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Verified ProOver 20 Reviews

CRS Contractors

20 review(s)
Offers services in WESTMINSTER
we Are a family run business with over 30 years experience built on reputation Our services include all types of roofing...
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Rankin’s Roofing & Building

3 review(s)
Offers services in WESTMINSTER
Rankins Roofing & Building are a family established business with over 30 years in the building/roofing industry. We pride...
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Loft & Build

0 review(s)
Offers services in WESTMINSTER
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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Osolo

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

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

Recent Builder Enquiries

17 Jul

Building work | Wall Rendering

London - W5

Enquiry from: Julie A

Start Date: Immediate

Front wall rendering/maybe new front wall

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12 Jun

Building work | Bricklaying

London - SW15

Enquiry from: Jackie C

Start Date: Immediate

We have a small brick post that needs to be replaced on top of a wall.

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25 May

Insulation | External Wall

London - W5

Enquiry from: Kaushik G

Start Date: Immediate

require quote for front wall ground and first floor external insulation asap if possible using govt grant are you the property owner: owner of the property property type: terrace property age: 1930-7...

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19 May

Building work | General

London - SW12

Enquiry from: Gillian P

Start Date: Immediate

Pointing to front of Victorian Terrace house and brick replaced/ rebuilt as crumbling away .

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28 Mar

Insulation | Loft / Roof

London - SW19

Enquiry from: Bishara P

Start Date: Immediate

To open access and insulate the back addition On first floor as drafts comes through the down lights. Access and insulation was present. But on renovation access was plastered

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08 Mar

Insulation | Loft / Roof

London - SW19

Enquiry from: Bishara P

Start Date: Immediate

To open access and insulate the back addition On first floor as drafts comes through the down lights. Access and insulation was present. But on renovation access was plastered

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26 Feb

Insulation | Cavity Wall

London - SW1X

Enquiry from: Michael I

Start Date: Immediate

Looking for cavity wall insulation

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15 Feb

Driveway Repair

London - SW16

Enquiry from: Sanjay P

Start Date: Immediate

Certain parts *** driveway needs level lingerie up as they have dipped and collecting pools of water

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08 Feb

Driveway Repair

London - NW11

Enquiry from: Becky B

Start Date: Immediate

repair leaky pavement/garden wall repairs/ fascia soffits & other internal works eg damp round a bedroom window

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15 Jan

Building work | Sound Proofing

London - SW16

Enquiry from: TIM C

Start Date: Immediate

I’m looking for a professional soundproofing solution for a flat in a Victorian terraced property in South London. Issue: I’m experiencing clearly audible vocal noise (speech/raised voices) from...

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03 Jan

Driveway Repair

London - NW8

Enquiry from: Amit S

Start Date: Immediate

Patches repaired tar and chip

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16 Oct

House Extensions

London - SW6

Enquiry from: Victor I

Start Date: Immediate

Customer made enquiry for House Extension quotes online. Confirmed interest via phone at 20:30 Homeowner lives in London area. Please call to arrange appointment

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13 Oct

Driveway Repair

London - SW13

Enquiry from: Joel K

Start Date: Immediate

repair windows on ground floor flat in london sw13 are you the property owner: owner of the property property type: other

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12 Oct

Conversion | Loft

London - W3

Enquiry from: Ozzie R

Start Date: Immediate

Customer in London area made an enquiry for Loft Conversion online. Confirmed via SMS at 00:15 Confirmed via phone at 00:16 Please call to arrange an appointment to discuss options

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06 Oct

House Extensions

London - NW9

Enquiry from: Ekrem M

Start Date: Immediate

Customer is looking for quotes for House Extension from pros around London. Please call to arrange appointment to discuss

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30 Sep

Building Work | Porch

London - NW9

Enquiry from: Kailash H

Start Date: Immediate

Hi, I'm looking to get some exterior work done at my property, including building a porch. I'd like to discuss options and get a quote.

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22 Aug

Building work | Shop Refurb

London - SW10

Enquiry from: Holly M

Start Date: Immediate

Builder to replace all floor and walls in my butcher’s shop. Need hard wearing, waterproof lining everywhere in back areas. Full rip up and replace without changing design or structure.

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11 Aug

Interior work | Stud Walls

London - SW8

Enquiry from: Saba K

Start Date: Immediate

I'm looking to install a non-permanent or semi-permanent partition wall in my one-bedroom flat in London to create a second bedroom space. Here are the details: Wall size: approx. 2 metres x 4 metre...

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08 Aug

Building work | Wall Rendering

London - SW19

Enquiry from: Lynne H

Start Date: Immediate

the upstairs front of the house (end terrace) has been rendered and i am after a quote to have this removed by a specialist render removal company. the rest of the terrace is georgian brickwork and t...

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04 Jul

Building work | General

London - NW6

Enquiry from: Luca S

Start Date: Immediate

Replacement of existing roof covering, installation of weather membrane and insulation of the roof.

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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 Westminster is:

£25,675

Builder job Builder cost in 2026
Garage conversion in Westminster £9,834-£19,634
Loft conversion in Westminster £29,688-£64,688
House extensions in Westminster £34,572-£91,143
Loft insulation in Westminster £350-£5,345
Upvc or wood porch in Westminster £2,625-£4,025
Barn conversions in Westminster £112,500-£172,500
Basement renovation in Westminster £30,000-£46,000
Bedroom fitting in Westminster £1,500-£2,300
Bricklayers in Westminster £300-£460
Cavity wall insulation in Westminster £325-£5,410
Commercial new builds in Westminster £105,000-£161,000
Conservatory base in Westminster £675-£1,035
Building maintenance in Westminster £1,400-£4,225
Building insurance works in Westminster £1,400-£4,225
Pebble dashed walls in Westminster £1,275-£7,100
Plasterboard dry lining in Westminster £638-£978
Residential new builds in Westminster £105,000-£161,000
Restoration and refurbishment in Westminster £37,500-£57,500
Roof insulation in Westminster £3,875-£10,750
Underpinning in Westminster £1,400-£4,225
Wall cladding in Westminster £1,125-£1,725
Wall rendering in Westminster £3,750-£5,750
Cero insulation in Westminster £250-£10,000
Insulation scheme (hhrco) in Westminster £250-£10,000
Demolition in Westminster £2,440-£3,660
Roof room in Westminster £15,000-£23,000
Shop refurbishment in Westminster £3,750-£5,750
Single storey house extension in Westminster £30,800-£61,200
Soundproofing in Westminster £575-£25,690
Driveway repair in Westminster £607-£51,140
Garden room in Westminster £6,400-£9,600
External wall insulation in Westminster £3,125-£12,500

Related Builder searches in Westminster

Builder FAQs

how much value does a garage conversion add?

It’s a fact that a garage conversion can go a long way to add a resale value to a home or property. Therefore, in the event whereby your home already has parking facilities in place you can put into consideration converting your garage into a habitable space which will add to the sales price of the house by adding an extra room or increasing the floor space. So exactly how much does a garage conversion add to your home’s resale value?

Garage conversions can be seen as a cost effective means of adding more space to your house. However, not only does it add space, but can also add up to 20 percent to the value of your home. It’s also a way of adding an extra living space to your home that’s not under strict planning complication unlike the alternatives. Generally, if your garage happens to be connected to your house, the cost of converting it to another room should between £10,000 to £20,000. As a home owner, converting your garage into an extra room can help increase the value of your home by up to £45,000. And if you’re to comply with the set rules under permitted development rights, you may not even require to submit a planning application.

In the event whereby your garage is detached from your house or perhaps you live in a flat ( or maisonette) or a listed building , you’ll need to apply to the local authority before commencing your project. It’s always wise to check if there aren’t any planning conditions attached to your home or property.

what is a dormer loft conversion?

A dormer loft conversion is a type of loft conversion that’s built making use of a roof’s existing slope. In other words, it’s an existing roof’s extension which is constructed in such a way that allows for an additional floor as well as head room especially suitable for lofts lacking good amount of usable space. The dormer loft conversion is simply an addition to the existing roof looking much like a box-like build constructed onto a pitched roof as it creates walls that are vertical to the slope while also being 90 degrees to the floor.

This type of loft conversion is the most common amongst homeowners in the UK mainly because it represents a cost effective means through which you can add an additional usable space to your home or property. The structure extends for the slope of the existing roof and can easily be altered to suit various tastes or styles. Furthermore, if you’re looking for a type of loft conversion that aids to foster reduced disruption to work, then dormer loft conversion is also your best bet. This is due to the fact that the structure is built from a scaffolding made outside a home.

There are different types of dormer loft conversion and the one which will best suit your property will depend on the property type, be it detached, semi detached or terraced as well as the existing roof shape and size. The dormer loft conversion is a popular choice for a lot of homeowners for a variety of reasons. Let’s have a look!

✓ It’s very cost effective

✓ The dormer loft conversion does not require planning permission so far it complies with certain conditions and limitations

✓ It adds an extra headspace as well as floor space.

Will the company deal with the building control application?

Most companies will make the building control application on your behalf and ensure that all the work is completed to the right standards. When a building inspector has inspected it, you’ll get a certificate. It usually takes around 6-8 weeks after completion to come.

how long does a loft conversion take?

If you’re about to carry out a loft conversion project, you’d probably be wondering how long it’ll take to complete the task. Well, you’re not alone! This is one of the most common questions when it comes to loft conversion projects, however, providing a set timeframe for completion of such projects is impossible as all loft conversions vary. There are different factors that can determine the duration of your project. These factors include, the materials to be used, the type of the proposed loft conversion, the kind of staircase you’ll like to have installed, the number of windows included, the number of rooms to be added as well as a number of other influencing factors. As a result of these variables, the milestones and timings provided are only to be taken as guidelines. If you’d really like to have a set date, you can get in touch with a professional for help.

Generally, it’ll take up to 8 weeks to complete a loft conversion project.

✓ The first week activities will include putting up scaffolding, receiving the first materials for the build and creating an opening in the roof to gain access to the loft space.

✓ In the second week, the structure of the roof will be ammended and more support added.

✓ Third week, the floor joists will be fitted, building of the loft conversion will start, completion of the external roof works and commencement of plumbing and electric works.

✓ Fourth week, complete the building, construct the loft floor, fit the roof windows, insulation, ventilation and internal stud walls.

✓ Fifth week, apply plaster and plasterboard to the room walls, create a staircase opening and fit the new staircase.

✓ Sixth week, plaster the staircase area, complete plumbing and electrical works, hang the doors, fit skirting, handrails and bannisters and start decoration.

✓ Seventh week, complete the decoration and clean and wipe out all wastes.

✓ Eight week, complete all the remaining tasks.

How to convert a basement into living space?

The best way to go about converting a basement depends on its current condition and what you’d like to use it for.

If you’re happy with its size and structure, and just want to turn it into useful storage space, then your project shouldn’t be too complicated. You’ll simply need to make sure it’s damp proof and waterproof – either by fitting tanking or a cavity drain membrane with a sump and pump. You may also need to invest in new flooring, fit basic lighting, and plaster and paint the walls and ceiling.

If you’d like to turn your basement into living space, then you’ll need to think about ventilation, insulation and heating. If this involves creating a kitchen or bathroom, you’ll also need to incorporate plumbing.

If you want to extend your basement, add lightwells, or fit windows and a sunken garden, this makes things much more complicated. You’ll probably want to hire an architect or basement conversion building specialist to help you with the design and planning, and you’ll need a structural engineer to help you ensure your property is sufficiently supported.

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 to get free external wall insulation?

This is a very great opportunity to not only get free external wall insulation, but also cut down your energy bills depending on the type of property you live in. Generally, to enjoy free external wall insulation you must at least be part of the group receiving one of the benefits listed below and also depends on the amount of money you earn. The benefits include:

• Income based jobseeker’s allowance (JSA)

• Income support

• Income-related employment and support allowance (ESA)

• Tax credits

• Pension credit guarantee credit.

• Universal credit.

There are also other important factors that determines if you can have a free insulation fitted on your property. These includes the place you reside, the carbon level of your home and according to some suppliers, the level of beneficial impact the insulation will have on your home. In order to have a free external wall insulation installed, you must either be the owner of your home or at least obtain the go ahead from your landlord before any external wall insulation activity can be made.

Good news is, if you fit the aforementioned criteria and you’ve already installed an external wall insulation, you just may be entitled to receive a refund for the good job done. However, to really find out if you’re eligible, we’d recommend you get in touch with your supplier directly. Also, the Energy Saving Trust (EST) can direct you to some organizations who can assist you in the determination of your eligibility.

As a home and property owner living in England, you can also check out the Each Home Counts Advice Website which is committed to giving impartial energy efficiency advice.

At the end of the day, if it turns out you happen to be ineligible for a free external wall insulation, you can still go ahead to contact a professional installer for a help at a competitive price to enjoy the several benefits that comes with home insulation.

how to repair a patio?

A patio is an outdoor space which can be used for a variety of stuffs which includes fun time with family and friends, reading time or just relaxing as the fresh breeze blows. With all these benefits and more, it’s becomes more obvious that there’s a need to keep your patio in a tip top condition at all times. If otherwise, you may not be able to enjoy your patio to your satisfaction and probably, for as long as you would want. You simply have to provide it with a regular maintenance which involves inspecting and identifying the damages that needs to be repaired before it gets out of hand. Fortunately, the minor repairs can be done by yourself if you’re confident enough. However, for bigger damages it’s advisable to call in a professional for help. In this article, we’ll take you through the patio reparation process.

✓ Prepare the area. This involves removing the problem piece gently and carefully. If there’s a piece you think can still be useful, store it in the re-use pile or you can start a new one. Once you’re done removing the pieces, the next thing to do would be to start removing anything that’s unwanted from the damaged area like debris, unwanted soil etc, and start sand fitting with some fresh sand. This should be levelled out to ensure there’s no bumps.

✓ With the sand down, you can start by putting the pieces back in together. This should be done gently to avoid any further damage. Do this until your patio

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