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House Extension in city

House extension comes with a wide range of benefits that makes it easy to see why the extension could be a wonderful uptick in the prospective rate of your residential or commercial property in regards to sales. So if you're seeking to build a brand-new residence extension yet still not persuaded regarding the job, we're here to help you. Being totally aware any type of home construction work is typically a heavy financial investment, there's a substantial demand to be set on your decision prior to scheduling the commencement of any type of job. So are house extensions worth it? Below are some of the leading benefits offered by house extensions to aid you determine if it's the most appropriate path for you.

 

What's Involved in Adding an Extension?

The steps will vary relying on the extent of your extension, yet you can expect some, if not all, of the below to be entailed when adding an extension to your home:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Examining your leasehold contract (if applicable) to make certain you can do what you intend to do.
  3. Getting an architect  to draw the plans, considering your expected usage ( kitchen area, shower room, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance provider to let them know of the prepared job ahead of it beginning.
  6. Acquiring parking allows if required for your service providers to ensure they have very easy accessibility to your property.
  7. Making certain all planned job drops within allowed allowables.
  8. Clearing up the area and excavating if required, including the removal of trees.
  9. Structure job can begin.

 

What is the cost of a house extension in city?

If you're taking into consideration adding a 2 storey house extension, then establishing a allocate this project would be a wonderful method to get going. Comparable to a rear extension, a two storey extension typically leaves the remainder of the structure requiring some job and also, because of its size, this may suggest the re-development of the whole house - which is why they can be extremely costly. Several of the various other affecting factors that can have huge impact on a two storey house extension cost consists of: your place, the dimension of the construct, intricacy of the design (anything past the typical construct will typically require even more knowledge and also time), the glazing to be incorporated (the extra the glass utilized in the task, the a lot more the material price), along with the group made use of.

Average House extensions cost in Hammersmith and Fulham

The regular cost of House extensions are £62,143 in Hammersmith and Fulham. Costs vary based upon the materials and the company picked. The upper price range can be as high as £91,143. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£34,572

Avg. price

Avg. price
£62,143

Avg. price high

Avg. price high
£91,143

£91700

£68775

£45850

£22925

£0

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

House extensions installation cost in Hammersmith and Fulham 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 Hammersmith and Fulham in August 2026

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Requests for quotations in Hammersmith and Fulham in August 2026

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Requests for House extensions quotations in Hammersmith and Fulham in August 2026. 0% change from July 2026.

1,000

Requests for House extensions quotations in London County in August 2026. 14% change from July 2026.

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

House extensions searches in cities and towns near Hammersmith and Fulham August 2026

27

Requests for quotations in Westminster in August 2026

Hammersmith and Fulham

The London Borough of Hammersmith and Fulham is a London borough in West London, and forms part of Inner London. The borough was formed in 1965 by merging the Metropolitan Borough of Hammersmith along with the Metropolitan Borough of Fulham. It was generally known as the 'London Borough of Hammersmith' until its name was changed on 1 January 1979 by the borough council. The two had been joined together previously as the Fulham District from 1855 to 1886. The borough covers a total area of 6.33 square miles.

In line with population estimates in the middle of 2014, it features a permanent population of around 178365 people. Within this population, around 50 per cent of households are owner-occupiers. Passed through by the east-west main roads of the A4 Great West Road and the A40 Westway, a lot of international corporations have offices inside the borough.

Hammersmith and Fulham is served by a number of London Overground and London Underground stations. The borough is unique in London in housing three professional football clubs: Chelsea, Fulham and Queens Park Rangers. Hammersmith and Fulham consists of 4 theatres and the Lyric Hammersmith, on Lyric Square off King Street, is deemed as one of the most notable theatres outside the West End in London.

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House extensions pros in Hammersmith and Fulham

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.

Nicholas James Construction

7 review(s)
Based: in Bromley, BR1 3AX

From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.

Latest review

Jagdish K., HA3
5

House Extensions in Harrow

Absolutely pleasant appointment. Very patient and polite, listened carefully to detail and more of my background and his...

Tectra Partnership Ltd

1 review(s)
Based: in Slough, SL3 0JE

Latest review

Deepak S., KT10
5

House Extensions in Esher

excellent communication

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 Hammersmith and Fulham

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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05 Sep

House Extensions

London - SW6

Enquiry from: Amanda O

Start Date: Immediate

Glass extension across back of property into garden, approx 2.5 metres out

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13 Mar

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London - W4

Enquiry from: Hoss Z

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design council's application approval are you the property owner: relative of owner

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28 Apr

House Extensions

London - SW6

Enquiry from: Shuhui L

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Glass box extension/conservatory with a dimension of w3.6m x d2m x h3m Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planni...

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06 Feb

House Extensions

London - NW10

Enquiry from: Hruk E

Start Date: Immediate

Are you the property owner: Owner Have you considered getting your windows replaced to match a new conservatory: No Other Forms: House Extension Agreed to receive quotes for selected products: Yes Ple...

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09 Oct

House Extensions

London - W12

Enquiry from: Jennifer R

Start Date: Immediate

Property owner House extension Please call to appoint

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02 Jul

House Extensions

London - NW10

Enquiry from: Nick H

Start Date: Immediate

First floor extension and roofing 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 Prope...

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20 Jan

House Extensions

London - W12

Enquiry from: Omar S

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2 storey extension to the side of the house

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10 Dec

House Extensions

London - W4

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Rectangular single story box with sliding doors down 2 sides

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09 Nov

House Extensions

London - NW10

Enquiry from: Joe L

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Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Relative of Owner Property Type: Other Looking For: Single st...

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19 Sep

House Extensions

London - W4

Enquiry from: Suzie K

Start Date: Immediate

*Homeowner- Arrange a time for 2 weeks House extension Supplied and fitted Please call to appoint

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06 Aug

House Extensions

London - W4

Enquiry from: Rhea H

Start Date: 1 to 3 months

Homeowner Please contact to appoint

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04 Aug

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London - W10

Enquiry from: Araminta L

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24 Jun

House Extensions

London - SW6

Enquiry from: Victor M

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08 Jun

House Extensions

London - NW10

Enquiry from: Susana F

Start Date: Immediate

Single storey extension 5m x 6m Flat roof Foldable Doors for 3 quarters of the extension

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30 May

House Extensions

London - W10

Enquiry from: Justin H

Start Date: Immediate

Homeowner Please contact to appoint Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permission: No Do you have plans...

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20 May

House Extensions

London - NW10

Enquiry from: Susana F

Start Date: Immediate

Single storey extension 5m x 6m Flat roof Foldable Doors for 3 quarters of the extension

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29 Apr

House Extensions

London - W6

Enquiry from: Georgia C

Start Date: Less than one month

Are you the property owner: Owner of the property Looking For: Single storey extension Property Type: Terrace Do you have planning permission: No Do you have plans drawn up: No Do you require Plumbing...

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21 Apr

House Extensions

London - W4

Enquiry from: Saoud M

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We have found a house we like but that needs a couple more features to be an acceptable home for us. Basically we would like to add a ground floor toilet and the house we found has a conservatory that...

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03 Apr

House Extensions

London - W3

Enquiry from: Majaz L

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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: Semi detached Looking Fo...

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FAQs

how big can my house extension be?

The holy grail of home extensions is basically the need for additional space for living as well as leisure. However, before commencing your home extension project, you’d probably want to know just how big your new building can be. In this article, you’ll find the answer to this question which is also frequently asked by many other home or property owners in the UK.

Besides your budget, there are two other major influencing factors that can determine just how much extra room that can be added. These factors include whether you wish to carry out the extension project under Permitted Development rights which is usually for a smaller project or you’d prefer to opt for a larger project which is covered by Planning Permission.

Apart from the limitations in the size of an extension under Permitted Development, the extensions are also a lot more affordable and consumes less time when compared to the extensions under planning permission. So what exactly is the size limit for an extension under Permitted Development and the ones under Planning Permission?

For a single storey extension, the maximum size that can be constructed without having to submit an application for Planning Permission includes:

• An extension should have a maximum length of 6m, if you reside in a terraced home or a semi-detached property.

• Extensions for detached properties can have a maximum length of 8m.

• The extension built must not go beyond half your garden’s area.

• The extension should have a maximum height of 4 metres, but in the event whereby the extension is situated within 2 metres of the boundary of your property, it should not exceed a height of 3 metres.

• The extension should not be higher than the highest part of the existing house’s roof.

are house extensions worth it?

Often referred to by many as the holy grail of home improvements, house extension comes with a wide range of benefits which makes it easy to see why the extension could be a great uptick in the potential price of your property in terms of sales. So if you’re looking to build a new home extension but still not convinced about the project, we’re here to help you. Being fully aware any home construction work is usually a heavy investment, there’s a huge need to be set on your decision before scheduling the commencement of any work. So are house extensions worth it? Below are some of the top benefits offered by house extensions to help you decide if it’s the most suitable route for you.

• Add To Your Home’s Value

Building an home extension is a great way to add value to your home before selling. Increasing the living space of your home is an incredible appeal to many buyers which significantly increases your property’s total value. However, you must ensure that the extension is impressively designed using top quality materials in order to generate more value.

• Good Alternative To House Moving

The most common reason for moving is usually due to a lack of sufficient space, but with house prices steadily on the increase a cost effective alternative is highly sought after. This alternative is house extension which creates more space for the household to spread out and have more privacy.

• You May Not Require A Planning Permission

You can extend your house and still not need to apply for a planning permission. To achieve this, simply comply with the laid down rules set under the permitted development rights.

• Extra Living Space

If you fill you’re starting to outgrow your existing structure and do not buy into the idea of moving, then your best bet might just be to extend your home.

Can an extension add value to my home?

Yes. Most extensions will add substantial value to your home, and you may find that the extension adds more value than it cost. However, it’s important to be sure that the home remains balanced. Extending your garage and leaving your property with no parking spaces, for example, may impact your ability to sell.

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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Hammersmith and Fulham House extensions installers are rated 4.5 out of 5 based on 17 reviews of 145 pros.
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