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House Extension in city

House extension includes a wide range of advantages that makes it simple to see why the extension could be a great uptick in the possible cost of your home in regards to sales. So if you're wanting to build a brand-new house extension yet still not encouraged regarding the project, we're right here to aid you. Being fully aware any kind of home building and construction work is usually a hefty financial investment, there's a huge need to be set on your choice before scheduling the start of any job. So are house extensions worth it? Below are some of the leading advantages offered by house extensions to aid you determine if it's one of the most suitable path for you.

 

What's Associated with Building an Extension?

The steps will certainly differ depending on the scope of your extension, but you can expect some, if not all, of the listed below to be entailed when including an extension to your residence:

 

  1. Obtaining Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Inspecting your leasehold agreement (if relevant) to see to it you can do what you want to do.
  3. Getting an architect  to draw the plans, considering your planned use ( kitchen area, washroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage service provider to let them understand of the planned job ahead of it starting.
  6. Getting vehicle parking allows if needed for your specialists to guarantee they have easy accessibility to your home.
  7. Making certain all prepared job drops within allowed allowables.
  8. Clearing up the space and excavating if essential, including the removal of trees.
  9. Building job can start.

 

What is the cost of a house extension in city?

If you're thinking about adding a 2 storey house extension, then setting a budget for this project would be a excellent means to begin. Similar to a back extension, a 2 floor extension usually leaves the rest of the structure requiring some job and also, as a result of its size, this might imply the re-development of the whole house - which is why they can be very pricey. Several of the various other affecting factors that can have huge impact on a 2 storey house extension cost includes: your area, the size of the develop, complexity of the style (anything past the basic build will generally require more knowledge as well as time), the glazing to be integrated (the extra the glass used in the job, the much more the product expense), in addition to the group used.

Average House extensions cost in Warlingham

The regular cost of House extensions are £51,667 in Warlingham. Costs vary based upon the materials and the company picked. The upper price range can be as high as £73,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£32,000

Avg. price

Avg. price
£51,667

Avg. price high

Avg. price high
£73,000

£73500

£55125

£36750

£18375

£0

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

House extensions installation cost in Warlingham 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 Warlingham in June 2026

527

Requests for quotations in Warlingham in June 2026

3

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

180

Requests for House extensions quotations in Surrey in June 2026. -25% change from May 2026.

We noted 527 requests for property or home quotes in Warlingham. Of these quote requests the amount of house extensions quotations in Warlingham was 3. Quotatis would have been in a position to match these consumers with as many as 4 suitable installers who were available for work in Warlingham during those times. Request a free property survey from reputable companies within Warlingham.

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

House extensions searches in cities and towns near Warlingham June 2026

40

Requests for quotations in Croydon in June 2026

22

Requests for quotations in South Croydon in June 2026

16

Requests for quotations in Thornton Heath in June 2026

16

Requests for quotations in Mitcham in June 2026

13

Requests for quotations in Coulsdon in June 2026

Warlingham

Warlingham is a town in the Tandridge area of Surrey, England, 14.2 miles (22.9 kilometres) south of the centre of London as well as 22.3 miles (35.9 km) eastern of the county town, Guildford. Warlingham is the centre of a civil parish that consists of Hamsey Green, an adjoining, smaller sized settlement to the north. Caterham is the nearest town, 2.0 miles (3.2 km) to the southwest. The name indicates the home(stead) (-ham) of the fans (-(l)ing) of Waer(l)a. The letters "ae" below are the indicated earlier punctuation of any kind of Anglo-Saxon scribes to signify the sounds, which when Norman scribes changed them was replaced with "a" as in today's orthography. No trace of a local Warra or Warla has been discovered in Norman messages (after 1066), neither of a Waera or Waera in Anglo-Saxon texts (prior to 1066). It is a male's name of the duration which has a comparator in Warrington. Today, a lot of Warlingham's working-age population operates in Croydon or main London, making Warlingham part of the London traveler belt.

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House extensions pros in Warlingham

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.

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 Warlingham

06 Sep

House Extensions

Warlingham - CR6

Enquiry from: Dan W

Start Date: Immediate

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...

Post a similar request >

04 Sep

House Extensions

Warlingham - CR6

Enquiry from: Dan W

Start Date: Immediate

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...

Post a similar request >

01 Sep

House Extensions

Warlingham - CR6

Enquiry from: Dan W

Start Date: Immediate

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...

Post a similar request >

27 Aug

House Extensions

Warlingham - CR6

Enquiry from: Dan W

Start Date: Immediate

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...

Post a similar request >

14 Jun

House Extensions

Warlingham - CR6

Enquiry from: Tracy A

Start Date: Immediate

2 bedroom loft conversion on a bungalow Are you the property owner: Relative of Owner Property Type: Semi detached Do you have planning permission: No Do you have plans drawn up: No Do you require Plu...

Post a similar request >

05 Feb

House Extensions

Warlingham - CR6

Enquiry from: Gill R

Start Date: Immediate

Home Owner Enquirer is looking to extend kitchen, knock down kitchen wall, replace with rsj and then have an orangery built Please call to appoint *

Post a similar request >

17 Oct

House Extensions

Warlingham - CR6

Enquiry from: Harry H

Start Date: 3+ months

Home owner Single story house extension - staying with in the realms of planning permission Create larger Kitchen Basic plans drawn up Time scale 1-3months Contact to Appoint *

Post a similar request >

01 Oct

House Extensions

Warlingham - CR6

Enquiry from: John B

Start Date: Immediate

Side Extention 8mtrs x 2 mtrs Home owner Has Planning permission Please Contact to Appoint *

Post a similar request >

25 Sep

House Extensions

Warlingham - CR6

Enquiry from: Harry H

Start Date: 3+ months

Single storey kitchen extension

Post a similar request >

23 Jun

House Extensions

Warlingham - CR6

Enquiry from: Suzanne M

Start Date: 3+ months

Double storey extension 3x5.5m. Ensuite to new bedroom, downstairs cloakroom. Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Double storey extension Do...

Post a similar request >

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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.

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.

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.

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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