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House Extension in city

House extension comes with a large range of advantages that makes it very easy to see why the extension could be a excellent uptick in the prospective rate of your building in regards to sales. So if you're seeking to construct a new house extension yet still not encouraged concerning the task, we're right here to aid you. Being fully conscious any house building work is usually a heavy financial investment, there's a massive demand to be set on your decision prior to setting up the start of any type of job. So are house extensions worth it? Below are a few of the leading benefits supplied by house extensions to help you decide if it's one of the most appropriate path for you.

 

What's Associated with Including an Extension?

The steps will certainly differ relying on the extent of your extension, yet you can expect some, if not all, of the listed below to be entailed when adding an extension to your residence:

 

  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 want to do.
  3. Getting an architect  to prepare the plans, considering your expected use ( kitchen area, shower room, research study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy carrier to let them recognize of the prepared work ahead of it starting.
  6. Acquiring parking allows if needed for your service providers to guarantee they have simple accessibility to your house.
  7. Making certain all planned work drops within permitted allowables.
  8. Clearing the space and digging deep into if essential, including the elimination of trees.
  9. Structure job can start.

 

What is the price of a house extension in city?

If you're thinking about including a two storey house extension, after that establishing a budget for this task would be a wonderful way to get going. Similar to a back extension, a 2 storey extension usually leaves the rest of the building requiring some job and also, because of its dimension, this might indicate the re-development of the whole house - which is why they can be extremely pricey. Some of the other affecting elements that can have huge impact on a 2 floor house extension expense consists of: your place, the dimension of the build, intricacy of the layout (anything past the basic construct will normally call for even more know-how and also time), the glazing to be integrated (the much more the glass used in the job, the more the product expense), along with the group used.

Average House extensions cost in Orpington

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

House extensions installation cost in Orpington 2025

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

House extensions searches in April 2025

House extensions Projects in Orpington in March 2025

561

Requests for quotations in Orpington in March 2025

3

Requests for House extensions quotations in Orpington in March 2025. 50% change from February 2025.

120

Requests for House extensions quotations in Kent in March 2025. 9% change from February 2025.

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

House extensions searches in cities and towns near Orpington March 2025

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Orpington

Orpington is a suburban town and electoral ward in the London Borough of Bromley in Greater London, situated at the south eastern side of London's urban sprawl. The London Plan identifies the town as one of the 35 central centres in Greater London. Until the facility of Greater London in 1965, Orpington was administratively in the county of Kent, which is still the postal county for the town. According to the 2011 Census, the population of Orpington is around 15311. Within this population, 52 percent were female and 48 percent were male, with the average age being 42, which is just above the national average age of 40. A large amount of shops can be located on the High Street and in the Walnuts Shopping Centre. A general market is also found in the town, which is open for 3 days a week. A number of restaurants, coffeehouse and pubs are also scattered around the location. Orpington consists of a number of local landmarks. The Parish Church, 'All Saints', was endowed by the Archbishop of Canterbury in 1173. It has experienced some improvements throughout the years, most visibly the loss of the tower and steeple after its damage in a storm in 1809, along with going through extension work in 1957. The town is also the home of a medieval hall house, The Priory, which is believed to have been constructed in the 11th century. Obtained by the Orpington Urban District Council in 1947, it was used as a museum for over 50 years. Its garden creates an alluring public park with a natural pond, the source of the River Cray. For all your home upgrades, make sure to make use of reliable specialists in Orpington to make certain of quality.

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House extensions pros in Orpington

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 Orpington

27 Jul

House Extensions

Orpington - BR6

Enquiry from: Jonathon L

Start Date: Immediate

House extensions Lead House extensions Lead House extensions Lead House extensions Lead House extensions Lead

a 30 sq mtr garden room. (7.3m x 5.3m) open gable design (4mtr & 2.4mtr) plumbing will also be required. design and drawings can also be provided for more detail are you the property owner: owner of t...

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customer made an online enquiry for house extension and confirmed on telephone, sms and email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote. ar...

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10 Feb

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Enquiry from: James L

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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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13 Jan

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Enquiry from: Victor O

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customer in the orpington area made an enquiry a couple of projects including house extension.call anytime and arrange an appointment to discuss. below is some details about this project: are you the ...

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26 Nov

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Enquiry from: Ram C

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Hi there, I am interested in an extension. I would like this to be in line with the current width of the property so looking at something around 6 x 4 m or 6 x 5m. Could you walk me through what yo...

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09 Sep

House Extensions

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Enquiry from: Stefano T

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I would like a rear extension. 6x2,5 meters In Orpington *** Can you please Come for a visit. I would like this built asap

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02 Aug

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Enquiry from: Lyndsae D

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customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.miss lives in the orpington area and would like a call to discuss options.see belo...

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please find the drawings attached, the pdf contains - demolish and build plans - proposed elevations - artistic impressions https://inviewingltd-my.sharepoint.com/:b:/g/personal/stefano_inviewing_com...

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12 Mar

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i wish to convert and extend my garage into a legally habitable space. initially for one storey and later into a 2 storey at a later date. customer is currently in the process of looking for quotes ...

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10 Mar

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Enquiry from: Keshia L

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are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: no other forms: kitchen design & installation, house extension, building maintenance a...

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12 Dec

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good morning, we are looking to add a first floor rear extension to our property. it would sit above the downstairs kitchen and bathroom. the approximate size is 12 m sq (2.5m x 4.8m) customer is cur...

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21 Nov

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Orpington - BR6

Enquiry from: Patrick C

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We are looking for a flat build extension at the back of our house.

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14 Apr

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Orpington - BR6

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Are you the property owner: Owner Have you considered getting your windows replaced to match a new conservatory: No Other Forms: House Extension Agreed to receive quotes for selected products: Yes Ple...

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porch extension

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30 Dec

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Orpington - BR5

Enquiry from: Ben L

Start Date: 1 to 3 months

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: No Do you require Pl...

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FAQs

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.

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.

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.

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.

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