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House Extension in city

House extension includes a vast array of benefits which makes it easy to see why the extension could be a fantastic uptick in the potential rate of your residential property in regards to sales. So if you're looking to build a brand-new residence extension however still not persuaded concerning the task, we're here to aid you. Being fully aware any type of residence building and construction job is normally a heavy financial investment, there's a huge requirement to be set on your choice prior to setting up the beginning of any work. So are house extensions worth it? Below are a few of the top benefits supplied by house extensions to aid you decide if it's the most appropriate course for you.

 

What's Involved in Including an Extension?

The actions will certainly vary depending upon the scope of your extension, however you can expect some, otherwise all, of the below to be involved when including an extension 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 appropriate) to make sure you can do what you intend to do.
  3. Enlisting an architect  to draw the plans, considering your planned usage (kitchen, bathroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance supplier to allow them recognize of the intended work ahead of it starting.
  6. Obtaining vehicle parking permits if required for your professionals to ensure they have easy access to your residential property.
  7. Making certain all prepared work drops within allowed allowables.
  8. Cleaning the area and also digging deep into if needed, consisting of the removal of trees.
  9. Structure work can start.

 

What is the cost of a house extension in city?

If you're taking into consideration adding a 2 storey house extension, then setting a budget for this job would be a terrific means to get started. Comparable to a rear extension, a two storey extension generally leaves the remainder of the building requiring some work as well as, as a result of its dimension, this might indicate the re-development of the whole house - which is why they can be extremely expensive. Some of the various other influencing factors that can have huge impact on a two storey house extension price consists of: your area, the dimension of the develop, complexity of the layout (anything past the standard build will generally call for even more know-how and time), the glazing to be incorporated (the much more the glass utilized in the project, the a lot more the material cost), along with the group utilized.

Average House extensions cost in Keston

The regular cost of House extensions are £53,000 in Keston. Costs vary based upon the materials and the company picked. The upper price range can be as high as £75,600. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£32,400

Avg. price

Avg. price
£53,000

Avg. price high

Avg. price high
£75,600

£76100

£57075

£38050

£19025

£0

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

House extensions installation cost in Keston 2025

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

House extensions searches in June 2025

House extensions Projects in Keston in May 2025

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Requests for House extensions quotations in Keston in May 2025. 0% change from April 2025.

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Requests for House extensions quotations in Kent in May 2025. 9% change from April 2025.

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Keston

Keston is both a suburban and rural region, having a population of just about 50,000 and set inside the London Borough of Bromley. It's positioned to the north west of London's boundary with the Kent County. The area carries a spread of modern day plus traditional houses, indicating there are a number of developments required to make certain the continuing upkeep of homes. For the house upgrades in Keston, make sure only to make use of vetted and reputable companies and guarantee a good price along with good quality finish.

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House extensions pros in Keston

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.

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...

LW Building Service

2 review(s)
Based: in London, SE20 8AG

Latest review

Rosa S., SE20
3

House Extensions in London

I have not yet finalised quotation

Similar Customer Enquiries for House extensions in Keston

22 Sep

House Extensions

Bromley, Keston - BR2

Enquiry from: Surlu R

Start Date: Immediate

large garden outbuilding are you the property owner: owner of the property property type: detached looking for: single storey extension do you have planning permission: no do you have plans drawn up: ...

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27 Oct

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Bromley, Keston - BR2

Enquiry from: ROWENA D

Start Date: Immediate

4m x 4m extension

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19 Feb

House Extensions

Bromley, Keston - BR2

Enquiry from: Doug C

Start Date: Immediate

A ground floor extension to the back of the house. I am not sure of exact measurements but would guess 10 metres wide by 5 out.

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03 Jan

House Extensions

Bromley, Keston - BR2

Enquiry from: Chris H

Start Date: Immediate

*Homeowner House extension Please call to appoint

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20 Jun

House Extensions

Bromley, Keston - BR2

Enquiry from: Mrs P

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Semi detached How many bedrooms does the property have: 3-4 Bedrooms Other Forms: 45 Agreed to recieve quotes for selected products: Y...

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19 Mar

House Extensions

Bromley, Keston - BR2

Enquiry from: Shafique B

Start Date: Immediate

Submit your free quote for rated tradespeople

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22 Jan

House Extensions

Bromley, Keston - BR2

Enquiry from: Sumit B

Start Date: Immediate

*Homeowner kitchen / living room extension Supplied and fitted Please call to appoint

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20 Jan

House Extensions

Bromley, Keston - BR2

Enquiry from: Sumit B

Start Date: Immediate

kitchen / living room extension

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12 Oct

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Bromley, Keston - BR2

Enquiry from: David B

Start Date: Immediate

two storey extension to rear of victorian mid terrace house plus loft conversion plus loft conversion and internal reconfiguration to permit stairs to loft

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06 Oct

House Extensions

Bromley, Keston - BR2

Enquiry from: David B

Start Date: Immediate

two storey extension to rear of victorian mid terrace house plus loft conversion plus loft conversion and internal reconfiguration to permit stairs to loft

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01 Oct

House Extensions

Bromley, Keston - BR2

Enquiry from: David B

Start Date: Immediate

two storey extension to rear of victorian mid terrace house plus loft conversion plus loft conversion and internal reconfiguration to permit stairs to loft

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07 Sep

House Extensions

Bromley, Keston - BR2

Enquiry from: Sonia S

Start Date: 1 to 3 months

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Terrace, Work description: I am planning inbuying a house and extend it. This is what I have in mind tak...

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30 Aug

House Extensions

Bromley, Keston - BR2

Enquiry from: Mohamed E

Start Date: 1 to 3 months

Are you the property owner: Owner Have you considered getting your windows replaced to match a new conservatory: No Other Forms: 45, 1 Agreed to recieve quotes for selected products: Yes Please call ...

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08 Aug

House Extensions

Bromley, Keston - BR2

Enquiry from: Roland R

Start Date: 3+ months

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: I would like to get a quote. Single storey front porch,back and side ...

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04 Aug

House Extensions

Bromley, Keston - BR2

Enquiry from: Jess S

Start Date: Immediate

Extension above side extension making additional bedroom and family bathroom

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06 Mar

House Extensions

Bromley, Keston - BR2

Enquiry from: Tony S

Start Date: Less than one month

Rear wall of kitchen is the end wall of house, it includes a sink/window running on one half and then an internal door to a 1.5m utility room. I want to move back wall at sink/window in line with util...

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16 Jan

House Extensions

Bromley, Keston - BR2

Enquiry from: V

Start Date: Immediate

2 story side extension to 1930s semi - to include 1st floor bedroom and bathroom, ground floor kitchen extension & playroom

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08 Jan

House Extensions

Bromley, Keston - BR2

Enquiry from: Ian C

Start Date: Less than one month

Foundation setting and Erection of small pre fab home extension size shape tbc. Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension Do ...

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14 Dec

House Extensions

Bromley, Keston - BR2

Enquiry from: Cong N

Start Date: Immediate

home extension, refurbishing

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09 Nov

House Extensions

Bromley, Keston - BR2

Enquiry from: Divya A

Start Date: Immediate

Double storey side extension and rear extension.

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FAQs

how long do house extensions take?

If you’re about to start your house extension project and wondering how long it’ll take to complete, you’re not alone! This is one of the most common questions that’s asked by homeowners in the UK and across the globe. However, there’s no single precise answer for this as there are multiple factors that’ll affect the length of time it’ll take to complete your home extension. These factors include the size of the construction work as well as whether you’re planning to live in the house after completion or otherwise.

For a single extension, the length of time it’ll take to complete the home extension is normally up to 3 months. So let’s break this down:

As you would have expected, the first step to be taken is the preparation of the site. You start by digging out the footing and preparing the foundation which should take about 2 weeks. This is then followed by the damp course installation as well as the fitting of any drains needed around the extension which will also take a further 2 weeks.

The 5th week will be for the construction of the external walls as well as putting the blockwork in place for the provision of the cavity wall insulation. A further 2 weeks after this, will be dedicated to the installation of the roof structure and the internal walls.

It’s at this junction that you’ll call on your weather proof installer to fit in your uPVC windows and doors. Once done, the gas fitters and electricians will have to be on site to connect power to your new extension building. Subsequently, this will be followed by internal wall plastering as well as breaking through your main house. Once the plaster is dried, decorations completed and all the required furniture and units installed, the extension is ready for use.

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.

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.

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.
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Keston House extensions installers are rated 4.3 out of 5 based on 12 reviews of 122 pros.
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