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House Extension in city

House extension includes a wide variety of benefits which makes it simple to see why the extension could be a excellent uptick in the potential price of your property in regards to sales. So if you're wanting to develop a brand-new home extension but still not convinced concerning the job, we're below to help you. Being totally conscious any kind of house building and construction job is normally a hefty financial investment, there's a huge demand to be set on your decision before setting up the commencement of any work. So are house extensions worth it? Below are several of the leading benefits used by house extensions to help you choose if it's one of the most suitable course for you.

 

What's Associated with Adding an Extension?

The steps will differ depending upon the extent of your extension, however you can expect some, otherwise all, of the listed below to be entailed when including an expansion to your residence:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Checking your leasehold agreement (if relevant) to make sure you can do what you intend to do.
  3. Employing an architect  to draw the plans, considering your intended use ( cooking area, shower room, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance carrier to allow them know of the intended work ahead of it beginning.
  6. Obtaining vehicle parking permits if needed for your contractors to ensure they have easy accessibility to your house.
  7. Seeing to it all prepared job falls within allowed allowables.
  8. Clearing up the area and excavating if required, including the elimination of trees.
  9. Structure work can begin.

 

What is the expense of a house extension in city?

If you're considering adding a 2 floor house extension, after that establishing a allocate this task would be a wonderful method to get going. Similar to a rear extension, a two floor extension usually leaves the rest of the building requiring some work and, due to its dimension, this may suggest the re-development of the whole house - which is why they can be really expensive. Some of the other influencing factors that can have big influence on a 2 floor house extension price consists of: your location, the size of the build, intricacy of the style (anything past the conventional construct will normally require even more experience and time), the glazing to be incorporated (the extra the glass made use of in the task, the much more the product price), as well as the team made use of.

Average House extensions cost in Leatherhead

The regular cost of House extensions are £51,667 in Leatherhead. Costs vary based upon the materials and the company picked. The upper price range can be as high as £73,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£32,000

Avg. price

Avg. price
£51,667

Avg. price high

Avg. price high
£73,000

£73500

£55125

£36750

£18375

£0

Prices based on actual House extensions costs for Leatherhead, as reported by local LeadsDoWork members.

House extensions installation cost in Leatherhead 2026

Labour cost £27,000
Material cost £10,500
Waste removal £2,500
Time frame: 10-14 weeks

House extensions searches in September 2026

House extensions Projects in Leatherhead in August 2026

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Requests for House extensions quotations in Leatherhead in August 2026. -100% change from July 2026.

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Requests for House extensions quotations in Surrey in August 2026. -25% change from July 2026.

Source: Numbers calculated based on the search volumes in major search engines

House extensions searches in cities and towns near Leatherhead August 2026

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Leatherhead

Leatherhead is a town in Surrey, England on the right edge of the river Mole, and at the edge of the adjoining built-up area of London. The town covers a total area of around 4.84 square miles. Its local district is Mole Valley. Records exist of the region from Anglo Saxon England. Just north-east of the midpoint of Surrey and at a junction of ancient north-- south and east-- west roads, parts of the town have actually been a focus for transportation throughout its history. A key early spur to this was the building of the bridge over the seasonally accessible River Mole in the early medieval period. Later On the Swan Hotel offered 300 years of service to horse-drawn coaches. In the late 20th century the M25 motorway was constructed nearby. According to the 2011 Census, the town has a permanent population of around 11316 people. The town has re-developed regularly through changing monetary needs and planning. In the late 1970s and early 1980s, Mole Valley District Council made plans to modernise the town, with a brand-new pedestrianised high street and a sizeable one-way system. It has a combined theatre and cinema. Leatherhead's various business facilities create lunchtime demand and its restaurants and theatre draw in people from across Surrey. The undulating streetscape lends itself more to warm summertime evenings. The theatre (see below) is a movie theatre and has art exhibits. The bypass streets to the town centre close and feature yearly in the London-Surrey cycle classic which is ranked by the world's cycling federation. For all of your home refurbishments, make sure to find reliable contractors in Leatherhead to make certain of quality.

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House extensions pros in Leatherhead

Jassi Builders Ltd

2 review(s)
Based: in Hayes, UB4 9YD

Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I have completed all my work on perfect time and leave customers in complete satisfaction. We do all types of loft conversions, exten...

Latest review

Julian F., HP2
4

House Extensions in Hemel Hempstead

No quote received

Dream the Build

19 review(s)
Based: in London, EC1V 2NX

DREAM the Build. Ltd ' Constructing your Vision Making home development exciting, fun and asset building experience , future proofing household & investors Who we are ? Starting fresh in a new country is never easy, but what we did Catal...

Latest review

Patricia Z., SE21
5

House Extensions in London

Great consultation by Catalin Spent a lot of time with us understanding the project and various options.

JPA Building Construction LTD

1 review(s)
Based: in Twickenham , TW1 1AG

Latest review

Rosa S., SE20
5

House Extensions in London

Very nice and helpful unfortunately I am looking for a builder who lives nearby my property

Similar Customer Enquiries for House extensions in Leatherhead

17 Mar

House Extensions

Leatherhead - KT22

Enquiry from: Steven S

Start Date: Less than one month

Great, do you have plans or planning permission in place? No So, what storey extension are you after? Single Storey To use the extension as th new kitchen - space available is 2.5 x 4m Customer is c...

Post a similar request >

31 Jul

House Extensions

Leatherhead - KT22

Enquiry from: Claire D

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Other Forms: 45 Agreed to recieve quotes for selected products: Yes Please call to appoint

Post a similar request >

11 Dec

House Extensions

Leatherhead - KT23

Enquiry from: Joy T

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Detached, Work description: Erection of a part single, part two storey rear extension and conversion of gara...

Post a similar request >

17 Nov

House Extensions

Leatherhead - KT22

Enquiry from: Brenden S

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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18 Apr

House Extensions

Leatherhead - KT22

Enquiry from: Brendon P

Start Date: 1 to 3 months

Double storey rear extension. 4m out by 8m width (half of which is already in existence on the ground floor). Complete redecorating of rest of existing house, including new electrics and heating. Cus...

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10 Apr

House Extensions

Leatherhead - KT23

Enquiry from: Angela G

Start Date: Immediate

3m extension to previously extended kitchen( in the 70s) and extension added to above the kitchen plus new part below. Homeowner Please contact to appoint Are you the property owner: Owner of the ...

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27 Dec

House Extensions

Leatherhead - KT22

Enquiry from: Mr K

Start Date: 1 to 3 months

We are currently submitting plans for a wrap around rear and side extension. On the ground floor this involves removal of the rear external wall as well as two internal walls. The ground floor will ex...

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03 Oct

House Extensions

Leatherhead - KT24

Enquiry from: Jean G

Start Date: Immediate

Two storey Side extension to detatched house to extend size of two small rooms (ground and first floor) and to add on-suite bathroom to main bedroom on first floor. Side and rear garden overlooks open...

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22 Sep

House Extensions

Leatherhead - KT22

Enquiry from: Razik S

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: Convert garage to an office and then build over it to enlarge the mater bed...

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04 Jul

House Extensions

Leatherhead - KT22

Enquiry from: Katharine K

Start Date: Immediate

extend kitchen and refit

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24 Mar

House Extensions

Leatherhead - KT22

Enquiry from: Kush R

Start Date: 3+ months

We are looking to do a 40m2 rear extension

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17 Dec

House Extensions

Leatherhead - KT23

Enquiry from: Alison W

Start Date: Immediate

To build above garage a bedroom and bathroom

Post a similar request >

28 Jan

House Extensions

Leatherhead - KT24

Enquiry from: Mike F

Start Date: Immediate

Home Owner I want to extend the garage to make it 500mm longer, by dismantling the doors and adding 500 mm to the front extending the floor roof walls etc. Please Call to Appoint

Post a similar request >

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FAQs

how much does a two storey house extension cost?

If you’re considering adding a two storey house extension, then setting a budget for this project would be a great way to get started. Similar to a rear extension, a two storey extension usually leaves the rest of the building needing some work and, due to its size, this may imply the re-development of the entire house - which is why they can be very costly. Some of the other influencing factors that can have big impact on a two storey house extension cost includes: your location, the size of the build, complexity of the design ( anything beyond the standard build will normally require more expertise and time), the glazing to be incorporated ( the more the glass used in the project, the more the material cost), as well as the team used.

Generally, when it comes to extensions, the major part of the expenses will be made on the build of the project. This is because it doesn’t only cover the material cost but also the contractor’s overhead as well as the daily rates. At this stage, the extension prices can be determined by the standard of the work that’s being done.

For a fairly average room size of about 18 square metre, the two storey extension should cost within the range of £2,500 to £3,000 per square metre - with the range being determined by the finishes incorporated. Therefore, a two storey extension of about 18 square metre should cost within the range of £45,000 to £55,000. However, this is with the assumption that there are standard window sizes, bathroom suits are modest, and without any need for any purpose joinery or glazing. If you wish to include all these extra features you’ll also have to pay more to make the total cost between £70,000 to £80,000.

how to finance a house extension?

Do you want to beautify and increase the value of your home? If yes, a refurb and house extension is definitely a great option to consider. Depending on your home extension project, the value that’ll be added to your home’s resale value varies. However, the cost of completing a house extension project can be huge, so you just might want to consider your financing options. Fortunately, there are various options through which your house extension project can be funded with each having its own pros and cons. Your specific circumstances will determine the one that’s going to work best for you, so let’s take a look at some of the best options to help you fund your project.

• Home Remortgaging

The process whereby a mortgage is transferred from one provider to the other is known as remortgaging. This is usually done to generate funds for a project by entering a more lengthy repayment term commitment when switching. If you want to raise your funds in a quick manner, this process works best.

• Savings

This is a good reason to cultivate a good saving habits. If you’ve been able to save up some mega bucks then you’d probably won’t have to borrow money to finance your house extension.

• Unsecured Loans

If you do not buy into the idea of borrowing more against your property, you may just be able to apply for an unsecured loan especially if you have a good credit record. A secured loan makes use of collaterals like a car or house to serve as a cover for the lender, meanwhile an unsecured loan is based mainly on the credit managing history of the borrower.

• Credit Card

There are some great benefits that comes with financing your small or medium scale extension project with your credit card. Not only does it offer some real lifeline if problems arise during the project, but you can also avoid paying excessive interest on the investment by ensuring your deal has a 0% introductory rate.

how much value does an extension add to your house?

Are you interested in extending your home to create more living space? If yes, then you’d probably want to know how much value it can add to your property in order to compare the building costs to the potential value gain. Well, as long as you know what you’re doing, your house doesn’t necessarily have to be a money pit. So what are your options when talking about home extensions and what’s the associated value to be gained?

• Bathroom Extensions

Although you should have it in mind that bathroom extensions isn’t usually that cheap, but once done, it can increase the value of a standard UK house within the range of £12,000 to £15,000. Meanwhile the finishing cost of a bathroom can range from £2,500 to £7,000.

• Single or Double Storey Extensions

Single storey extensions are always huge when it comes to increasing the value of your home - giving about 4 to 7 percent increase. If it goes that far, then literally nothing beats a full spectrum, double storey extension which can give up to 11 percent increase in the value of a property - equalling about a whooping £33,000 for a standard home in the UK.

• Conservatory Extension

With conservatories becoming more and more popular in the UK due to the weather conditions, several buyers are now including it’s availability as part of the criteria for purchasing a house. Wonder why? This is simply because everyone wants to enjoy their garden all throughout the year. As a result of this high demand, adding this type of extension to your house can go a long way to increase it’s value. However, it’s very important to incorporate high quality materials during construction. With glass conservatories offering, on the average, up to £5,000 increase in value, the cheaper PVC alternative offers much less value and can also deter potential buyers.

What types of extension are there?

There are many different types of extension. For example, you could install an orangery, flat or pitched roof extension, over-structure extension, single or double storey extension or a glass box extension. Which one of these is most suitable will depend on your existing property.

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