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House Extension in city

House extension features a large range of advantages which makes it very easy to see why the extension could be a terrific uptick in the prospective price of your home in terms of sales. So if you're seeking to construct a brand-new house extension however still not encouraged about the project, we're right here to aid you. Being fully conscious any kind of residence construction job is typically a heavy financial investment, there's a huge demand to be set on your choice before setting up the start of any work. So are house extensions worth it? Below are several of the leading advantages provided by house extensions to help you decide if it's one of the most appropriate course for you.

 

What's Associated with Adding an Extension?

The steps will vary depending upon the scope of your extension, yet you can anticipate some, if not all, of the below to be included when adding an extension to your residence:

 

  1. Acquiring Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Checking your leasehold arrangement (if appropriate) to see to it you can do what you wish to do.
  3. Hiring an architect  to draw the plans, considering your planned usage ( kitchen area, bathroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage company to let them know of the prepared work ahead of it beginning.
  6. Acquiring parking allows if needed for your professionals to guarantee they have easy access to your residential property.
  7. Seeing to it all planned work drops within allowed allowables.
  8. Clearing up the area and digging deep into if essential, including the removal of trees.
  9. Structure work can start.

 

What is the price of a house extension in city?

If you're thinking about adding a two floor house extension, after that setting a allocate this task would be a excellent way to get going. Comparable to a rear extension, a two floor extension usually leaves the remainder of the structure requiring some work as well as, due to its dimension, this may suggest the re-development of the whole house - which is why they can be really pricey. Some of the various other influencing variables that can have large effect on a 2 storey house extension expense consists of: your place, the size of the build, complexity of the style (anything beyond the basic construct will usually need even more expertise and time), the glazing to be integrated (the extra the glass used in the project, the more the product cost), in addition to the group utilized.

Average House extensions cost in Staines-upon-thames

The regular cost of House extensions are £51,667 in Staines-upon-thames. 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 Staines-upon-thames, as reported by local LeadsDoWork members.

House extensions installation cost in Staines-upon-thames 2026

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

House extensions searches in June 2026

House extensions Projects in Staines-upon-thames in May 2026

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Requests for House extensions quotations in Staines-upon-thames in May 2026. 33% change from April 2026.

50

Requests for House extensions quotations in Middlesex in May 2026. 25% change from April 2026.

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

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Staines-upon-thames

Staines-upon-Thames, frequently referenced only as Staines, is a town on the River Thames in the borough of Spelthorne in Surrey. Middlesex is one of the smaller English counties and the majority of it is actually found in the Greater London area. In actual fact, there are actually fewer than one million people residing in Middlesex.

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House extensions pros in Staines-upon-thames

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.

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 Staines-upon-thames

06 Feb

House Extensions

Staines-upon-Thames - TW19

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30 Jan

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Staines-upon-Thames - TW19

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Customer is looking for House Extension quotes. They are unsure of options so would like to discuss. Confirmed interest via Customer lives in Staines-upon-Thames area Please call to arrange an appoi...

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11 Jan

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Staines-upon-Thames - TW18

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02 Jul

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Staines-upon-Thames - TW19

Enquiry from: Shibraa Y

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Loft conversion and extension

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11 Feb

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Lee S

Start Date: Immediate

Are you the property owner: Owner Have you considered getting your windows replaced to match a new conservatory: No Other Forms: Kitchen Design & Installation, House Extension, Gas Boiler Replacement ...

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02 Jan

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Phillip E

Start Date: Less than one month

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: Terrace Looking For: Sin...

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03 Oct

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Staines-upon-Thames - TW18

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27 Jun

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Sam P

Start Date: Immediate

Great, do you have plans or planning permission in place? Yes So, what storey extension are you after? Double Storey Looking for brick & bclockwork up from damp course to roof plate Are you the prope...

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09 Apr

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Iain D

Start Date: 1 to 3 months

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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06 Apr

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Iain D

Start Date: 1 to 3 months

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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28 Mar

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Iain D

Start Date: 1 to 3 months

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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02 Dec

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Bindia D

Start Date: Immediate

Home Owner Terrace/Semi/Detached Suitable Aspect Suitable Room Space No Shading No Obstructions Supplied and Fitted Call to Appoint

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04 Nov

House Extensions

Staines-upon-Thames - TW19

Enquiry from: TAMJID M

Start Date: Less than one month

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

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12 Sep

House Extensions

Staines-upon-Thames - TW19

Enquiry from: Greg S

Start Date: Immediate

Double storey, bathroom and one double bedroom upstairs , kitchen/utility back room downstairs

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16 Feb

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Victoria G

Start Date: 3+ months

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Detached, Work description: Adding another floor to a 3 bed bungalow to create 2 bedrooms upstairs and e...

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08 Sep

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Ayo A

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Do you require Plumbing Work: Yes Interested in Plumbing Quote: Yes Do you require Electrical Work: Yes Interested in Electrical Quote: Yes Wou...

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04 Sep

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Pawel M

Start Date: 1 to 3 months

I currently have a kitchen extension of 3.0m x 5.0m size and I would like to make it bigger to size of 6.0 x 6.0 m. A kitchen would be a bit less than a half of it and a living room more than a half. ...

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31 Aug

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Ayo A

Start Date: 1 to 3 months

Change of kitchen layout and extension Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permission: No Would you req...

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26 Aug

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Preta M

Start Date: 3+ months

Side & rear extension. We additionally need a loft convertion

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25 Jun

House Extensions

Staines-upon-Thames - TW18

Enquiry from: Geoff J

Start Date: 1 to 3 months

either rear extension or front extension Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permission: No Would you req...

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FAQs

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.

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.

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.

House extensions

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