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House Extension in city

House extension includes a variety of advantages which makes it easy to see why the extension could be a fantastic uptick in the possible price of your residential or commercial property in regards to sales. So if you're aiming to build a new home extension but still not convinced about the task, we're here to assist you. Being fully mindful any home construction work is typically a heavy financial investment, there's a huge need to be set on your decision before setting up the commencement of any work. So are house extensions worth it? Below are a few of the leading benefits used by house extensions to assist you make a decision if it's one of the most appropriate route for you.

 

What's Associated with Building an Extension?

The steps will certainly vary depending on the scope of your extension, but you can expect some, if not all, of the listed below to be involved when adding an extension to your home:

 

  1. Getting Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Examining your leasehold agreement (if suitable) to make certain you can do what you intend to do.
  3. Hiring an architect  to draw up the plans, considering your expected usage (kitchen, bathroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage carrier to allow them know of the prepared work ahead of it beginning.
  6. Getting car parking allows if needed for your service providers to ensure they have simple accessibility to your residential building.
  7. Making sure all prepared work falls within permitted allowables.
  8. Clearing up the area as well as excavating if needed, consisting of the removal of trees.
  9. Building job can start.

 

What is the expense of a house extension in city?

If you're taking into consideration adding a two storey house extension, after that establishing a allocate this job would certainly be a wonderful method to start. Comparable to a rear extension, a 2 floor extension normally leaves the rest of the structure requiring some work and also, due to its size, this may suggest the re-development of the entire house - which is why they can be really pricey. A few of the other affecting aspects that can have large effect on a two floor house extension cost includes: your location, the size of the build, complexity of the design (anything beyond the common construct will generally need more experience as well as time), the glazing to be integrated (the extra the glass used in the task, the extra the product price), in addition to the team utilized.

Average House extensions cost in Chertsey

The regular cost of House extensions are £53,750 in Chertsey. Costs vary based upon the materials and the company picked. The upper price range can be as high as £74,500. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£35,500

Avg. price

Avg. price
£53,750

Avg. price high

Avg. price high
£74,500

£75000

£56250

£37500

£18750

£0

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

House extensions installation cost in Chertsey 2025

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

House extensions searches in January 2025

House extensions Projects in Chertsey in December 2024

465

Requests for quotations in Chertsey in December 2024

5

Requests for House extensions quotations in Chertsey in December 2024. -17% change from December 2024.

180

Requests for House extensions quotations in Surrey in December 2024. -25% change from December 2024.

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

House extensions searches in cities and towns near Chertsey December 2024

16

Requests for quotations in Kingston Upon Thames in December 2024

10

Requests for quotations in Epsom in December 2024

7

Requests for quotations in Walton-on-thames in December 2024

6

Requests for quotations in East Molesey in December 2024

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Requests for quotations in Surbiton in December 2024

Chertsey

Chertsey is a town in the Runnymede borough of the English county of Surrey. It's located on the right bank of the River Thames exactly where it meets a corollary, the Abbey River and a tributary, the River Bourne. In accordance with the 2011 Census, the town features a population of around 15967. Being inside a narrow projection of the Greater London Urban Area, encompassed by the Thames and the M25, as well as having a branch line railway, travelling 29 miles to central London is made fairly easy for the town's residents, making Chertsey a commuter town. The town is home to a variety of historic landmarks. Chertsey's built-up area comprises the mediaeval tower and chancel roof of its Anglican church, a sizeable curfew bell, and listed buildings dating back to the 18th century, such as the local pedestrian bridge and Botleys Mansion. Surrounding the landmarks are a number of independent and commercial chain companies, providing a wide selection of hotels, cafes, gift shops, public houses and restaurants, in addition to a church and a museum. The museum hosts the Black Cherry Fair each year, which includes live music performances and refreshments within the museum garden. As a result of the big amounts of open field and green spaces inside the town, further entertainment is provided for residents by the sports and playing fields, the Thames Path National Trail, Chertsey Meads plus a round knoll known as St. Ann's Hill. A particularly desirable amusement for residents and visitors is Thorpe Park, a theme park attached to the town by a frequent bus service and Chertsey station.For all your property upgrades, be sure that you use trustworthy experts in Chertsey to make sure you get the most effective quality.

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House extensions pros in Chertsey

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 Chertsey

18 Nov

House Extensions

Chertsey - KT16

Enquiry from: Priscilla S

Start Date: Less than one month

Are you the property owner: Owner of the property How many windows do you require: What level of service do you require: Supply and fit Other Forms: None Please call to appoint Customer is currently ...

Post a similar request >

15 Nov

House Extensions

Chertsey - KT16

Enquiry from: Priscilla S

Start Date: Less than one month

Are you the property owner: Owner of the property How many windows do you require: What level of service do you require: Supply and fit Other Forms: None Please call to appoint Customer is currently ...

Post a similar request >

12 Nov

House Extensions

Chertsey - KT16

Enquiry from: Priscilla S

Start Date: Less than one month

Are you the property owner: Owner of the property How many windows do you require: What level of service do you require: Supply and fit Other Forms: None Please call to appoint Customer is currently ...

Post a similar request >

24 Sep

House Extensions

Chertsey - KT16

Enquiry from: Deborah D

Start Date: Immediate

Hi We would like to get a ground floor kitchen extension about 6 meters wide & out by 3 meters.. We were hoping to not go over £21K is this possible? We would fir the kitchen ourselves.

Post a similar request >

21 Sep

House Extensions

Chertsey - KT16

Enquiry from: Deborah D

Start Date: Immediate

Hi We would like to get a ground floor kitchen extension about 6 meters wide & out by 3 meters.. We were hoping to not go over £21K is this possible? We would fir the kitchen ourselves.

Post a similar request >

17 Sep

House Extensions

Chertsey - KT16

Enquiry from: Deborah D

Start Date: Immediate

Hi We would like to get a ground floor kitchen extension about 6 meters wide & out by 3 meters.. We were hoping to not go over £21K is this possible? We would fir the kitchen ourselves.

Post a similar request >

03 May

House Extensions

Chertsey - KT16

Enquiry from: Deborah D

Start Date: Immediate

Hi I am enquiring at how much a 1 storey extension 3 meters by about 6 would be. Please email back instead of calling if possible. Many Thanks Deb Are you the property owner: Owner of the pr...

Post a similar request >

17 Nov

House Extensions

Chertsey - KT16

Enquiry from: Luke W

Start Date: Less than one month

*Property owner House extension Supplied and fitted Please call to appoint

Post a similar request >

13 Nov

House Extensions

Chertsey - KT16

Enquiry from: Luke W

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: Semi detached Looking Fo...

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31 May

House Extensions

Chertsey - KT16

Enquiry from: Gareth M

Start Date: Immediate

Single storey rebuild of existing extension to rear of house. Are you the property owner: Owner of the property Looking For: Single storey extension Do you have planning permission: No Do you have pl...

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03 May

House Extensions

Chertsey - KT16

Enquiry from: Mr W

Start Date: Immediate

Front single story extension (porch & bathroom) Remove internal wall to extend kitchen. Remove storage area (2 very small walls approx 1 meter each).

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26 Oct

House Extensions

Chertsey - KT16

Enquiry from: Mrs S

Start Date: 1 to 3 months

Two quotes required: 1.Single storey extension, replacing current garden room. 2.Single storey extension, replacing garden room and extending kitchen. Are you the property owner: Owner of the prop...

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09 Aug

House Extensions

Chertsey - KT16

Enquiry from: N

Start Date: Immediate

2 storey 3m x 11m rear extension Single storey 5m side extension Single storey 2m side extension Renovation of existing interior 4 new bathrooms 1 new kitchen Decoration

Post a similar request >

05 Jul

House Extensions

Chertsey - KT16

Enquiry from: P D

Start Date: 1 to 3 months

Home Owner Extension on Property - create more living space Assist with plans and Planning permission Please call to appoint *

Post a similar request >

17 May

House Extensions

Chertsey - KT16

Enquiry from: RICHARD D

Start Date: Immediate

ground floor extension with planning permission on mid terrace town house Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have pl...

Post a similar request >

05 May

House Extensions

Chertsey - KT16

Enquiry from: P D

Start Date: 1 to 3 months

Home Owner Extension on Property Please call to appoint *

Post a similar request >

22 Jan

House Extensions

Chertsey - KT16

Enquiry from: Carl S

Start Date: Immediate

Rear extension (approx 5x5m) to a mid terrace bungalow with a rear dormer loft conversion. Rear access is available.

Post a similar request >

27 Apr

House Extensions

Chertsey - KT16

Enquiry from: Nathan M

Start Date: 3+ months

2 storey house extension to the back and one storey to each side under permitted development Are you the property owner: Owner of the property Looking For: Double storey extension Property Type: ...

Post a similar request >

31 Jan

House Extensions

Chertsey - KT16

Enquiry from: David K

Start Date: 3+ months

Side extension 4m x 4m. This will be a new lounge area Homeowner Will need assistance with planning permission Plans will need to be drawn up Please contact to appoint

Post a similar request >

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FAQs

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.

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.

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 is a double house extension?

A double house extension is basically a construction to any aspect of your house that elevates up to offer two floors of space. It can be structured to suit your existing home in two storeys or as a side wing on a taller property. If you’re considering building a double house extension, then estimating the cost is a very important task to do before commencing the project. In this article, we’ll give you an idea of the cost of a double house extension so you can estimate yours accordingly.

The double house extension cost depends on several factors that’s specific to your home as well as your design choice. These includes:

• Location of your property. Places like London and the southeast will generally cost more than the other regions due to higher demands.

• Accessibility of the site. The ease of your site’s accessibility also plays a key role in the price.

• Size of the extension. The more the extension’s size in footprint and square metres, the higher the possible costs.

• Materials used in making the roof as well as the complexity of the roof design.

• Your choice of finishing. These includes flooring window and door frames, glazing, underfloor heating and roof lights.

• Your property’s soil type. Different types of soil requires varying treatments as well as materials to develop solid foundations.

Constructing a double house extension is a quite simple build in terms of technicality when its to the side or rear of your house as this can also help you save some money. Generally, considerably expanding your home’s space by building a double house extension will cost within the range of £1,500 per m2 to about £2,800 per m2.

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