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Verified Pro

Essex Loft Extensions

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

Beech Contractors

37 review(s)
Offers services in FARNHAM
Beach contractors have paved and resurfaced everything from championship golf courses to domestic driveways as a team we p...
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The Driveway Studio

1 review(s)
Offers services in FARNHAM
The Driveway Studio Ltd is your local specialist in resin driveways, tarmac, block paving, patio slabs, gravel driveways, ...
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Coastal Prime

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

0 review(s)
Offers services in FARNHAM
We can cover all aspects of a loft conversion and extensions. If you require, we can also design the project including dr...
Verified Pro
Reliable & Professional Building Services We specialise in all aspects of roofing, landscaping, brickwork, block paving...

Recent Builder Enquiries

12 Sep

Insulation | Loft / Roof

Farnham - GU10

Enquiry from: Michael J

Start Date: 1 to 3 months

Current Insulation: None Roof Type: Vaulted Urgency: No date Pitched roof, no attic and no current insulation

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07 Sep

Conversion | Loft

Farnham - GU10

Enquiry from: Tamsin C

Start Date: Immediate

Be Grateful for advice for a loft conversion which we are keen to carry out asap

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30 Sep

House Extensions

Farnham - GU9

Enquiry from: Josh P

Start Date: Immediate

single storey extension at rear of property - looking to have plans drawn up

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09 Feb

Building work | General

Farnham - GU10

Enquiry from: Louise M

Start Date: Immediate

Please could you come and quote for addressing subsidence on my elderly mother’s 4-bed 1960s property? She has endured flooding to the curtilage for years, due to South East Water, and now they have...

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30 Oct

Building work | Refurbishment

Farnham - GU10

Enquiry from: Toby T

Start Date: Immediate

Looking for a 6 yard skip to clear general rubbish from garage and back garden. Only need to keep it for a few days.

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28 Aug

Conversion | Loft

Farnham - GU10

Enquiry from: Mike C

Start Date: Immediate

loft room coversion hi i am not quite looking for a loft coversion in the normal sense, but a dry loft space which does not effect the roof pitch, going for a warmer roof using foil and solid based i...

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25 Jul

Insulation | Cavity Wall

Farnham - GU9

Enquiry from: John O

Start Date: Immediate

a quote for bonded bead cavity wall insulation are you the property owner: owner of the property property type: detached how many bedrooms do you have: 5+ property age: 1970-2000 are you in a conserv...

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12 Jun

Driveway Repair

Farnham - GU9

Enquiry from: Louise M

Start Date: Immediate

some of our wooden windows and doors are rotting and need repairing. once repaired, they need repainting. we are also looking to repair and paint the facias and soffits and replace our guttering and i...

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05 Oct

Building work | General

Farnham - GU9

Enquiry from: Nigel C

Start Date: Immediate

suspected fault in down pipe from upstairs bathroom causing damp patch on wall in living room are you the property owner: owner of the property property type: detached what type of work do you need t...

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01 Oct

Conversion | Loft

Farnham - GU10

Enquiry from: Andrew C

Start Date: Immediate

Take off existing rafters. Erect new trusses and *** bedroom, bathroom, staircase accommodation within. Retain existing ground floor ceiling, heating and electrics distribution etc. Retile and insula...

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19 Aug

Building work | General

Farnham - GU10

Enquiry from: Alex M

Start Date: Immediate

customer in farnham area has requested that we arrange quotes for their building maintenance project.mr are considering various options and would like to discuss with a builder directly.please call to...

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11 Mar

Building work | General

Farnham - GU10

Enquiry from: John F

Start Date: Immediate

are you the property owner: owner of the property property type: detached other forms: building maintenance agreed to receive quotes for selected products: yes please call to appoint

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07 Mar

Conversion | Garage

Farnham - GU9

Enquiry from: Elaine C

Start Date: Immediate

I would like the rear end of the garage converted into a shower room with toilet and basin - the room will also incorporate the washing machine that is already plumbed in in front of the existing wind...

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18 Feb

House Extensions

Farnham - GU9

Enquiry from: Stephanie T

Start Date: Immediate

Are you the home owner of that property? YES Are you replacing an existing porch or is this a new build? replacement What material do you require, UPVC? Brick and UPVC open to options What colour do y...

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02 Feb

House Extensions

Farnham - GU9

Enquiry from: Jon E

Start Date: 1 to 3 months

A side 2 storey extension with pitched roof to include a first floor bedroom and a bathroom. On the ground floor, one spare room and a downstairs cloakroom. Are you the property owner: Tenant (with p...

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22 Oct

House Extensions

Farnham - GU9

Enquiry from: Dan I

Start Date: Immediate

Looking for a single storey 3m x 6m extension with pitched roof to extend kitchen area. We do not need any electrical, plumbing or windows installing. Customer is currently in the process of looking ...

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16 Oct

House Extensions

Farnham - GU9

Enquiry from: Dan I

Start Date: Immediate

Looking for a single storey 3m x 6m extension with pitched roof to extend kitchen area. We do not need any electrical, plumbing or windows installing. Customer is currently in the process of looking ...

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16 Oct

House Extensions | Single Storey

Farnham - GU9

Enquiry from: Dan I

Start Date: Immediate

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: Detached Looking For: Si...

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22 Jan

House Extensions

Farnham - GU10

Enquiry from: Kate S

Start Date: Immediate

*Homeowner House extension Please call to appoint

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19 Jan

House Extensions

Farnham - GU10

Enquiry from: Kate S

Start Date: Immediate

Current house is 160m 2 and we would like to extend along one length to get a good sized house. Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey ex...

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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 Farnham is:

£23,786

Builder job Builder cost in 2026
Garage conversion in Farnham £9,834-£19,634
Loft conversion in Farnham £19,584-£56,250
House extensions in Farnham £30,500-£64,500
Loft insulation in Farnham £350-£5,345
Upvc or wood porch in Farnham £2,625-£4,025
Barn conversions in Farnham £112,500-£172,500
Basement renovation in Farnham £30,000-£46,000
Bedroom fitting in Farnham £1,500-£2,300
Bricklayers in Farnham £300-£460
Cavity wall insulation in Farnham £325-£5,410
Commercial new builds in Farnham £105,000-£161,000
Conservatory base in Farnham £675-£1,035
Building maintenance in Farnham £1,400-£4,225
Building insurance works in Farnham £1,400-£4,225
Pebble dashed walls in Farnham £1,275-£7,100
Plasterboard dry lining in Farnham £638-£978
Residential new builds in Farnham £105,000-£161,000
Restoration and refurbishment in Farnham £37,500-£57,500
Roof insulation in Farnham £3,875-£10,750
Underpinning in Farnham £1,400-£4,225
Wall cladding in Farnham £1,125-£1,725
Wall rendering in Farnham £3,750-£5,750
Cero insulation in Farnham £250-£10,000
Insulation scheme (hhrco) in Farnham £250-£10,000
Demolition in Farnham £2,440-£3,660
Roof room in Farnham £15,000-£23,000
Shop refurbishment in Farnham £3,750-£5,750
Single storey house extension in Farnham £24,400-£44,934
Soundproofing in Farnham £575-£25,690
Driveway repair in Farnham £1,520-£2,280
Garden room in Farnham £6,400-£9,600
External wall insulation in Farnham £3,125-£12,500

Related Builder searches in Farnham

Builder FAQs

is cavity wall insulation a good idea?

Cavity wall insulation is basically the process of installing an insulating material between the two layers of brick making up a cavity wall, either as a retrofit measure or at the time of building. Obviously this is not a choice if you have solid wall, but for those who do possess a cavity wall, it represents an opportunity you may not want to let slide as it is a worthwhile and affordable wall insulation option. Clearly, cavity wall insulation will make your home or property feel warmer, but it also does come with a range of other benefits which is why we’d recommend installing it. In this post, we’re going to look at a number of reasons why having a cavity wall insulation done is a good idea.

  • It’s one of the cheapest energy saving measures that’s available. Not only is cavity wall insulation really effective, but it can also deliver great saving. In other words, it possesses a bigger payback compared to other options. When compared to other types of insulation, you can’t install cavity walls insulation by yourself, however it’s not so expensive to have it installed. The cost of the insulation will be determined by a number of factors such as your location, the company hired and more.
  • It reduces your energy bills. Cavity wall insulation can save you about £100 to £200 on a yearly basis on heating bills. In other words, this is usually able to pay for itself in as little as two years.
  • It reduces your carbon carbon footprint. If your home is heated with gas or electricity like several other homes, producing that energy involves burning fossil fuels which is known to be hazardous for the environment. If the heat generated is now allowed to escape through the walls, that means you’d have to use more to keep up your required temperature. Installation of cavity wall insulation in homes will enable a more efficient usage of the energy which will ultimately cut UK’s carbon usage.
Will my patio need a lot of maintenance?

Patios do not require lots of maintenance. They will only need occasional cleaning to make sure that the material keeps its original appearance. It's always best to clean your patio with a pressure washer and occasionally tap each slab or brick just to check the sand underneath hasn't washed away.

how much do roof rooms cost?

How Much Do Roof Rooms Cost?

The price of your roof room may vary depending on your location within the country. Other factors that can also play a key role in determining the price of a roof room includes the conversion’s type as well as the legal and technical issues it’s currently facing. Usually, the cost of roof rooms will range between £1,200 to £2,000 per square metre. The differences in the price per square metre is influenced by the size of the alterations to the roof, the type of roof room to be constructed, the access, location as well as the finishing type.

• DORMER LOFT CONVERSION.

Here, one of the slopes of a pitched roof is substituted for a box-shaped structure. The outcome is a flat roof space which enables the fitting of full sized windows as well as the incorporation of several appliances. This is quite expensive as it involves a total rebuilding of one roof pitch alongside the complete internal works that are associated. The average cost of a standard dormer loft project will range between £25,000 to £50,000.

• HIP TO GABLE LOFT CONVERSION

Here a vertical brick wall is used to substitute the roof’s slope at the ending part of the terrace on detached buildings. The average cost of this type of roof room will range between £32,000 to £60,000.

• ROOFLIGHT LOFT CONVERSION

This basically involves fitting rooflight windows in the roof. Other improvements include flooring, plasterboarding, strengthening of the existing floor, as well as installation of rooflights. The average cost of this type of roof room will range between £15,000 to £25,000.

• MANSARD LOFT EXTENSION

This roof room can create an extra storey on top of an existing building as it makes a space featuring two or four external walls that are a bit sloped. The average cost of this type of roof room will range between £40,000 to £70,000.

What types of work does a builder do?

Any residential building work requires a general builder. The term Residential building work means any work which is involved in building a house or changing or adding to a home. It also comprises of mending, refurbishing, ornamenting or applying shielding treatment to home. A dwelling is defined as a building or a part where people live. This might include an apartment, house or a townhouse.

Here is a list of some of the works that require a building licence:

• construction of a garage, carport or a shed

• renovation for bathroom, kitchen or laundry

• structural landscaping and building swimming pools

• construction of conservatories and atriums

• house lifting for example, raising the height of an existing structure permanently

• removing and resitting dwellings

• steam rooms and saunas.

General building contracts might also involve work that needs a specialist. These works can be appropriately subcontracted. However, this work must be carried out by the container of a permitted contractor licence or competent administrator certificate in that specialist category.

There are a number of different categories of licences that are available depending on whether you want to oversee the work or have an agreement with another party. When you have a contractor licence, you will have the option of submitting a contact to bid on the work. You can only do the categories of work designated on your licence card. Contractor licences can be allotted to people and businesses and partnerships.

With a certificate of a qualified supervisor, you will be able to supervise the type of work specified in the certificate. Such certificates are only issued to individuals and do not allow you to contract for work.

The licence of an endorsed contractor is issued to those individuals who have applied for a contractor licence but also possess the necessary qualifications and experience to become a qualified supervisor.

how much does a kitchen diner extension cost?

If you’re planning to construct a kitchen diner extension, to help you set a budget and start planning you must first have a cost estimate that’ll complete the entire project. If not, there’s a probability that you may have to spend more than would have been necessary or probably break the bank to have the project done. In truth, there’s no single and short answer to this question as the cost of a kitchen diner is largely dependent of several variables. In this article, we’re going to give a good insight into kitchen diner extension cost so as to help you make informed decisions moving forward. Let’s take a look!

On the average, a kitchen diner extension will cost within the range of £25,000 to about £45,000, however if you happen to reside in London, you can expect the cost to be a lot more than that - closer to £60,000. And due to the fact that there happens to be a plethora of options out there, any decision to make be it on the size, tradesman, flooring, finishes or type of the kitchen diner extension, will have a considerable impact on the overall cost of the project. For instance, a basic kitchen diner extension cost can be within the range of £12,000 to about £15,000., while a high end kitchen diner extension can reach a whooping price between £80,000 to about £100,000.

The total cost of your kitchen diner project will rely heavily of the size as well as the quality of the finishes. For example, a kitchen diner extension that’s small and basic is likely to cost about £1,300 to £1,500 per square metre. However, if you’re going for higher quality finishes, you can expect to pay within the range of £1,900 to about £3,000 per square metre.

when do you need planning permission for a house extension?

If you’re planning on adding a house extension to your property, you’d probably be worried about whether or not your proposed extension would require a planing permission. Well, it may be relieving to know that not every house extension project would require a formal consent, and in fact, several extensions are covered by the permitted development rights. Not only can this save you a considerable amount of time especially at the project’s planning phase, but it’ll also save you money on the application fee. In the UK, single storey extensions to the house’s rear can be 3 metres deep for both semi detached houses and terraces or 8 metres deep for detached homes.

So how do you know when you’d require a planning permission for your home extension? Well, if your extension plan fits these criteria explained below, then your project is most likely going to be allowable as a permitted development.

• Extensions, which includes previous additions, must not go beyond half of the original house’s total surrounding land area.

• The main elevation, or side elevation where it fronts the highway, must not be extended forward.

• For single storeys, the rear additions must not extend more than the original house’s rear by more than 3 metres in both semi attached homes and terraces (4 metres for detached houses).

• Extensions to the side must be a single storey with a height not exceeding 4 metres and not going beyond 50% of the original house’s width.

• Extensions hat within 2 metres of a boundary should have a eaves height not more than 3 metres.

• Multi storey addition must not extend beyond the original house’s rear wall by a maximum of 3 metres or 7 metres of the boundary opposite the rear wall.

• Permitted development rights do not apply in listed buildings or designated areas.

What types of cladding are there?

There are two main types of cladding. The first is material cladding, which refers to layers of a material that are attached to the external walls. The material used could be timber, PVC, stone, or other materials. The second type of cladding is rendering, where a coat of plaster is applied to the wall.

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.

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