Find a Builder you can trust in Carshalton.

Choose from 239 Builders, all rated by people like you.

Over 328 reviews & an average rating of 4.3/5 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 ProOver 20 Reviews

CRS Contractors

20 review(s)
Offers services in CARSHALTON
we Are a family run business with over 30 years experience built on reputation Our services include all types of roofing...
Verified Pro
Rankins Roofing & Building are a family established business with over 30 years in the building/roofing industry. We pride...
Verified Pro

Loft & Build

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

Osolo

0 review(s)
Offers services in CARSHALTON
Experience the Exceptional We are a reliable building company delivering high-quality workmanship across all aspects of...
Verified Pro

Coastal Prime

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

Recent Builder Enquiries

17 Aug

Conversion | Loft | Roof Room

Carshalton - SM5

Enquiry from: Danielle D

Start Date: Immediate

I’m interested in a velux conversion

Post a similar request >

09 Jul

Driveway Repair

Carshalton - SM5

Enquiry from: Praveen K

Start Date: Immediate

Correct slope of existing tarmac driveway and some areas are worn out and weeds growing needs refilling.

Post a similar request >

20 Jan

Building work | General

Carshalton - SM5

Enquiry from: GILL C

Start Date: 1 to 3 months

customer in carshalton areas is looking to do a couple of projects at the moment, and would like quotes for building maintenance.confirmed interest via email at 20/01/2023 12:02.please call to arrange...

Post a similar request >

11 Apr

Driveway Repair

Carshalton - SM5

Enquiry from: SUNIL K

Start Date: Immediate

need to repair the driveway and also the water gutter ; are you the property owner: owner of the property property type: semi detached what level of service do you require: repair to bricks what type...

Post a similar request >

07 Dec

Insulation | Cavity Wall

Carshalton - SM5

Enquiry from: Roger T

Start Date: Immediate

Cavity wall insulation 1950's detached 3 bed house.

Post a similar request >

14 Oct

Insulation | Cavity Wall

Carshalton - SM5

Enquiry from: Cristina C

Start Date: Immediate

customer has a insulation project they are looking to have done, specially they want quotes for cavity wall insulation. they are unsure of options so would like to discuss with a builder.confirmed int...

Post a similar request >

14 Oct

Insulation | Loft / Roof

Carshalton - SM5

Enquiry from: Cristina C

Start Date: Immediate

fiber loft insulation for a flat are you the property owner: owner of the property how many bedrooms do you have: 1-2 age of property: 1930-70 do you currently have loft insulationn: no are you intere...

Post a similar request >

01 Jan

Conversion | Loft

Carshalton - SM5

Enquiry from: Gwyneth S

Start Date: Immediate

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

Post a similar request >

01 Jan

Building Work | Porch

Carshalton - SM5

Enquiry from: Neeraj B

Start Date: Immediate

porch supply and fitted porch. are you the property owner: owner of the property do you have planning permission: no what material are you looking for: upvc what level of service do you require: suppl...

Post a similar request >

03 Sep

House Extensions | Single Storey

Carshalton - SM5

Enquiry from: Rohit T

Start Date: 1 to 3 months

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: semi detached looking fo...

Post a similar request >

03 Sep

House Extensions | Single Storey

Carshalton - SM5

Enquiry from: Rohit T

Start Date: 1 to 3 months

rear extension 4m length by 5.6 m width side extension 8 m length by 2.23 m width (including removing existing garage and two storey - ground will be new garage, shower room and utility room first flo...

Post a similar request >

15 Aug

Insulation | HHCRO Free

Carshalton - SM5

Enquiry from: Tara M

Start Date: Immediate

Required loaf insulation in my loaf

Post a similar request >

09 Aug

House Extensions

Carshalton - SM5

Enquiry from: Rohit T

Start Date: Immediate

house extension side and rear, l shape extension - side 8m by 2.3m rear 4m by 7.8m with internal finish with plasterboard. property type: semi detached looking for: single storey extension do you hav...

Post a similar request >

25 Feb

House Extensions

Carshalton - SM5

Enquiry from: Laura E

Start Date: Immediate

Small ground floor extension to our kitchen / living space to include small utility room and toilet. Appox. 3x2m. Loft extension to include one bedroom and bathroom. The property is a semi-detached ...

Post a similar request >

25 Feb

House Extensions

Carshalton - SM5

Enquiry from: Laura E

Start Date: Immediate

Small ground floor extension to our kitchen / living space to include small utility room and toilet. Loft extension to include one bedroom and bathroom. The property is a semi-detached house. We wo...

Post a similar request >

06 Jan

Building Work | Porch

Carshalton - SM5

Enquiry from: Smitha S

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? Brick and UPVC What colour do you want it to be? ...

Post a similar request >

21 May

Conversion | Loft

Carshalton - SM5

Enquiry from: Anna H

Start Date: 1 to 3 months

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: We are looki...

Post a similar request >

12 May

Conversion | Loft

Carshalton - SM5

Enquiry from: Jo P

Start Date: Immediate

Home Owner Call to Appoint

Post a similar request >

10 Apr

House Extensions

Carshalton - SM5

Enquiry from: Kevin J

Start Date: Immediate

double side extension, single rear extension.

Post a similar request >

22 Feb

Conversion | Loft

Carshalton - SM5

Enquiry from: Pauline H

Start Date: 1 to 3 months

Loft conversion Velux ordirmer windows 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 ...

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 Carshalton is:

£24,242

Builder job Builder cost in 2026
Garage conversion in Carshalton £9,834-£19,634
Loft conversion in Carshalton £29,688-£64,688
House extensions in Carshalton £32,000-£73,000
Loft insulation in Carshalton £350-£5,345
Upvc or wood porch in Carshalton £2,625-£4,025
Barn conversions in Carshalton £112,500-£172,500
Basement renovation in Carshalton £30,000-£46,000
Bedroom fitting in Carshalton £1,500-£2,300
Bricklayers in Carshalton £300-£460
Cavity wall insulation in Carshalton £325-£5,410
Commercial new builds in Carshalton £105,000-£161,000
Conservatory base in Carshalton £675-£1,035
Building maintenance in Carshalton £1,400-£4,225
Building insurance works in Carshalton £1,400-£4,225
Pebble dashed walls in Carshalton £1,275-£7,100
Plasterboard dry lining in Carshalton £638-£978
Residential new builds in Carshalton £105,000-£161,000
Restoration and refurbishment in Carshalton £37,500-£57,500
Roof insulation in Carshalton £3,875-£10,750
Underpinning in Carshalton £1,400-£4,225
Wall cladding in Carshalton £1,125-£1,725
Wall rendering in Carshalton £3,750-£5,750
Cero insulation in Carshalton £250-£10,000
Insulation scheme (hhrco) in Carshalton £250-£10,000
Demolition in Carshalton £2,440-£3,660
Roof room in Carshalton £15,000-£23,000
Shop refurbishment in Carshalton £3,750-£5,750
Single storey house extension in Carshalton £24,400-£44,934
Soundproofing in Carshalton £575-£25,690
Driveway repair in Carshalton £1,520-£2,280
Garden room in Carshalton £6,400-£9,600
External wall insulation in Carshalton £3,125-£12,500

Related Builder searches in Carshalton

Builder FAQs

do fitted wardrobes add value to your home?

The short and simple answer is yes, fitted wardrobes add value to any home or property. Owning a home is mostly the single most expensive asset that a person can possess. And as a result, your home is a very special asset that you’d want to make conducive and maintain to the best of your ability. To retain the value of your home or even add to it, you have to learn how to maximize its potentials using different means. In the UK, a big issue for most households is usually the lack of storage space and most especially, the quickly shaped bedrooms which is really affected with storage problems. It almost always seems like there isn’t enough space to keep our clothes as well as the never-ending portfolio of accessories, devices and gadgets. Therefore, an extra or excess usable room inside a home is always a premium.

In other words maximizing the space you have, especially the unused ones, is a great way to add value to your property. Custom made fitted wardrobes are a great means to making the most out of the space within your home and are also designed to last for several years. Unlike the freestanding wardrobes, modern and fitted wardrobes are not only visually appealing, but they’re also customizable to fully maximize every inch of space within the room. As a result, they’re the ideal solution especially for loft rooms where the bedroom may be slope or oddly shaped to make the best out of the space available.

Potential investors are always eager to invest in homes with enough space that are well maximized. Therefore, a fitted wardrobe will not only help you create a better demand for your home at the point of selling, but it’ll also go a long to increase its value in so many ways.

what is a garden room?

Over the years, garden rooms have gradually become a popular choice amongst homeowners as a cost effective way of expanding living space within a home or property. A garden room is basically a living space and a type of pavilion building made from wood that’s well insulated, double glazed as well as electrically wired. It’s however a building which is subsidiary to the main one, built with the purpose of creating an extra functional space within the property. These garden outbuildings are very functional and can be used as a garden studio, office, salon and much more. They can also be incorporated for recreational purposes for evening relaxations, family and friends get-together, lounge or even spa. Other possible uses of a garden room include gyms, pool houses, playrooms, dens, home cinemas and game rooms.

Garden rooms are functional living spaces that are usable throughout the year. And with the rate at which their popularity is growing, you’ll find some companies offering cheap and low quality alternatives featuring shed like construction and felt roof. Garden rooms, on the other hand, are a valuable investment with superior designs and top notch build. They’re constructed in a very similar way to houses with timber frames. Furthermore, they are fully insulated and can also include the normal building solutions such as heating and running water, electricity and many more depending on the requirements of the home or property owner. With the durability of garden rooms being a major objective, they’re typically clad in natural solid timber like Cedar, Larch or Acacia. Materials such as EPDM rubber or cedar shingles are normally used for the roof covering. What’s more? They usually have large expanses of glazing and glazed doors fitted.

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.

Will I need planning permission or building regulations approval?

You may need planning permission if you are planning a larger extension. All extensions will need building regulations approval. An architect can assist with this and if planning permission is required. A reputable contractor will also be able to advise you if this is needed as well.

Will insulation save me money on my energy bills?

This depends on the amount of insulation already present in your property. However, adding insulation has been proven to improve the energy efficiency of your home and decrease your heating bills, this is more obvious in older properties or where single glazing is still in situ.

how much is loft insulation?

More often than not, several homeowners fail to realize there’s so much value sitting right under their roof - the loft. When a loft is insulated, there are so many juicy benefits that can be derived. It can go a long way to save increase you energy savings and several more functions. Therefore, if you really wish to maximize the space under your home’s roof, you’d have to considering insulating it. So how much would it cost to have your loft insulated? Here, you’ll discover the cost of insulating your lofts so you that you can set a budget and start to plan.

 

The cost of insulating a loft is actually affordable for several individuals, however, this depends on a wide range of factors such as the size of the house as well as the type of insulation being installed. One significant factor is the insulating material that you choose to install. If done properly, you’d be able to prevent heat from escaping through the roof of the house which helps improve energy efficiency and ultimately, save you some money on heating bills.

 

If you’d prefer to make it a DIY project and you go for a blanket insulation it costs about £5 per m2. therefore, this will cost within the range of £100 to about £150 for a small home.

 

For a professional service, you’ll be provided with a quote for both the materials and labour. The amount will be based on the number of insulation required, the company hired, your location as well as the method selected. The price to purchase and install blanket insulation  would be between the range of £300 to £400 depending on the size of your home.

how to repair rendering on wall?

Did you try rendering a wall but it doesn’t turn out the way you would have hoped for? Or perhaps you’ve been watching your wall render gradually deteriorate over time. Regard of your purpose, learning how to repair render cracks on wall is usually a great skill to have with your home maintenance in mind. However, whenever these crack are too large or difficult, we’d recommend you call in a reliable professional who can guarantee the best results for help. In this guide, we’re going to take you through the wall render repairing process. Let’s have a look!

No matter how solid a building material is, over time it’ll yield to the elements. When it comes to wall rendering it may be a case of too much sunshine or a costly mistake in the application process, but in truth, it cracks just because it cracks.

In order to repair render cracks, you’d have to start with a removal of damaged or cracked render. You’ll have to remove all the render or just a small section depending on the area you’re working on. If you’re able to clean all of the existing render as well as the paint over it all (both old and new), then removing a small section would work better as it makes it look neat and redone. Upon the removal of the existing render, the next important step would be to remove all loose material as well. Once done, you can then leave for up to 2 days to allow any trapped moisture to come out. Unfortunately, if the rains you’d have to wait till that dries too before you proceed.

Once dried, you can buy a pre-prepared render mix which already contains cement, lime and sand. Mix a 20kg bag with 4 litres of water (or check the product instructions and follow strictly), the mix to a fine consistency. Render is quick to dry, so you’d want to apply within 30 minutes of mixing. Make use of a trowel to apply the render on the affected spots and blend with the surrounding area.

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.

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 Carshalton.

Pick the right pro for you

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

Are you a Builder in Carshalton?

View our open Builder jobs near you

Join today
View Shortlist