Find a Builder you can trust in St Albans.

Choose from 217 Builders, all rated by people like you.

Over 367 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 50 Reviews

Colt Property Improvement

74 review(s)
Offers services in ST ALBANS
We are a family orientated company established in 1994. Utilising only the best quality materials and a highly skilled wo...
Verified Pro

Hilson Roofing

0 review(s)
Offers services in ST ALBANS
Your friends in High Places We cover all aspects of roofing from minor repairs to full design and install We are quali...
Verified ProOver 20 Reviews

CRS Contractors

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

Coastal Prime

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

Recent Builder Enquiries

05 Nov

Conversion | Loft

St. Albans - AL2

Enquiry from: Iqbal A

Start Date: Immediate

Customer made an enquiry for Loft Conversion via one of our websites. Looking at various options they would like to discuss directly Confirmed interest Please call to discuss and arrange appointment t...

Post a similar request >

26 Oct

Conversion | Loft

St. Albans - AL1

Enquiry from: Hazem A

Start Date: Immediate

Customer is looking for quotes for Loft Conversion from pros around St. Albans. Please call to arrange appointment to discuss

Post a similar request >

28 Sep

Conversion | Loft

St. Albans - AL2

Enquiry from: Lucy G

Start Date: Immediate

Customer is looking for quotes for Loft Conversion from pros around St. Albans. Please call to arrange appointment to discuss

Post a similar request >

18 Aug

Conversion | Loft

St. Albans - AL1

Enquiry from: Shahzaib A

Start Date: Immediate

we live in an 2 bed mid-terrace house and are considering a velux conversion for our loft. the floor area is 7.1 x 3.3m and we are planning on using the room as a spare bedroom/study. we have neighbou...

Post a similar request >

02 Nov

Conversion | Loft

St. Albans - AL4

Enquiry from: Charmaine M

Start Date: Immediate

We would like to change a current loft velum room into a dormer and remove the chimney breast at the same time.

Post a similar request >

11 Jun

Conversion | Loft

St. Albans - AL2

Enquiry from: Claudine S

Start Date: Immediate

a dormer hip to gable added to the attic bedroom already in the property are you the property owner: owner of the property property type: terrace what are you looking to convert the space into: other ...

Post a similar request >

18 Feb

Building work | General

St. Albans - AL3

Enquiry from: Mal O

Start Date: 3+ months

customer requested quotes for building maintenance from a builder around st. albans. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the informa...

Post a similar request >

18 Feb

Driveway Repair

St. Albans - AL3

Enquiry from: Mal O

Start Date: 3+ months

10m x 10m driveway, currently crazy paving needs repair or consider replacement. resin or block finish are you the property owner: owner of the property property type: detached what level of service...

Post a similar request >

11 Feb

Conversion | Loft

St. Albans - AL4

Enquiry from: Fiona T

Start Date: Immediate

vellux loft conversion to create two rooms and possibly one ensuite.length of loft is 10x5m are you the property owner: owner of the property property type: detached what are you looking to convert t...

Post a similar request >

07 Feb

Building work | Wall Rendering

St. Albans - AL1

Enquiry from: Tom H

Start Date: Immediate

Quite for Check and repair external rendering. Damp course on ground floor

Post a similar request >

02 Feb

Building work | Wall Rendering

St. Albans - AL4

Enquiry from: Katherine T

Start Date: Immediate

Following a loft conversion and rear extension we are looking to re-render the house with K-rend. We are unsure whether we can render over the existing, or if it'll need to come off. Thanks

Post a similar request >

24 Jan

Building work | Wall Rendering

St. Albans - AL1

Enquiry from: Linda W

Start Date: Immediate

Rendering all outside house

Post a similar request >

23 Jan

Building work | Wall Rendering

St. Albans - AL1

Enquiry from: Kate M

Start Date: Immediate

Hi, I would like to get a quote for (1) Fixing some hairline cracks in exterior rendering (2) replastering an internal dining room ceiling (3) Replastering next to a fireplace Please let m...

Post a similar request >

04 Jan

Building work | Wall Rendering

St. Albans - AL3

Enquiry from: Ian T

Start Date: Immediate

A quote for the removal of the existing rendering and application of new.

Post a similar request >

21 Dec

Building work | Wall Rendering

St. Albans - AL1

Enquiry from: Yiannis B

Start Date: Immediate

This is a property we are renting out and the tenants started complaining about damp walls and mould. We brought a company in to eradicate the mould but the wet patches reappeared once the weather bec...

Post a similar request >

21 Dec

Conversion | Loft

St. Albans - AL1

Enquiry from: Rod L

Start Date: Immediate

convert back-facing side of existing velux loft extension to a dormer with two windows, in order to add additional space through head height and conversion of the eaves. room is approx 3.3m long and w...

Post a similar request >

20 Dec

Building work | Wall Rendering

St. Albans - AL4

Enquiry from: Stephen B

Start Date: Immediate

Looking to K render the house please

Post a similar request >

03 Dec

Insulation | Cavity Wall

St. Albans - AL2

Enquiry from: Chris M

Start Date: Immediate

Asses and quote for cavity wall insulation. 1920s(?) built 4 bed semi.

Post a similar request >

07 Nov

Building work | Wall Rendering

St. Albans - AL3

Enquiry from: Neil A

Start Date: Immediate

Hi. I'd like to inquire about getting a quote to change our existing pebbledash to a smooth white render. We would require it front, side and back. Thanks.

Post a similar request >

31 Oct

Building work | Wall Rendering

St. Albans - AL1

Enquiry from: Hannah C

Start Date: Immediate

Hi there We’ve just moved into St Albans terrace house . I’d like a quote for a loft ladder, boarding and insulation. Thanks Hannah

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 St Albans is:

£24,798

Builder job Builder cost in 2026
Garage conversion in St Albans £9,834-£19,634
Loft conversion in St Albans £34,584-£57,917
House extensions in St Albans £33,400-£69,600
Loft insulation in St Albans £300-£3,714
Upvc or wood porch in St Albans £2,625-£4,025
Barn conversions in St Albans £112,500-£172,500
Basement renovation in St Albans £30,000-£46,000
Bedroom fitting in St Albans £1,500-£2,300
Bricklayers in St Albans £300-£460
Cavity wall insulation in St Albans £384-£4,607
Commercial new builds in St Albans £105,000-£161,000
Conservatory base in St Albans £675-£1,035
Building maintenance in St Albans £2,250-£3,450
Building insurance works in St Albans £2,250-£3,450
Pebble dashed walls in St Albans £2,000-£9,200
Plasterboard dry lining in St Albans £638-£978
Residential new builds in St Albans £105,000-£161,000
Restoration and refurbishment in St Albans £37,500-£57,500
Roof insulation in St Albans £3,875-£10,750
Underpinning in St Albans £2,250-£3,450
Wall cladding in St Albans £1,125-£1,725
Wall rendering in St Albans £3,750-£5,750
Cero insulation in St Albans £250-£10,000
Insulation scheme (hhrco) in St Albans £250-£10,000
Demolition in St Albans £2,440-£3,660
Roof room in St Albans £15,000-£23,000
Shop refurbishment in St Albans £3,750-£5,750
Single storey house extension in St Albans £24,400-£44,934
Soundproofing in St Albans £550-£18,794
Driveway repair in St Albans £607-£51,140
Garden room in St Albans £6,400-£9,600
External wall insulation in St Albans £3,125-£12,500

Related Builder searches in St Albans

Builder FAQs

Are barn conversions cold?

If you’re considering converting a barn or buying one, you shouldn’t need to worry about it being cold. This is because building regulations dictate that when you convert a barn, you need to insulate it to meet specific standards. However, it’s worth considering its heating system and ceiling heights carefully – some barn conversions are likely to take longer and be more expensive to heat up than others.

Does a converted basement need windows?

Windows or lightwells can be a great way to introduce natural light into your basement, making it a more valuable, enjoyable space. However, they’re not always an essential requirement.

It’s important for your basement conversion to meet ventilation and fire safety building regulations. Windows can be a good way to do this, but they’re not the only option. Stack or mechanical ventilation, or ensuring that stairs up from your basement connect to an exit can be a good alternative.

So, while windows can be a great asset to your basement conversion, if you can’t afford them or they’re not structurally feasible, you can still create a basement conversion without them.

how to insulate a loft?

Do you know about 25 percent of heat that escapes from an uninsulated house are lost through the roof? Fortunately, roof insulation is something that can done by all DIYers irrespective of their experience levels. However, if you happen to lack the confidence necessary to pull off this, then it’s strongly recommended that you hire the services of a professional who can guarantee the best results and also save you time and money that could arise from potential cost mistakes. Let’s take a look!

  • Clear out all clutter. This involves taking out all the rubbish and clutter from the loft. In order to work effectively, you’ll need a totally clear and empty loft space.
  • Ensure that there’s sufficient insulation. The importance of a good ventilation cannot be overstated. Poor ventilation will result in forming of condensation and this condensation can make the roof timbers rot and compromise the structural integrity of the entire roof. If there are no roof windows which is the easiest way to provide a loft ventilation, the next best option would be to follow the loft floor along to the point where the roof comes down to meet it. There should be a gap at this point, also referred to as the eaves, between the outside wall and the underside of the roof.
  • Measure your loft area. Take a measurement of the loft space in order to calculate the amount of insulation as well as the type you need. If you’re not sure, always get more that it’s required as skimming on the amount you use will only back fire in form of increased energy costs
  • Check for water pipes.

 

To get started, simply make sure all cracks and gaps in the ceiling are filled using a standard filler or decorator caulk. Once done, clean the gaps in the joists and even to the point of hovering all the dust up. Finally,check for the hazards that can cause you problems before laying the loft insulation.

How long will my garage conversion take?

It’s often said that a garage conversion can take anywhere between 1 week to 1 month, depending on the size and scope. But many standard conversions without any plumbing can take as little as 5 days. Your contractor will be able to tell you exactly how long your garage conversion will take.

how thick should render be on external wall?

Render serves two basic functions. One is it’s protective qualities as render acts as waterproof for the wall which enables them breathe by allowing water vapour move from the inside to the outside of the structure while also working to prevent water or rain from finding its way inside the structure. While the second function is the decorative qualities as render is able to provide the structure with a fine finish and colour to make the building a lot more appealing and correcting faults in line and level in the masonry.

If you wish to apply render on your external wall, you’d probably be wondering just how thick the render should be to perfectly serve both of functions. In this article, we’re going to take a look at just that!

For a render thickness, the British Standard Wind Driven Rain Index has come up with 4 ratings which include Sheltered, Moderate, Severe as well as Very Severe. An area with Very Severe rating include South West England. This rating implies that the thickness of the render in this area should be increased to at least 20mm for a direct one coat render applications as well as 5 to 6 external wall insulation base coat applications. And if you happen to reside within one mile of the coast, it’s strongly recommended you incorporate an extra repellent protection like Paraguard AG from Parex.

In general, render that’s prepared on site with cement and sand should be have a minimum of 20mm to 25mm thickness. Although, it should be noted that the quality of the render is based on quality of the sand incorporated, the design mix as well as being largely dependent on how good the mixing technique from the applicator is. The most common reasons why traditional renders fails is due to both poor mixing ratios and low quality materials used.

How to put up plasterboard?

How To Put Up Plasterboard

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

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

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

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

Can cladding help with a damp problem?

External cladding will have an impact on a damp problem. However, it’s important that cladding is the last part of a damp treatment, as installing cladding over a damp wall will make the problem worse. Do not cut corners or try to remedy a problem with the cheapest solution, a damp proof course may need to be put in place before cladding.

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.

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 St Albans.

Pick the right pro for you

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

Are you a Builder in St Albans?

View our open Builder jobs near you

Join today
View Shortlist