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House Extension in city

House extension includes a large range of advantages that makes it easy to see why the extension could be a excellent uptick in the prospective price of your residential property in terms of sales. So if you're wanting to construct a new house extension however still not persuaded concerning the task, we're here to help you. Being completely conscious any type of house construction job is normally a heavy investment, there's a substantial demand to be set on your decision prior to arranging the start of any job. So are house extensions worth it? Below are a few of the top advantages offered by house extensions to help you decide if it's one of the most appropriate path for you.

 

What's Involved in Adding an Extension?

The steps will vary depending on the range of your extension, but you can expect some, if not all, of the below to be involved when including an expansion to your residence:

 

  1. Obtaining Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Inspecting your leasehold agreement (if applicable) to make sure you can do what you want to do.
  3. Getting an architect  to draw up the plans, considering your intended use ( cooking area, shower room, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage carrier to allow them know of the prepared work ahead of it starting.
  6. Getting car parking allows if required for your professionals to ensure they have simple accessibility to your residential building.
  7. Making certain all prepared work drops within permitted allowables.
  8. Clearing the area and also digging deep into if necessary, including the removal of trees.
  9. Building job can begin.

 

What is the expense of a house extension in city?

If you're taking into consideration adding a 2 floor house extension, after that establishing a budget for this task would certainly be a terrific method to begin. Comparable to a back extension, a two floor extension typically leaves the rest of the building needing some work as well as, because of its dimension, this might suggest the re-development of the whole house - which is why they can be very pricey. Several of the other influencing factors that can have huge effect on a 2 floor house extension price consists of: your place, the dimension of the build, intricacy of the style (anything beyond the conventional construct will usually require more know-how and time), the glazing to be incorporated (the extra the glass utilized in the job, the more the product expense), in addition to the group utilized.

Average House extensions cost in West Byfleet

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

House extensions installation cost in West Byfleet 2026

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

House extensions searches in July 2026

House extensions Projects in West Byfleet in June 2026

339

Requests for quotations in West Byfleet in June 2026

2

Requests for House extensions quotations in West Byfleet in June 2026. 0% change from May 2026.

180

Requests for House extensions quotations in Surrey in June 2026. -25% change from May 2026.

We noted 339 requests for home quotations within West Byfleet. Of these quote requests the number of house extensions quotations within West Byfleet was 2. Quotatis would have been in a position to match these consumers with as many as four suitable contractors who were available for work in West Byfleet during that time. Request a free property survey from reliable companies within West Byfleet.

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

House extensions searches in cities and towns near West Byfleet June 2026

16

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10

Requests for quotations in Epsom in June 2026

7

Requests for quotations in Walton-on-thames in June 2026

6

Requests for quotations in Addlestone in June 2026

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Requests for quotations in East Molesey in June 2026

West Byfleet

West Byfleet is a town in Surrey which matured around its fairly minor stop on the London & South Western Railway: the station, initially Byfleet and also Woodham, opened up in 1887. More than 1 mile (1.6 km) from the middle ages town of Byfleet, the preliminary focus of a brand-new growth quickly developed its own economy apart from that of a reliant London traveler village as well as spread in a lot of directions to its borders consisting of to the border of the old negotiation, divided by the protected London Orbital motorway today. The first place of worship was devoted in 1912, the church of West Byfleet related to it was established in 1917. The village is bounded to the north by the Basingstoke Canal and also to the eastern by the M25 as well as the Wey Navigation Canal. Creating part of the contiguous advancement centred on London and its 'stockbroker belt' simply outside the M25 motorway, it is 8 miles from London Heathrow and equidistant between the business parks of Woking and Brooklands. In city government it forms a ward on the exact same basis as its parish in the Borough of Woking.

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House extensions pros in West Byfleet

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 West Byfleet

17 May

House Extensions

West Byfleet - KT14

Enquiry from: Elle C

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 pl...

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18 Aug

House Extensions

West Byfleet - KT14

Enquiry from: Chelsey S

Start Date: Less than one month

We have a semi detached 1930's property Looking at several options, Option 1, the ideal option would be double side extension with a single rear extension Option 2, cost for a side and rear ...

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19 Nov

House Extensions

West Byfleet - KT14

Enquiry from: James F

Start Date: Less than one month

Double garage with driveway and gates. Power and water. Apex Roof. Separate from main building. Building method? Open to advice, but prefer traditional. Are you the property owner: Owner of the pro...

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15 Jun

House Extensions

West Byfleet - KT14

Enquiry from: D M

Start Date: 3+ months

Customers description : two storey extension, approx. 5m x 4m Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Double storey extension Do you have planni...

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16 Oct

House Extensions

Lightwater - GU18

Enquiry from: ANTONY A

Start Date: Immediate

GROUND FLOOR EXTENSION, 16 SQUARE METRES, FLAT ROOF

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29 Sep

House Extensions

Bracknell - RG12

Enquiry from: Arian K

Start Date: Immediate

Customer is looking for quotes for House Extension from pros around Bracknell. Please call to arrange appointment to discuss

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14 Feb

House Extensions

Aldershot - GU12

Enquiry from: Pamela F

Start Date: Immediate

First floor side extension. Approx. 23ft x 12ft

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26 Jul

House Extensions

Camberley - GU16

Enquiry from: Zoli Z

Start Date: Immediate

Rear extension 10* 3m will include kitchen and utility room

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29 May

House Extensions

Camberley - GU15

Enquiry from: Jason B

Start Date: 1 to 3 months

potential 6 bedroom new build customer is currently in the process of looking for quotes to add a double storey extension to their property. are you the property owner: owner of the property property...

Post a similar request >

01 May

House Extensions

Camberley - GU15

Enquiry from: Jason B

Start Date: Immediate

potential 6 bedroom new build customer is currently in the process of looking for quotes to add a double storey extension to their property. are you the property owner: owner of the property property...

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11 Apr

House Extensions

Ascot - SL5

Enquiry from: James G

Start Date: Immediate

New build 8,500 sq ft ground plus 2 house

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20 Mar

House Extensions

Camberley - GU16

Enquiry from: Bjarke J

Start Date: Less than one month

a two storey extention of the house that add approx. 4x5 at both levels. alternatively, another option is 5x6 in one level and would like a quote for both. i have a picture of the drawings which i can...

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21 Feb

House Extensions

Bracknell - RG12

Enquiry from: Saj H

Start Date: Immediate

extension of 14 square meters with pitched roof. easy access for digging, install one radiator, 1 socket and pedant light. are you the property owner: owner of the property looking for: single storey ...

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21 Nov

House Extensions

Aldershot - GU12

Enquiry from: Corrin M

Start Date: Less than one month

are you the property owner: owner of the property property type: semi detached agreed to receive quotes for selected products: yes other forms: house extension, painting & decorating please call to a...

Post a similar request >

06 Oct

House Extensions

Farnborough - GU14

Enquiry from: Nadia A

Start Date: Immediate

looking at a possible glass extension roughly 2.5m by 4m and 3/3.5m in height are you the property owner: owner of the property property type: terrace looking for: single storey extension do you have ...

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21 Jul

House Extensions

Farnborough - GU14

Enquiry from: Esi A

Start Date: Immediate

garage extension/conversion

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17 May

House Extensions

Camberley - GU15

Enquiry from: Grainne C

Start Date: Immediate

First floor wrap around extension with planning permission We have the plans drawn up. My husband is a carpenter so he will be managing the build. 60 square meters

Post a similar request >

14 May

House Extensions

Farnborough - GU14

Enquiry from: Parsuram R

Start Date: Immediate

are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: yes how many windows are you looking for: 1 window other forms: house extension agreed...

Post a similar request >

11 Mar

House Extensions

Windlesham - GU20

Enquiry from: Muhammad M

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Other Forms: House Extension, Home Improvements Agreed to receive quotes for selected products: Yes Please call to appoint

Post a similar request >

10 Feb

House Extensions

Sandhurst - GU47

Enquiry from: Graham T

Start Date: Immediate

Are you the home owner of that property? yes Are you replacing an existing porch or is this a new build? new build What material do you require, UPVC? upvc What colour do you want it to be? white I a...

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FAQs

where to start with a house extension?

Have you decided to improve your property instead of moving? The common problem most homeowners face after deciding to embark on a home extension project is not knowing where to start. In this article we’ll walk you through everything you need to consider and put in place before commencement of your home extension project.

• Is the extension worth it?

Before breaking the bank, you must be sure that the project will add good value to your home. In terms of “value, this is not only limited to the financial gain after disposal of the property, but also several other juicy benefits to be derived from extending your home like an extra living space for the household to spread out and more.

• Do you need a planning permission?

Check with your local authority to determine whether or not you’ll require to submit an application. You can also consult a building expert like an architect for advice.

• What are the building regulation?

Even though planning permission can be dodged, you can not avoid building regulations. These regulations are the set national minimum standards for construction and design which you must comply with to ensure the safety of the individuals in and around it.

• Who will design the extension?

You have to decided whether you’ll hire a professional architect to design the extension or not.

• Who will manage the building work?

If your home extension project is designed and built by a professional company, they’ll be responsible for the management. However, if you decide to use an architect or designed it yourself, you’ll have to hire a main contractor to manage the build.

• How to set the budget?

There are so many factors that can affect the cost of an extension, so it’s better to get the costs from your builder before proceeding.

• Do I need yo inform my home insurance firm?

Absolutely! This is very important as the new extension may affect the rebuilding cost of your property which could have an impact on the policy premium.

• Do I need to inform my neighbours?

It’s very important to discuss your plan with your neighbours before applying for a planning permission and communicate about the concerns they might have.

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 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.

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.

House extensions

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West Byfleet House extensions installers are rated 4.3 out of 5 based on 12 reviews of 85 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with House extensions projects that have been connected with House extensions pros to help them. All House extensions contractors All West Byfleet House extensions contractors

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