Find a Builder you can trust in Hertfordshire.

Choose from 385 Builders, all rated by people like you.

Over 581 reviews & an average rating of 4.4/5 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 HERTFORDSHIRE
We are a family orientated company established in 1994. Utilising only the best quality materials and a highly skilled wo...
Verified Pro

Essex Loft Extensions

0 review(s)
Offers services in HERTFORDSHIRE
Essex Loft Extensions was founded by a team of experienced local builders with a shared passion for residential constructi...
Verified ProOver 20 Reviews

Thomas Roof Restoration

25 review(s)
Offers services in HERTFORDSHIRE
Thomas Roof Restoration are proud to work on your property as if it were their own. Based in Canterbury, covering Kent, So...
Verified ProOver 10 Reviews

CRS Contractors

19 review(s)
Offers services in HERTFORDSHIRE
we Are a family run business with over 30 years experience built on reputation Our services include all types of roofing...
Verified Pro

Rankin’s Roofing & Building

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

Recent Builder Enquiries

18 May

Driveway Repair

Barnet - EN5

Enquiry from: Kaveh K

Start Date: Immediate

drive way repair: surface 1m x 1.5 meter - already concreted underneath we need you to get a mix as close as possible to the original and lay it down for us , of course we know it wont be the perfect...

Post a similar request >

08 May

Driveway Repair

Barnet - EN5

Enquiry from: Kaveh K

Start Date: Immediate

drive way repair: surface 1m x 1.5 meter - already concreted underneath we need you to get a mix as close as possible to the original and lay it down for us , of course we know it wont be the perfect...

Post a similar request >

19 Mar

Conversion | Loft

Hemel Hempstead - HP3

Enquiry from: Surjan S

Start Date: Immediate

Loft conversion- 1 room( 4mts x 5.2 mts) , a bathroom( shower ( 2 mts x2 mts) , toilet and washbasin with storage

Post a similar request >

03 Mar

Building work | Sound Proofing

Watford - WD19

Enquiry from: Christine A

Start Date: Immediate

To supply and fix 10mm DBX pro acoustic boards directly to party wall sealed with DBX tape followed by 15mm acoustic plasterboard and sealed with acoustic sealant. Wall area 8.17 sq meters no door/wi...

Post a similar request >

10 Dec

Insulation | Loft / Roof

Baldock - SG7

Enquiry from: Ken B

Start Date: Immediate

Removal of old boards and fibre insulation - replaced. 2 bed semi detached house. Contractor cancelled at short notice.

Post a similar request >

06 Dec

Building work | Wall Cladding

Hemel Hempstead - HP3

Enquiry from: Sajida C

Start Date: Immediate

Hallway panelling - 2 flights of stairs, hallway and landing

Post a similar request >

24 Nov

Building work | Bricklaying

Barnet - EN5

Enquiry from: Padma K

Start Date: Immediate

Air bricks need putting in on outside wall

Post a similar request >

24 Nov

Building work | Sound Proofing

Bishop's Stortford - CM23

Enquiry from: Brian E

Start Date: Immediate

Ceiling tile replacement or new fitting

Post a similar request >

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 >

01 Nov

House Extensions

Watford - WD24

Enquiry from: Namgyal L

Start Date: Immediate

Customer made an online enquiry for House Extension via one of our websites. Confirmed via . Please call to arrange an appointment to quote.

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 >

11 Oct

House Extensions

Bishop's Stortford - CM23

Enquiry from: Nivedita S

Start Date: Immediate

Customer made an online enquiry for House Extension via one of our websites. Confirmed via . Please call to arrange an appointment to quote.

Post a similar request >

10 Oct

Building work | Sound Proofing

Rickmansworth - WD3

Enquiry from: Sue G

Start Date: Immediate

Insulation for kitchen then plastering.

Post a similar request >

29 Sep

Conversion | Garage

Barnet - EN4

Enquiry from: ANDREW S

Start Date: Immediate

i would appreciate a home visit on 16 or 17 october 2025 4pm if possible so i can discuss my requirements further and then obtain a detailed quotation. i am seeking a cost-effective solution; i curren...

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 >

26 Sep

House Extensions

Hatfield - AL9

Enquiry from: Tony R

Start Date: Immediate

Customer in Hatfield area made an enquiry for House Extension online. Please call to arrange an appointment to discuss options

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 >

09 Aug

Conversion | Garage

Hatfield - AL10

Enquiry from: Kwabena A

Start Date: Immediate

Would like a quote to extend single garage to double

Post a similar request >

03 Aug

Building work | Sound Proofing

Bishop's Stortford - CM23

Enquiry from: Emese M

Start Date: Immediate

Soundproofing shared party wall to block out neighbours noise

Post a similar request >

08 Jul

Conversion | Basement

Bushey - WD23

Enquiry from: Guy W

Start Date: Less than one month

excavation of a two-room (30 sq. m) under garden basement with lightwells in one of the rooms and reconstruction of patio above. single storey extension of rear of property 1-2m back to enable interna...

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 Hertfordshire is:

£25,056

Builder job Builder cost in 2026
Garage conversion in Hertfordshire £9,834-£19,634
Loft conversion in Hertfordshire £30,750-£67,750
House extensions in Hertfordshire £32,000-£73,000
Loft insulation in Hertfordshire £350-£5,345
Upvc or wood porch in Hertfordshire £2,625-£4,025
Barn conversions in Hertfordshire £112,500-£172,500
Basement renovation in Hertfordshire £30,000-£46,000
Bedroom fitting in Hertfordshire £1,500-£2,300
Bricklayers in Hertfordshire £300-£460
Cavity wall insulation in Hertfordshire £325-£5,410
Commercial new builds in Hertfordshire £105,000-£161,000
Conservatory base in Hertfordshire £675-£1,035
Building maintenance in Hertfordshire £1,400-£4,225
Building insurance works in Hertfordshire £1,400-£4,225
Pebble dashed walls in Hertfordshire £1,275-£7,100
Plasterboard dry lining in Hertfordshire £638-£978
Residential new builds in Hertfordshire £105,000-£161,000
Restoration and refurbishment in Hertfordshire £37,500-£57,500
Roof insulation in Hertfordshire £3,875-£10,750
Underpinning in Hertfordshire £1,400-£4,225
Wall cladding in Hertfordshire £1,125-£1,725
Wall rendering in Hertfordshire £3,750-£5,750
Cero insulation in Hertfordshire £250-£10,000
Insulation scheme (hhrco) in Hertfordshire £250-£10,000
Demolition in Hertfordshire £2,440-£3,660
Roof room in Hertfordshire £15,000-£23,000
Shop refurbishment in Hertfordshire £3,750-£5,750
Single storey house extension in Hertfordshire £24,400-£44,934
Soundproofing in Hertfordshire £575-£25,690
Driveway repair in Hertfordshire £607-£51,140
Garden room in Hertfordshire £6,400-£9,600
External wall insulation in Hertfordshire £3,125-£12,500

Related Builder searches in Hertfordshire

Builder FAQs

Will I need planning permission to convert my loft?

Planning permission is not normally needed for a loft conversion as they are covered by permitted development rights. A conversion company will tell you if you do and help you with this. For more information, see our article about planning permission.

how to build a fitted wardrobe in an alcove?

Fitted wardrobes are the best choice of wardrobe for most households and they’re a popular option for several homeowners for a good reason. Not only are they able to efficiently maximize your space and fit into any space no matter how awkward, but they can also be customized to fit your personal needs to feature custom lighting and many more. So if you’re planning to have one fitted but on a tight budget, you’d probably be wondering how you can install a fitted wardrobe in an alcove by yourself. This is a relatively easy task if you’re attentive to the details, however, if you’re not confident enough to pull this off, we’d advise that you get in touch with a professional who can guarantee the best results for help.

To construct a fitted wardrobe in an alcove, simply follow these steps:

✓ Take a measurement of the available space including the length, breadth and width.

✓ Sketch out what you want the wardrobe to look like while also staying within the measurements. Here, you’ll have to be particular about everything like the drawers, shelves etc.

✓ Build the frames upon which every other construction would be made.

✓ Attach the frames to the wall and floor. Make use of a hammer drill with a masonry bit to drill the holes if its a concrete floor.

✓ At this stage, you’ll have to start building your shelves in accordance to the number you’ll need.

✓ Based on the design in step 2 above, you’ll have to add the door at this stage. This is however optional as some homeowners prefer door-less wardrobes.

✓ The final step is to paint the the finished wardrobe to your taste with your choice of colour.

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.

do i need planning permission for a loft room?

Do I Need Planning Permission For A Loft Room?

The answer to this question is maybe. Generally, loft rooms are covered under “Permitted Development which means you won’t need to apply for a planning permission to build a loft room. This is like an advance planning permission provided by local authorities to allow some particular building works to be done such as loft conversions, rear extensions and more. When you’re covered by a “Permitted Development, you’re given the free range to oversee your home’s development without much interference from the regulations or the council. However, for permitted development to apply, there are some specific criteria that must be met. Therefore, if your loft room does not meet the following requirements given below, then you must complete a planning application before proceeding.

• In a terraced house, the converted loft space must not be more than 40 cubic metres.

• In a detached building or semi detached house, the converted loft space must not be more than 50 cubic metres.

• The existing roof slope at the front of the house must cover the extension made.

• The extension should not increase the height of the roof in any way.

• Verandas, balconies and any other structures of this nature must not be included in the extension’s plan.

• The side facing window openings should be at a minimum of 1.7 metres above the ground. The windows must be obscured as well.

• The roof extension should be set back as far as practically possible. It should be at a minimum of 20cm from the current eaves.

• The roof extension should not overhang the house’s roof or it’s wall.

• The materials to be incorporated must be the same or at least similar to what you already have on the house’s exterior.

how to underpin a house

The importance of underpinning a house cannot be overemphasized. Firstly, what is underpinning? Well, underpinning is simply the act of reinforcing, repairing, strengthening or improving the depth of an existing foundation by lowering the footing to ensure that it rests more on more reliable and supportive soil. Not only does this method help to strengthen your building and preserve its structural integrity, but it also does increase your property’s value and gives you peace of mind knowing your property is safe. If you’re thinking about underpinning your house, you have two options – do it yourself or call in a reputable structural engineer. The latter is more advisable as the method involves a lot of specialized knowledge, skills and tools to guarantee a successful outcome. In this post, we’re going to take you through the process involved in underpinning a house. Let’s take a look!

To get started, you should know that concrete underpinning features excavating pier footings around the building at about 2 to 3 metres distance between each other. In some cases, underpins can be installed from within the house. The footings of the underpin should go very deep into the underlying soil in such a way that fully supports the weight of the building or structure. Once done, now proceed to attaching the new footing to the building. You can achieve this by excavating underneath the existing footing to make for a stronger prop. Individual prop and pier arrangement is then strengthened using strong steel bars. Once completed, the concrete is then poured.

A professional underpinning contractor will make sure there’s sufficient space left between the existing footings and the new underpins as this space will ensure that the new underpins can be easily used to jack up the house and level it once the poured concrete cures.

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 long does a garage conversion take?

Garage conversion is a great way to add extra usable space to your home without having to extend your property. A fun fact is that, in the UK if you have your car parked in the garage, you’re in the minority. According to a research carried out by Admiral Loans, just about 33 percent of home owners in the UK store their cars in the garage. For most people the garage is literally a dumping ground that’s never fully utilized as such. In recent times, the garage is now being used to store a variety of other stuffs asides a car which includes garden furniture, tools and appliances, utilities such as washing machine, fridge and freezer as well as food and groceries. These facts show that more and more people are underutilizing their garage when they may actually be in need of more usable space in their property. So why not put into consideration converting the garage into a new space that would be able to serve more purpose?

If you’ve decided to convert your garage, you’d probably want to know the how long the project will take. There are a wide range of factors that can determine the duration of a garage conversion project. These factors include:

• If the foundation needs reinforcing

• If the floors, walls, or roofs are in a bad condition.

• If the ceiling height needs some raising

• If the insulation required in newer builds.

All aforementioned factors will make the garage conversion project take longer than expected. However, in normal situations garage conversions are relatively quick to complete once you start the building works. A single-car conversion will usually take about 3 to 4 weeks to complete depending on the existing garage’s structure.

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.

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 Hertfordshire.

Pick the right pro for you

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

Are you a Builder in Hertfordshire?

View our open Builder jobs near you

Join today
View Shortlist