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House Extension in city

House extension comes with a wide range of benefits that makes it very easy to see why the extension could be a great uptick in the possible cost of your building in regards to sales. So if you're wanting to develop a brand-new house extension but still not persuaded concerning the task, we're right here to help you. Being completely aware any kind of home building work is usually a hefty financial investment, there's a big need to be set on your decision before setting up the beginning of any type of job. So are house extensions worth it? Below are some of the top advantages offered by house extensions to help you make a decision if it's one of the most ideal course for you.

 

What's Associated with Adding an Extension?

The actions will differ depending upon the range of your extension, yet you can anticipate some, if not all, of the listed below to be involved when adding an expansion to your residence:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Examining your leasehold arrangement (if applicable) to make sure you can do what you want to do.
  3. Employing an architect  to create the plans, considering your planned usage ( kitchen area, restroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage service provider to let them recognize of the planned work ahead of it beginning.
  6. Getting car parking permits if needed for your contractors to guarantee they have very easy accessibility to your house.
  7. Making sure all planned job falls within permitted allowables.
  8. Clearing up the area as well as excavating if required, consisting of the elimination of trees.
  9. Building job can start.

 

What is the expense of a house extension in city?

If you're taking into consideration including a two storey house extension, after that setting a budget for this task would certainly be a great means to get started. Comparable to a rear extension, a 2 storey extension usually leaves the remainder of the building needing some work and also, due to its size, this may suggest the re-development of the whole house - which is why they can be really costly. A few of the various other affecting aspects that can have huge influence on a two floor house extension price consists of: your location, the dimension of the construct, complexity of the design (anything past the conventional build will generally require even more expertise and also time), the glazing to be integrated (the extra the glass used in the job, the much more the product cost), as well as the team utilized.

Average House extensions cost in Chessington

The regular cost of House extensions are £51,667 in Chessington. 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 Chessington, as reported by local LeadsDoWork members.

House extensions installation cost in Chessington 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 Chessington in May 2026

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6

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

180

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House extensions searches in cities and towns near Chessington May 2026

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Chessington

With its name meaning 'hill belonging to [a man named] Cissa', Chessington is an area inside the Royal Borough of Kingston upon Thames within Greater London. Owing to its population of 18973, it is the biggest salient of Greater London into the neighbouring county of Surrey, in accordance with the 2011 Census. Nearby settlements are Tolworth, Ewell, Surbiton, Claygate, Epsom, Oxshott, Leatherhead, Esher, Kingston upon Thames and Worcester Park. Flowing through the area is the Bonesgate Stream, a tributary of the Hogsmill River. A considerably popular attraction to the town is Chessington World of Adventures, a theme park resort that combines Chessington Zoo, which is to the southwest of the area. It is a top theme park resort in Europe, which contains two 4 star hotels, the Safari Hotel and Aztec Hotel, situated in the grounds of the historic Burnt Stub Mansion. Initially built in 1348, the mansion has been a site used by lots of individuals and businesses over time. It became a royalist stronghold throughout the English Civil War, and it later became an inn, and reconstruction work in the 18th century transformed the building into an even grander property. In addition there are numerous countryside activities available in Chessington because of the numerous open spaces from the London Green Belt, for example the 'Chessington Countryside Walk'. There is a Blue plaque to commemorate Enid Blyton, the author who lived at 207 Hook Road in Chessington between 1920 and 1924. Chessington Wood is regularly visited, which includes the source of the Bonesgate Stream. For all of your property upgrades, ensure that that you use trustworthy professionals in Chessington to ensure that you get the best quality.

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House extensions pros in Chessington

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 Chessington

06 Aug

House Extensions

Chessington - KT9

Enquiry from: Stephanie J

Start Date: Immediate

customer in chessington area made an enquiry for house extension online. please call to arrange an appointment to discuss options are you the property owner: owner of the property property type: terr...

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03 Aug

House Extensions

Chessington - KT9

Enquiry from: Stephanie J

Start Date: Immediate

customer in chessington area made an enquiry for house extension online. please call to arrange an appointment to discuss options are you the property owner: owner of the property property type: terr...

Post a similar request >

25 Jul

House Extensions

Chessington - KT9

Enquiry from: Stephanie J

Start Date: Immediate

customer in chessington area made an enquiry for house extension online. please call to arrange an appointment to discuss options are you the property owner: owner of the property property type: terr...

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15 Mar

House Extensions

Chessington - KT9

Enquiry from: Mariusz K

Start Date: 1 to 3 months

Homeowner Please contact to appoint

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06 Jul

House Extensions

Chessington - KT9

Enquiry from: Shirley H

Start Date: Immediate

Wondering what cost would be for a 2nd storey extension approx 10 x 3 metres. Please contact by email. Thank you Are you the property owner: Owner of the property Property Type: Semi detached Looking ...

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10 Nov

House Extensions

Chessington - KT9

Enquiry from: Frank U

Start Date: 1 to 3 months

Outbuilding for gym and home office

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15 Aug

House Extensions

Chessington - KT9

Enquiry from: C

Start Date: Immediate

We would like to do a large extension; we have got permit constructrion Some part need to be demolish and put again

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03 Apr

House Extensions

Chessington - KT9

Enquiry from: L

Start Date: Immediate

Double storey extension 3 metres by 7 pitched roof

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21 Feb

House Extensions

Chessington - KT9

Enquiry from: Shane J

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: Single storey extension to kitchen and living room

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22 Jan

House Extensions

Chessington - KT9

Enquiry from: Sachin P

Start Date: 1 to 3 months

Home owner Semi detached Extension. Possible ground and 1st floor extension - create more living space Assist with plans and planning permission Time scale: 1-3 months *

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21 Aug

House Extensions

Chessington - KT9

Enquiry from: Adel J

Start Date: 1 to 3 months

Home-owner Small single storey extension Create additional living space Help with plans required requires assistance with plans Time scale 1-3 months Contact to Appoint *

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04 Apr

House Extensions

Chessington - KT9

Enquiry from: Adel J

Start Date: 1 to 3 months

homeowner single storey extension requires assistance with plans 1-3 months please contact to appoint *

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27 Mar

House Extensions

Chessington - KT9

Enquiry from: Adel J

Start Date: 3+ months

an extension to the back of house, approximately 3m out Homeowner Will need assistance with planning permission Plans will need to be drawn up Please contact to appoint

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15 Feb

House Extensions

Chessington - KT9

Enquiry from: Jamil I

Start Date: 3+ months

Double Story Side Extension Homeowner Will need assistance with planning permission Plans will need to be drawn up Please contact to appoint

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06 Feb

House Extensions

Chessington - KT9

Enquiry from: Jamil I

Start Date: 3+ months

Double Story Side Extension Homeowner Will need assistance with planning permission Plans will need to be drawn up Please contact to appoint * Are you the property owner: Owner of the propert...

Post a similar request >

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FAQs

Do I need my neighbours’ permission for an extension?

Well the reality is, sometimes, neighbours just don’t get along. With several individuals living in close proximity, it’s little surprise they tend to get on one another’s nerves from time to time. However, there’s a difference between having a tiff and being able to transform your house the way you want without having to obtain your neighbour’s approval.

The short and simple answer to this question is, not necessarily. However, you must first educate yourself by thinking about your extension and how it affects the houses around you. We’d strongly recommend you talk proposals through with your neighbour so as to avoid possible conflicts later. There are a number of reasons why your neighbour can protest to your new home extension plans. Let’s take a look!

 

  • In the event whereby your new extension is blocking their view or providing an unwanted shade on their property. Here, they have a legitimate reason to protest as no one would want their once sunny garden suddenly covered or plummet into shade.
  • In the event where it leads to a loss of privacy. For instance, if your new extension possesses a window which overlooks the neighbour’s property in any way. This is likely to be taken as an invasion of privacy and that has a little to no chance of being a welcomed idea.
  • If it’s a major project and going to take a lot of weeks before completion. The noise generated, especially when your neighbours are enjoying your summer holidays or weekends, can make their gardens not as relaxing as it used to be.
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.

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 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.

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