House Extension in city

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House Extension in city

House extension comes with a vast array of advantages which makes it easy to see why the extension could be a wonderful uptick in the possible price of your residential or commercial property in terms of sales. So if you're aiming to construct a brand-new home extension but still not convinced about the job, we're here to help you. Being completely conscious any kind of residence building job is usually a heavy investment, there's a significant need to be set on your decision prior to scheduling the start of any type of work. So are house extensions worth it? Below are several of the top advantages supplied by house extensions to assist you choose if it's the most appropriate route for you.

 

What's Involved in Building an Extension?

The actions will differ relying on the extent of your extension, but you can expect some, if not all, of the below to be included when adding an extension to your home:

 

  1. Getting Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Inspecting your leasehold arrangement (if relevant) to make certain you can do what you intend to do.
  3. Hiring an architect  to draw the plans, considering your intended use ( kitchen area, washroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage carrier to let them understand of the prepared job ahead of it beginning.
  6. Obtaining auto parking allows if needed for your specialists to guarantee they have very easy accessibility to your residential property.
  7. Making certain all intended work falls within allowed allowables.
  8. Clearing the area as well as excavating if needed, consisting of the elimination of trees.
  9. Structure work can begin.

 

What is the expense of a house extension in city?

If you're considering including a two storey house extension, then establishing a budget for this job would be a great means to begin. Comparable to a rear extension, a 2 floor extension generally leaves the rest of the building needing some work as well as, due to its dimension, this might imply the re-development of the whole house - which is why they can be extremely expensive. A few of the various other influencing factors that can have large impact on a 2 floor house extension price consists of: your place, the size of the develop, complexity of the layout (anything beyond the basic build will typically call for more know-how and time), the glazing to be incorporated (the more the glass used in the task, the a lot more the product cost), in addition to the team used.

Average House extensions cost in Sevenoaks

The regular cost of House extensions are £50,625 in Sevenoaks. Costs vary based upon the materials and the company picked. The upper price range can be as high as £67,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£36,750

Avg. price

Avg. price
£50,625

Avg. price high

Avg. price high
£67,000

£67500

£50625

£33750

£16875

£0

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

House extensions installation cost in Sevenoaks 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 Sevenoaks in May 2026

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Requests for House extensions quotations in Sevenoaks in May 2026. -100% change from April 2026.

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Requests for House extensions quotations in Kent in May 2026. 9% change from April 2026.

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House extensions searches in cities and towns near Sevenoaks May 2026

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Requests for quotations in Tunbridge Wells in May 2026

Sevenoaks

Sevenoaks is a town as well as civil parish in the English area of Kent. Situated southeast of London, it is offered by a traveler primary line railway and also is 21 miles southeast of London Charing Cross. The community also gives its name to the Sevenoaks area, of which it is the major community, adhered to by Swanley as well as Edenbridge. A settlement in the town can be gone back to the 13th century in a record describing the facility of a market. The building of Knole House in the 15th century additionally aided in the development of the town. Sevenoaks was included into the network of contemporary communications when among the very early turnpikes opened in the 18th century. Having a permanent community of 24,987, a large proportion of homeowners are commuters to London and also major towns nearby. This has actually led to the community being an area with high home prices, with expanding pressure on the city to establish even more homes. However, the Ft Halstead defence setup is a considerable company of residents from Sevenoaks. A contemporary shopping centre can be located in the community's centre. Bligh's Shopping Development, opened in 2002, can be accessed from numerous directions in the town. It includes a variety of shops, consisting of mostly national, but also local, shops. The design of the development is styled on a little earlier periods however with modern elements. Located to the southeast of the community is Knole Park, within which rests Knole House. This is a 1,000 acre deer park with numerous trees, owned and also maintained by the National Trust. For every one of your house upgrades, ensure to use reliable specialists in Sevenoaks to make sure of high quality.

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House extensions pros in Sevenoaks

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.

Options Home Improvements LTD

1 review(s)
Based: in Kent, ME8 0DB

Here at Options Home Improvements we specialize is the bespoke design & installation of PVCu & Aluminium, windows and doors, orangeries & conservatories in Gillingham, Kent & South East area. Options Home Improvements was started due to the seemi...

Latest review

Lisa V., ME1
5

House Extensions in Rochester

I haven't had the extension built yet but am planning to use them

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...

Similar Customer Enquiries for House extensions in Sevenoaks

19 Nov

House Extensions

Sevenoaks - TN15

Enquiry from: Tom W

Start Date: 1 to 3 months

customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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14 Jul

House Extensions

Sevenoaks - TN13

Enquiry from: Louise D

Start Date: Immediate

a side kitchen extension of about 1.5 m x 7 m with roof lights to be added to a victorian semi detached house are you the property owner: owner of the property property type: semi detached looking for...

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18 Dec

House Extensions

Sevenoaks - TN15

Enquiry from: Pierre S

Start Date: 1 to 3 months

Single sorry side extension. Semi-pitched roof 2 x velux/skylight Double glazed french doors to garden 1 window facing street Extension will be kitchen/diner Convert existing kitchen into 1/2 ut...

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09 Dec

House Extensions

Sevenoaks - TN15

Enquiry from: Pierre S

Start Date: 1 to 3 months

Single sorry side extension. Semi-pitched roof 2 x velux/skylight Double glazed french doors to garden 1 window facing street Extension will be kitchen/diner Convert existing kitchen into 1/2 ut...

Post a similar request >

05 Nov

House Extensions

Sevenoaks - TN15

Enquiry from: Richard T

Start Date: 1 to 3 months

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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09 Aug

House Extensions

Sevenoaks - TN15

Enquiry from: Francesca W

Start Date: Immediate

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

Post a similar request >

09 Apr

House Extensions

Sevenoaks - TN13

Enquiry from: Nathan P

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: Yes Do you have plans drawn up: Yes Do you require Plumb...

Post a similar request >

08 Apr

House Extensions

Sevenoaks - TN13

Enquiry from: Maksym S

Start Date: 3+ months

What kind of work are you looking to do? House Extension So, what storey extension are you after? Double Storey Great, do you have plans or planning permission in place? No What kind of work are you ...

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06 Apr

House Extensions

Sevenoaks - TN13

Enquiry from: Nathan P

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: Yes Do you have plans drawn up: Yes Do you require Plumb...

Post a similar request >

03 Apr

House Extensions

Sevenoaks - TN13

Enquiry from: Maksym S

Start Date: 3+ months

What kind of work are you looking to do? House Extension So, what storey extension are you after? Double Storey Great, do you have plans or planning permission in place? No 2 stories, each approx. 40...

Post a similar request >

26 Mar

House Extensions

Sevenoaks - TN13

Enquiry from: Nathan P

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: Yes Do you have plans drawn up: Yes Do you require Plumb...

Post a similar request >

17 Sep

House Extensions

Sevenoaks - TN14

Enquiry from: Mr G

Start Date: Immediate

Single storey to rear of property with pitched roof. This will extend kitchen area. Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are ...

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11 Aug

House Extensions

Sevenoaks - TN15

Enquiry from: Stephen M

Start Date: Immediate

Homeowner Please contact to appoint 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 P...

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08 May

House Extensions

Sevenoaks - TN15

Enquiry from: Tom K

Start Date: Immediate

Demolition of single storey outbuilding (as new footings required). Double storey brick extension (23 square metres) + 3 RSJs to make the ground floor open plan.

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10 Feb

House Extensions

Sevenoaks - TN13

Enquiry from: Verena C

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Other Forms: 17, 45, 63 Agreed to recieve quotes for selected products: Yes Please call to appoint

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29 Dec

House Extensions

Sevenoaks - TN14

Enquiry from: Terry S

Start Date: Immediate

rear extension to house measuring 5m x 3m Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension Do you have planning permission: Yes Do ...

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07 Oct

House Extensions

Sevenoaks - TN15

Enquiry from: Tony S

Start Date: 3+ months

Two storey side extension 4m x 5m

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05 Oct

House Extensions

Sevenoaks - TN15

Enquiry from: Daniel C

Start Date: 3+ months

2 storey extension, 4.5m x 8.5m

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28 Sep

House Extensions

Sevenoaks - TN15

Enquiry from: Andrew C

Start Date: 1 to 3 months

Downstairs extension 21.46sq meters. Pitched roof extending out 3.4 Meters and 6.312 Meters wide. I already have plans if you require these. Are you the property owner: Owner of the property Proper...

Post a similar request >

01 Sep

House Extensions

Sevenoaks - TN15

Enquiry from: J B

Start Date: 3+ months

2 Storey side extension

Post a similar request >

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FAQs

how to finance a house extension?

Do you want to beautify and increase the value of your home? If yes, a refurb and house extension is definitely a great option to consider. Depending on your home extension project, the value that’ll be added to your home’s resale value varies. However, the cost of completing a house extension project can be huge, so you just might want to consider your financing options. Fortunately, there are various options through which your house extension project can be funded with each having its own pros and cons. Your specific circumstances will determine the one that’s going to work best for you, so let’s take a look at some of the best options to help you fund your project.

• Home Remortgaging

The process whereby a mortgage is transferred from one provider to the other is known as remortgaging. This is usually done to generate funds for a project by entering a more lengthy repayment term commitment when switching. If you want to raise your funds in a quick manner, this process works best.

• Savings

This is a good reason to cultivate a good saving habits. If you’ve been able to save up some mega bucks then you’d probably won’t have to borrow money to finance your house extension.

• Unsecured Loans

If you do not buy into the idea of borrowing more against your property, you may just be able to apply for an unsecured loan especially if you have a good credit record. A secured loan makes use of collaterals like a car or house to serve as a cover for the lender, meanwhile an unsecured loan is based mainly on the credit managing history of the borrower.

• Credit Card

There are some great benefits that comes with financing your small or medium scale extension project with your credit card. Not only does it offer some real lifeline if problems arise during the project, but you can also avoid paying excessive interest on the investment by ensuring your deal has a 0% introductory rate.

Should I use concrete or timber footings?

For 2 metre solid fences it’s recommended to use concrete posts to support each panel. For smaller 1 metre fences or for picket fences with gaps between each timber piece you can use timber posts. A fencing contractor will be able to advise you on the best materials from the length and requirements of a new fence.

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.

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Sevenoaks House extensions installers are rated 4.4 out of 5 based on 11 reviews of 76 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 Sevenoaks House extensions contractors

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