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House Extension in city

House extension comes with a variety of benefits which makes it simple to see why the extension could be a fantastic uptick in the potential cost of your building in terms of sales. So if you're seeking to construct a new house extension but still not encouraged about the job, we're right here to assist you. Being totally aware any kind of home building and construction job is normally a heavy investment, there's a massive need to be set on your choice prior to arranging the start of any type of work. So are house extensions worth it? Below are some of the top benefits used by house extensions to aid you decide if it's the most ideal course for you.

 

What's Involved in Adding an Extension?

The actions will certainly differ depending on the range of your extension, yet you can anticipate some, if not all, of the listed below to be entailed when including an expansion to your house:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Examining your leasehold contract (if appropriate) to ensure you can do what you want to do.
  3. Enlisting an architect  to draw up the plans, considering your intended usage ( kitchen area, shower room, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance supplier to let them recognize of the prepared job ahead of it beginning.
  6. Obtaining parking allows if needed for your service providers to guarantee they have easy access to your property.
  7. Seeing to it all prepared work falls within permitted allowables.
  8. Cleaning the area as well as excavating if necessary, including the elimination of trees.
  9. Building job can begin.

 

What is the cost of a house extension in city?

If you're thinking about adding a 2 floor house extension, then establishing a allocate this job would certainly be a excellent way to get going. Comparable to a rear extension, a two floor extension typically leaves the remainder of the building needing some job and, due to its dimension, this may suggest the re-development of the entire house - which is why they can be very expensive. A few of the various other affecting variables that can have big impact on a 2 storey house extension price includes: your area, the size of the build, complexity of the layout (anything beyond the typical build will normally need more know-how and time), the glazing to be incorporated (the extra the glass made use of in the project, the much more the material price), as well as the team made use of.

Average House extensions cost in Belvedere

The regular cost of House extensions are £50,500 in Belvedere. Costs vary based upon the materials and the company picked. The upper price range can be as high as £69,600. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£33,400

Avg. price

Avg. price
£50,500

Avg. price high

Avg. price high
£69,600

£70100

£52575

£35050

£17525

£0

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

House extensions installation cost in Belvedere 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 Belvedere in June 2026

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2

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

120

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

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

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Belvedere

Belvedere is a town of south east London, England within the London Borough of Bexley. It's situated south east of Thamesmead and is located about 12 miles (19 kilometres) southeast of Charing Cross. Belvedere was in Kent, and in terms of the postal system, remains so. It formed part of the Municipal Borough of Erith ahead of 1965 and improvement work occurred prior to the Second World War, with significant renovation after the Blitz. Despite this, Upper Belvedere and the Village still retains a considerable amount of its Victorian and Edwardian charm and character. Upper Belvedere boasts a church and a number of Victorian and Edwardian brick villas. It boasts numerous standard pubs, restaurants and retail outlets. These consist of The Eardley Arms on Woolwich Road, The Vic on Victoria Street, The Royal Standard in the centre of the village as well as the Fox in Belvedere village. Upper Belvedere also boasts a large sized park and a library that was under threat of getting closed as a result of local government cuts. Thankfully closure threats have been averted as a result on the efforts with the local neighbourhood. A new 'Splash Park', which opened its doors in 2005, was a popular addition to the village, having been created on the site of an old Victorian paddling pool. The splash park retains some of the original paddling pool architecture. Between 1898 and 1961, Callender's Cable Works, at the Erith Works, was patron to Callender's Cableworks Band, an amateur brass band made up of employees of the company. The band was a successful broadcaster on BBC Radio in the 1920s and 1930s. For all of your residence upgrades, be sure that you pick trusted professionals in Belvedere to ensure you get an excellent quality service.

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House extensions pros in Belvedere

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...

Similar Customer Enquiries for House extensions in Belvedere

06 Apr

House Extensions

Belvedere - DA17

Enquiry from: Karmen H

Start Date: 1 to 3 months

Approx 3 x 4 bavk extension, already concreted grounds. 3 skylights and two single doors. Customer is currently in the process of looking for quotes to add a Single storey extension to their property...

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27 Jun

House Extensions

Belvedere - DA17

Enquiry from: Eve B

Start Date: Less than one month

Property owner House extensions Supplied and fitted Please call to appoint

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23 Jun

House Extensions

Belvedere - DA17

Enquiry from: Eve B

Start Date: Less than one month

Extension to side of kitchen

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18 Jan

House Extensions

Belvedere - DA17

Enquiry from: Martin B

Start Date: Immediate

Double extension to side of house. approx 8' x 25' 1st floor: Extra double bedroom (new bedroom door and windows) with En-suite (this room is next to an existing bathroom) Bathroom Extended wit...

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22 Dec

House Extensions

Belvedere - DA17

Enquiry from: M O

Start Date: Immediate

Rear extention

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23 Feb

House Extensions

Belvedere - DA17

Enquiry from: Villy V

Start Date: 1 to 3 months

Rear extension by 4.87m x 4.26m over the current sewerage drains Are you the property owner: Owner of the property Looking For: Single storey extension Property Type: Semi detached Do you have p...

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21 Jul

House Extensions

London - SW5

Enquiry from: Arnab D

Start Date: Immediate

customer in london areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via sms at 21/07/2023 22:07.please call to arrange appointmen...

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16 Mar

House Extensions

London - SW11

Enquiry from: Will E

Start Date: Immediate

Extend out back, make kitchen/living space with bifold doors onto garden. Extend on top of this and add a bathroom. Please would you mind giving me a quick call tomorrow to discuss?

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21 Feb

House Extensions

London - SW11

Enquiry from: Will E

Start Date: Immediate

Extend out back, make kitchen/living space with bifold doors onto garden. Extend on top of this and add a bathroom. Please would you mind giving me a quick call tomorrow to discuss?

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25 Aug

House Extensions

London - SW18

Enquiry from: Len D

Start Date: Immediate

a lean to extension 3000mmx 6 000m i have the plans drawn up customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner:...

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21 Apr

House Extensions

London - SW17

Enquiry from: Daniel N

Start Date: 1 to 3 months

customer in london areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via sms and email at 21/04/2021 14:04.please call to arrange ...

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16 Dec

House Extensions

London - SW17

Enquiry from: Syed H

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 as...

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12 Feb

House Extensions

London - SW18

Enquiry from: Laurie M

Start Date: Immediate

Homeowner Please contact to appoint 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 P...

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19 Nov

House Extensions

London - W2

Enquiry from: Pascal I

Start Date: Immediate

Homeowner Please contact to appoint

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03 Aug

House Extensions

London - SW17

Enquiry from: Alan F

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Semi detached Home Owner Call to Appoint

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04 Jun

House Extensions

London - SW17

Enquiry from: Robert R

Start Date: Immediate

Looking For: Double storey extension Do you have planning permission: Yes Are you the property owner: Relative of Owner Property Type: Terrace Do you have plans drawn up: Yes Do you require Plumbing W...

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01 May

House Extensions

London - NW8

Enquiry from: Arvind M

Start Date: Immediate

Extension of 2 storey terraced house to create a new 2 bed flat and renovation of sho front Are you the property owner: Owner of the property Property Type: Terrace Looking For: Double storey extensio...

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09 Apr

House Extensions

London - NW3

Enquiry from: Tim H

Start Date: Immediate

Looking to infill an existing top floor mezzanine level, creating 11sqm of extra floor area and 2 sqm roof terrace. Amending roof pitch to create mansard roof and create extra internal head height. A...

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18 Mar

House Extensions

London - NW3

Enquiry from: Tim H

Start Date: Immediate

Looking to infill an existing top floor mezzanine level, creating 11sqm of extra floor area and 2 sqm roof terrace. Amending roof pitch to create mansard roof and create extra internal head height. A...

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26 Feb

House Extensions

London - SW17

Enquiry from: Helen L

Start Date: Immediate

rear extension about 3.5 x 4.8m and new kitchen

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FAQs

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.
when do you need planning permission for a house extension?

If you’re planning on adding a house extension to your property, you’d probably be worried about whether or not your proposed extension would require a planing permission. Well, it may be relieving to know that not every house extension project would require a formal consent, and in fact, several extensions are covered by the permitted development rights. Not only can this save you a considerable amount of time especially at the project’s planning phase, but it’ll also save you money on the application fee. In the UK, single storey extensions to the house’s rear can be 3 metres deep for both semi detached houses and terraces or 8 metres deep for detached homes.

So how do you know when you’d require a planning permission for your home extension? Well, if your extension plan fits these criteria explained below, then your project is most likely going to be allowable as a permitted development.

• Extensions, which includes previous additions, must not go beyond half of the original house’s total surrounding land area.

• The main elevation, or side elevation where it fronts the highway, must not be extended forward.

• For single storeys, the rear additions must not extend more than the original house’s rear by more than 3 metres in both semi attached homes and terraces (4 metres for detached houses).

• Extensions to the side must be a single storey with a height not exceeding 4 metres and not going beyond 50% of the original house’s width.

• Extensions hat within 2 metres of a boundary should have a eaves height not more than 3 metres.

• Multi storey addition must not extend beyond the original house’s rear wall by a maximum of 3 metres or 7 metres of the boundary opposite the rear wall.

• Permitted development rights do not apply in listed buildings or designated areas.

are house extensions worth it?

Often referred to by many as the holy grail of home improvements, house extension comes with a wide range of benefits which makes it easy to see why the extension could be a great uptick in the potential price of your property in terms of sales. So if you’re looking to build a new home extension but still not convinced about the project, we’re here to help you. Being fully aware any home construction work is usually a heavy investment, there’s a huge need to be set on your decision before scheduling the commencement of any work. So are house extensions worth it? Below are some of the top benefits offered by house extensions to help you decide if it’s the most suitable route for you.

• Add To Your Home’s Value

Building an home extension is a great way to add value to your home before selling. Increasing the living space of your home is an incredible appeal to many buyers which significantly increases your property’s total value. However, you must ensure that the extension is impressively designed using top quality materials in order to generate more value.

• Good Alternative To House Moving

The most common reason for moving is usually due to a lack of sufficient space, but with house prices steadily on the increase a cost effective alternative is highly sought after. This alternative is house extension which creates more space for the household to spread out and have more privacy.

• You May Not Require A Planning Permission

You can extend your house and still not need to apply for a planning permission. To achieve this, simply comply with the laid down rules set under the permitted development rights.

• Extra Living Space

If you fill you’re starting to outgrow your existing structure and do not buy into the idea of moving, then your best bet might just be to extend your home.

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.

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Belvedere House extensions installers are rated 4.3 out of 5 based on 11 reviews of 91 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 Belvedere House extensions contractors

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