbran £900-£1,380
Driveway repair in Cwmbran £1,520-£2,280
Garden room in Cwmbran £6,400-£9,600
External wall insulation in Cwmbran £6,000-£15,000

Related Builder searches in Cwmbran

Builder FAQs

does a single storey extension add value to your house?

Does A Single Storey Extension Add Value To Your House?

When you’re looking to construct a single storey extension or perhaps you’re just searching for means to increase the value of your property, this question always pops up. The short and simple answer to this question is a resounding yes, a single storey extension can go a long way to increase the value of your property. Just like any other home improvement, when done right, adding a little extra living space is one of the top things you can probably think of that’ll provide a cool increase in your property’s value. However, before you rush in you must also take note of some factors so you can be certain a single storey extension is the right option for you. These factors include the quality of the build, complexity of the build, cost of the build versus the value gain, ceiling price in the area, finance costs as well as the inconveniences and stress.

Generally, the average cost of a single storey extension can range from £34,000 to £37,000. For this price, you should get a standard sized rear or side extension which also includes the cost of a kitchen - it’s the most commonly use for a single story extension especially in the UK. So it’s important to know the value they’ll add to your house before deciding to make such an investment.

The value added to your property will depend largely on the quality and size of your single storey extension. The value is usually calculated by estate agents using the number of bedrooms, bathrooms as well as the floor area. Inside London, it’ll typically be priced at £5,000 to £10,000 per square metre, while outside London should be within the range of £900 to £2,000 per square metre.

How to fit plasterboard?

How To Fit Plasterboard

If you’re planning to renovate your house, then here is a must-read guide! Fitting of plasterboard is a crucial step when it comes to renovation. If you’re bringing down an existing lath and plaster for an upgraded surface or adding a new wall, a plasterboard is required for your project to be a true success. If you’re a novice with no prior practice or experience, you can protect your investment by hiring the services of a professional plasterer to guarantee the best results, the first time. However, we’ve put together this guide to give you an insight on how the plasterboard fitting process is done.

To get started, you’ll need a power drill, hammer, plasterboard nails or screws, broad knife, utility knife, measurement tape, pencil, ladder as well as a joint tape.

Before proceeding, you need to identify the number of plasterboard sheets needed to commence the project by measuring the height and width of the wall as well as calculating the square footage. If you possess a stud timber wall, the steps below will get you the best results.

• Measure the walls and mark the plasterboard where you’ll make the cuts. Start with a full sheet and cut pieces down in such a way that would fit

• Score the front paper of the plasterboard with utility knife. Fold the sheet to get a clean cut through the board and make use of the knife to the remaining paper.

• Place the first sheet against the wall and use an offcut to prevent the plasterboard from touch the floor.

• Make the plasterboard rest snugly against the wall in position and screw it firmly on each stud. Once done, fasten it at all the sheets’ edges and in a line down the stud to make for a firm connection. Follow the same process for the remaining plasterboard sheet till the wall is fully covered.

how much is a ground floor extension?

Generally, extensions can be a very tricky undertaking - where it can be quite difficult to have a clear comprehension of the rules, regulations as well as costs. Therefore before you rush in to kick start your ground floor extension project, it’ll be wise to get a good grip on the cost. In this article, we’re going to give you a rough estimate of the cost of a ground floor extension. Let’s take a look!

Just like several other home improvement projects, the cost of constructing a ground floor extension is based on a number of things which includes the size, materials used, your location, the quality of the tradesmen or company hired and lots more. For instance, if you happen to reside in London, the cost of your ground floor extension is going to be a lot higher than the other regions.

The single cost of a ground floor extension should fall within the range of £1,500 per square metre to about £2,000 per square metre. However, if you happen to live in London or the South East, this price can reach up to £1,900 per square metre to about £2,400 per square metre. These prices are for good quality ground floor extensions only. Basic or low quality extensions would naturally cost less while superior quality extension will cost more.

Now looking at the size of the ground floor extension, if you’re looking for a size of about 5m x 5m, you can expect to pay a price within the range of £32,000 to about £36,000. And as usual, in London or the South East, this price can reach up to £50,000 or even more. And that’s just for constructing the extension. If the other relevant costs like the 10 percent to 15 percent professional fees for the architect, planning application (if needed), building regulations and more, the price goes up.

how does loft insulation work?

A lot of an uninsulated property’s heat is lost through the roof and that’s even more alarming, when you realize this figure is up to a quarter of the total heat of the house. Hence, the tremendous importance of preventing this heat loss through loft insulation which will go a long way to help you against spending unnecessary thousands of pounds on heating bill as well as energy loss.

 

Loft insulation is an effective method to achieve the desired result, however the question is, how exactly does it work? Well, it’s time to find out!

 

Using either a fireplace or central heating to heat up your home, a large quantity of that heat would be lost through the roof of your home. Generally, heat rises and when it does, there’s simply no way to prevent it - it’s just science. Escaping by both the conduction and convection methods via your roof, the heat escaping through your ceiling, into the loft space and out into the open air outside can only be significantly reduced by laying loft insulation.

 

Generally, the added layer of insulation works by trapping the heat inside the room below the loft so as to enable the air within your house to stay warmer for longer. What’s more? The layer of insulation also keeps cold air from the outside from entering your home. As a result, you don’t have to heat your home as much in order to achieve the same temperature for each individual room. Over time, just by doing this you can potentially save hundreds pounds. Getting it installed in your home may actually seem a bit expensive at first, but it’s something that’ll eventually pay off.

how much is a single garage conversion?

Converting your garage into a habitable room can be an option that’s too good to pass up especially when you’re in dire need of more living space in your home. If you’re in a similar situation and considering the cost of a single garage conversion in your home, then you’ve come to the right place! The fact is, the cost of a single garage conversion is dependent on a number of influencing factors which includes your specific plans as well as your location. Generally, the price of garage remodel is expected to cost about half of what you’ll incur when building a home extension or addition from scratch. However, before commencing a project of this magnitude you should put into consideration some things.

A single garage conversion is a huge job which typically involves wall insulation, floor raising, heating addition, cool and ventilation as well as updating doors and windows. Before you get started you should consider if converting your single garage into a room is a good option, whether a permit is required to convert a garage, the type of room a garage can become, does it add value to your home and how much its going to cost.

Just like any other home improvement project, garage conversion cost varies depending on several factors like your garage space specifications. Other factors include the general condition of your garage - the condition of your foundation, walls, floors or roofs, the ceiling and more, planning applications, your location, the services of a structural engineer, internal or external garages etc. According to Santander, the average cost of converting a single garage costs approximately £6,300. However, considering the aforementioned influencing factors we’d expect the cost of a single garage conversion to cost within the range of £5,500 to £10,500.

How can I find a builder in my area?

Finding a builder nearby can have enormous assistance when it comes to your build. Period on site, their familiarity of local planning permission, constructors’ dealers and other local trades are all vital bits of knowledge that you’ll welcome on site.

It is always wise to walk around in your local area or drive to a site where any construction work is going on. It’ll give you a proper impression of the constructors who are active nearby. You don’t have to like their style of work or the project they are currently carrying out – after all, a builder can only produce what’s on the plans in front of them.

Find a Builder Other Tradesmen Recommend

If you’ve had to call an electrician before or a local plumber and liked their work, you can always ask them if they have any builders whom they would recommend. Maximum tradesmen get used to seeing the similar acquainted names from one place to another in the sites they are working on and every so often has favourites for who they like to work with — and who they see as a good source of work.

Always Talk to Previous Customers

Once you’ve found a builder you would like to work with, ask them for a list of previous customers they have worked with; they ought to be glad to offer particulars if they’re self-assured they’ve done an effective job.

Look for a builder online

A decent place to start looking for builders online is on sites like the ours so that you can find quality tradespeople and see genuine reviews from previous customers. Not all online review sites can be trusted to display real reviews.

How to find a builder to refurbish my house?

After making the decision to refurbish your home or property, the next obvious step is finding the right builder to get the job done. The process of getting a good and reliable builder can be a very tricky one especially when you don’t plan ahead. And in truth, the outcome of your house refurbishment project can only be as good as the contractor your hire. Consequently, finding the perfect builder for your task should be a top priority to get the best return on investment. Here are a few sources that will put you in the right direction to finding a reliable home refurbishment company.

✓ Friends, Relatives & Neighbours

If you have a friend, relative or neighbour that have recently completed a home refurbishment project, you can go for a visit to check out the work done. If you’re pleased with the work, you can proceed to ask about the work ethics of the builder and get the contact if satisfied.

✓ Internet

With the rapid rise of online technology, there’s hardly a service you can’t find on the internet. Websites like HomeAdvisor have been helping people find their desired service providers with relative ease for so long. To get the right building contractor online, it’s advisable to check reviews as well as testimonials before moving forward. Nowadays, you’re most likely going to find so many positive online reviews as some businesses now go to the extent of dubiously writing good reviews for their companies. As a result, it’s recommended to pay closer attention to the negative reviews and check if it’s something you can cope with before hiring a contractor.

✓ Store Contact Lists

You’ll discover a long list of building contractors on several stores trading building materials. These builders may not be affiliated with the store owners, but many stores see it as their responsibility to point you in the right direction so that the building materials acquired from them can be put to good use.

how disruptive is a loft conversion?

Asides the questions relating to planning permission of a loft conversion as well as the total cost of completing a loft conversion project, this is perhaps the most common question on the loft conversion subject matter. Before making an investment decision, many homeowners will want to know just how disruptive a loft conversion is. Well, we’ve all heard the several horror stories when loft conversion builder with dirty boots tramples all over the fresh and just-acquired shag pile or the noise of the construction loud enough to annoy neighbours from four blocks away or an obvious shortage of teabags, sugar and lots more. Good news is, the disruption of loft conversion is not as bad as people make out. Let’s have a look at how it works!

Just like all other major building projects, a loft conversion is disruptive to your property. However, no two loft conversions are the same, therefore some are certain to be more drastic and invasive than others. In the long run, the project is worth the stress and inconveniences caused and in most cases, it’s usually a very good investment.

Normally, an average loft conversion is expected to last for about 9 to 12 weeks (depending on the complexity of the loft conversion project some might take longer). Some of the factors that affects the duration of a project includes the type of the loft, the design of the loft as well as the style of the property.

Generally, a loft conversion is a lot less disruptive than say completely moving a home. It all has to do with how you’re able to deal with it as a person. And besides, the effect it’s going to have to a large extent depends on the company you hire. A good company will always look to ensure to keep disruptions to a minimal when carrying out the loft conversion project.

Builder help and advice

How it works

Tell us about your Builder project

Answer a few quick questions to help us match you with the right Builder

Get up to 4 free quotes

Receive no-obligation quotes from 4 Builders working in Cwmbran.

Pick the right pro for you

Compare prices, customer reviews and services, and hire the right Builder.

Are you a Builder in Cwmbran?

View our open Builder jobs near you

Join today
View Shortlist