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House Extension in city

House extension features a wide range of benefits which makes it very easy to see why the extension could be a great uptick in the possible price of your building in terms of sales. So if you're seeking to develop a new residence extension but still not convinced regarding the task, we're below to help you. Being completely aware any kind of home building and construction work is normally a heavy investment, there's a huge demand to be set on your decision prior to arranging the commencement of any work. So are house extensions worth it? Below are some of the leading benefits offered by house extensions to aid you choose if it's one of the most suitable route for you.

 

What's Involved in Adding an Extension?

The steps will vary depending upon the extent of your extension, yet you can anticipate some, otherwise all, of the listed below to be entailed 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. Inspecting your leasehold arrangement (if suitable) to make sure you can do what you wish to do.
  3. Employing an architect  to draw the plans, considering your planned usage ( cooking area, washroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance policy company to let them recognize of the planned work ahead of it starting.
  6. Obtaining car parking allows if needed for your professionals to guarantee they have very easy accessibility to your residential property.
  7. Seeing to it all prepared work drops within allowed allowables.
  8. Cleaning the space and also digging deep into if necessary, consisting of the elimination of trees.
  9. Building job can begin.

 

What is the cost of a house extension in city?

If you're considering including a two storey house extension, then establishing a budget for this project would certainly be a terrific way to start. Similar to a back extension, a two storey extension generally leaves the rest of the building needing some job and, as a result of its size, this may suggest the re-development of the whole house - which is why they can be really expensive. Several of the various other influencing variables that can have huge impact on a 2 floor house extension price consists of: your area, the dimension of the build, intricacy of the style (anything past the conventional develop will usually call for more proficiency and time), the glazing to be integrated (the extra the glass utilized in the task, the a lot more the product price), along with the group utilized.

Average House extensions cost in Hackney

The regular cost of House extensions are £53,000 in Hackney. 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 Hackney, as reported by local LeadsDoWork members.

House extensions installation cost in Hackney 2025

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

House extensions searches in May 2025

House extensions Projects in Hackney in April 2025

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Requests for quotations in Hackney in April 2025

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Requests for House extensions quotations in Hackney in April 2025. 0% change from March 2025.

1,000

Requests for House extensions quotations in London County in April 2025. 14% change from March 2025.

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

House extensions searches in cities and towns near Hackney April 2025

720

Requests for quotations in London in April 2025

Hackney

The London Borough of Hackney is a north east London Borough within Inner London in the United Kingdom. Southern and eastern parts of the borough are popularly, but unofficially, regarded as being a part of east London, with northern and western areas regarded to belong to north London. The London Plan, issued by the Greater London Authority, assigns whole boroughs to sub-regions for statutory monitoring, engagement and resource allocation purposes. The most recent 2011 iteration of this program assigns Hackney towards the 'East' sub-region, even though the 2008 and 2004 versions assigned the borough to 'North' and 'East' sub-regions respectively.

Hackney is bounded by Islington to the west, Haringey to the north, Waltham Forest to the north-east, Newham towards the east, Tower Hamlets towards the south-east along with the City of London to the south-west. It covers a total area of 7.36 square miles. Based on population estimates from 2014, the borough has a permanent population of around 263150 inhabitants. A lot of Hackney retains an inner-city character, but in such locations as Dalston big housing estates have been joined by newly developed gated communities. In South Hackney, close to Victoria Park, terraced Georgian, Victorian and Edwardian housing still survives.

Towards the north of the borough are Upper Clapton and Lower Clapton, Stamford Hill and Stoke Newington. Light industries inside the area surrounding the River Lea employ over 3000 personnel. Some of the area was made use of for the 2012 Summer Olympics.

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House extensions pros in Hackney

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.

Blue SKY Developers Limited

1 review(s)
Based: in London, NW3 6DX

Blue Sky Developers is a registered company in the UK that specialises in all building services you could require. We are based in North London but carry work out all around London.

Latest review

Vikram D., NW7
4

House Extensions in Mill Hill

Very straight and helpful. Provided useful advice and suggestions.

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...

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 Hackney

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Enquiry from: Barbara C

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27 Feb

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We would like a quote on extending the kitchen in the garden probably by 1.5 metres (to neighbour wall) on the side and 1m on the lenth. Looking For: Single storey extension Do you have planning permi...

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06 Jul

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Start Date: 1 to 3 months

Rear kitchen extension. Extending current living space full width 6mx8m to add kitchen/diner. New kitchen required. Current kitchen at other side of the flat will be converted into bedroom. Plea...

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19 Oct

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Enquiry from: Sue B

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

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03 Sep

House Extensions

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Enquiry from: Terence D

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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 Type: Semi detached Looking Fo...

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06 Aug

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28 Jun

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Enquiry from: Hugo S

Start Date: 3+ months

Great, do you have plans or planning permission in place? No So, what storey extension are you after? Single Storey Side return extension, 8m2. Fully-glazed (not Velux) roof over side return. Kitchen...

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29 May

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15 Mar

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Start Date: Less than one month

Are you the property owner: Owner of the property Is this for a Residential or Commerial Building: Domestic Other Forms: 45 Agreed to recieve quotes for selected products: Yes Please call to appoint

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09 Feb

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07 Dec

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single story kitchen extension 8m x 1m with sloped roof with skylights, and a door.

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01 Sep

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I'm looking for quotes to put a one story side extension on a flat. It would be 6 feet wide by 21 feet long. It would also require a small low area to be backfilled. Please email and I can include flo...

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03 Aug

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London - E8

Enquiry from: Tanya M

Start Date: Immediate

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04 Jul

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London - E8

Enquiry from: Alexandra M

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We are looking to do a 1 storey extension, 3-4m x 5m. Aprox 15-20sqm. The extension is likely to be built out of brick, with a flat roof and sky lights. The external doors will be a sliding door syste...

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24 Oct

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Enquiry from: Evadne S

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We need to remove and existing outhouse and replace it with a new one that is slightly larger

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FAQs

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.

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.

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.

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