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House Extension in city

House extension comes with a vast array of benefits that makes it simple to see why the extension could be a fantastic uptick in the prospective cost of your property in terms of sales. So if you're looking to build a new home extension but still not persuaded concerning the project, we're below to aid you. Being completely conscious any kind of home building and construction job is generally a hefty investment, there's a huge need to be set on your choice prior to setting up the start of any type of work. So are house extensions worth it? Below are several of the top advantages provided by house extensions to aid you make a decision if it's the most ideal course for you.

 

What's Associated with Building an Extension?

The actions will certainly differ depending upon the range of your extension, yet you can expect some, otherwise all, of the below to be entailed when adding an extension to your house:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Checking your leasehold contract (if applicable) to see to it you can do what you wish to do.
  3. Employing an architect  to create the plans, considering your intended usage (kitchen, bathroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage carrier to let them understand of the planned job ahead of it beginning.
  6. Obtaining auto parking allows if required for your service providers to guarantee they have simple accessibility to your home.
  7. Ensuring all intended job falls within permitted allowables.
  8. Clearing the area and excavating if required, including the removal of trees.
  9. Structure job can start.

 

What is the expense of a house extension in city?

If you're considering adding a 2 storey house extension, after that establishing a budget for this job would certainly be a excellent method to get started. Comparable to a back extension, a 2 storey extension generally leaves the rest of the structure needing some work as well as, due to its size, this may imply the re-development of the whole house - which is why they can be really expensive. Some of the various other influencing elements that can have large effect on a 2 floor house extension price consists of: your place, the dimension of the build, intricacy of the layout (anything beyond the standard construct will typically need more proficiency and also time), the glazing to be incorporated (the much more the glass made use of in the task, the a lot more the material expense), in addition to the group utilized.

Average House extensions cost in Waltham Forest

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

House extensions installation cost in Waltham Forest 2025

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

House extensions searches in March 2025

House extensions Projects in Waltham Forest in February 2025

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Requests for quotations in Waltham Forest in February 2025

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Requests for House extensions quotations in Waltham Forest in February 2025. 0% change from January 2025.

1,000

Requests for House extensions quotations in London County in February 2025. 14% change from January 2025.

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

House extensions searches in cities and towns near Waltham Forest February 2025

720

Requests for quotations in London in February 2025

Waltham Forest

The London Borough of Waltham Forest is a London borough in north east London, England. The local authority is Waltham Forest London Borough Council. It covers a total area of roughly 14.99 square miles. The borough is positioned in between Epping Forest and Essex in the north, Redbridge in the east, Newham and Hackney in the south, and Haringey and Enfield to the west, where the River Lea and Lea Valley and the surrounding parkland forms a green corridor separating north and east London. Significant districts are Leyton and Leytonstone in the south, Walthamstow at the centre, and Chingford in the north.

As outlined by population estimates from the middle of 2014, Waltham Forest is a borough with a permanent population of about 268020 people. The north and south of the borough, split by the North Circular Road, contrast markedly in terms of ethnicity and socio-economic indicators, with built-up urban districts towards the south having inner-city characteristics, and more affluent residential development to the north with open spaces, parks, and playing fields.

Historically referred to as the seat of the Arts and Crafts Movement under the stewardship of William Morris, Waltham Forest continues to help lots of contemporary artists and art groups. The annual E17 Art Trail, which includes open studios, exhibitions and events, is the most significant art occasion in the borough, and there is certainly now a equivalent event in Leytonstone. Waltham Forest was on the list of six London boroughs that hosted the 2012 Summer Olympics.

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House extensions pros in Waltham Forest

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.

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 Waltham Forest

18 Feb

House Extensions

London - E4

Enquiry from: Mia G

Start Date: Immediate

Would like to get a cost estimate for loft and rear extension for a house that we are looking to purchase on Old Church Road, Chingford.

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23 Aug

House Extensions

London - E4

Enquiry from: Simon F

Start Date: 1 to 3 months

refurbishment of existing extension, including knocking through existing wall between kitchen and backroom; and replacing roof. are you the property owner: owner of the property property type: terrace...

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12 Aug

House Extensions

London - E17

Enquiry from: Richard C

Start Date: Immediate

Dormer loft conversion, two rooms and ensuite shower room

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02 Apr

House Extensions

London - E4

Enquiry from: Marvin B

Start Date: Immediate

homeowner house extension supplied and fitted please call to appoint

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13 Nov

House Extensions

London - E17

Enquiry from: Bashir C

Start Date: Immediate

homeowner house extension please contact to appoint

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31 Oct

House Extensions

London - E4

Enquiry from: Jamie H

Start Date: Immediate

homeowner House extension please call to appoint

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31 Aug

House Extensions

London - E4

Enquiry from: Steven A

Start Date: 1 to 3 months

second floor side and rear extension 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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06 Jul

House Extensions

London - E17

Enquiry from: Victoria J

Start Date: Immediate

House extensions Lead House extensions Lead

i'm at a pre-purchase stage and looking for a quote for a ground floor side infill, first floor bathroom extension outrigger and a loft conversion. i've checked the planning application website and si...

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29 Jun

House Extensions

London - E17

Enquiry from: Victoria J

Start Date: Immediate

House extensions Lead House extensions Lead

i'm at a pre-purchase stage and looking for a quote for a ground floor side infill, first floor bathroom extension outrigger and a loft conversion. i've checked the planning application website and si...

Post a similar request >

01 Jun

House Extensions

London - E11

Enquiry from: Faye R

Start Date: Less than one month

customer in london area has requested that we arrange quotes for their house extension project.miss are considering various options and would like to discuss with a builder directly.please call to dis...

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24 Apr

House Extensions

London - E11

Enquiry from: Oliver L

Start Date: Immediate

we are looking to extend our kitchen/living area with a small rear extension. the wdth of the house at the back is 3.17m and we would be looking to extend out between 2-3m (making the size of the exte...

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07 Apr

House Extensions

London - E11

Enquiry from: Oliver L

Start Date: Immediate

we are looking to extend our kitchen/living area with a small rear extension. the wdth of the house at the back is 3.17m and we would be looking to extend out between 2-3m (making the size of the exte...

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18 Mar

House Extensions

London - E17

Enquiry from: Ms A

Start Date: Immediate

extension built at rear, internal wall knocked down and another wall built. building of downstairs wc and utility redesign kitchen/dining area

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12 Jul

House Extensions

London - E4

Enquiry from: Luciana A

Start Date: Immediate

we are looking to install and front door porch for reasons of safety as well as energy saving (current front door is original and has a lot of gaps around the frame) we have no idea of budget at this ...

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01 Jul

House Extensions

London - E15

Enquiry from: Manivannan R

Start Date: Immediate

need to do planning permission & rear and side extension with kitchen and bathroom are you the property owner: owner of the property property type: terrace looking for: single storey extension do you...

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05 Jun

House Extensions

London - E4

Enquiry from: Sam H

Start Date: Immediate

Rear house extension under permitted development on a semi detached house. extension will be 5m wide. Due to the current kitchen extending 1m further than the dining room, the extension will be 4m dee...

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08 May

House Extensions

London - E4

Enquiry from: Bulent E

Start Date: Immediate

to extend our back wall by arou***. however we would only need the length built as the width would have bifold doors installed. on whatprice we was estimated just over 5,500 for the works. are you the...

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02 Sep

House Extensions

London - E4

Enquiry from: ATUL R

Start Date: Immediate

I have currently a lean-to glass roofed wooden framed conservatory on the side of my semi-detached house and wish to convert this part into side extension including it in to my kitchen (by way of remo...

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28 Aug

House Extensions

London - E11

Enquiry from: Dave D

Start Date: Immediate

I need to build two single garages both about 2.8m wide and about 5m long, there is a concreate base which needs digging up Customer is currently in the process of looking for quotes to add a Single s...

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30 Jun

House Extensions

London - E17

Enquiry from: Giada F

Start Date: Immediate

Rear extension 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: Terrace L...

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FAQs

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.

how big can my house extension be?

The holy grail of home extensions is basically the need for additional space for living as well as leisure. However, before commencing your home extension project, you’d probably want to know just how big your new building can be. In this article, you’ll find the answer to this question which is also frequently asked by many other home or property owners in the UK.

Besides your budget, there are two other major influencing factors that can determine just how much extra room that can be added. These factors include whether you wish to carry out the extension project under Permitted Development rights which is usually for a smaller project or you’d prefer to opt for a larger project which is covered by Planning Permission.

Apart from the limitations in the size of an extension under Permitted Development, the extensions are also a lot more affordable and consumes less time when compared to the extensions under planning permission. So what exactly is the size limit for an extension under Permitted Development and the ones under Planning Permission?

For a single storey extension, the maximum size that can be constructed without having to submit an application for Planning Permission includes:

• An extension should have a maximum length of 6m, if you reside in a terraced home or a semi-detached property.

• Extensions for detached properties can have a maximum length of 8m.

• The extension built must not go beyond half your garden’s area.

• The extension should have a maximum height of 4 metres, but in the event whereby the extension is situated within 2 metres of the boundary of your property, it should not exceed a height of 3 metres.

• The extension should not be higher than the highest part of the existing house’s roof.

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.

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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