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House Extension in city

House extension includes a wide variety of benefits which makes it simple to see why the extension could be a terrific uptick in the potential cost of your property in regards to sales. So if you're seeking to build a brand-new home extension but still not convinced about the project, we're right here to assist you. Being completely conscious any kind of home construction job is generally a hefty 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 several of the leading advantages offered by house extensions to help you make a decision if it's one of the most appropriate course for you.

 

What's Involved in Adding an Extension?

The steps will vary relying on the scope of your extension, but you can anticipate some, if not all, of the below to be entailed when adding an expansion to your residence:

 

  1. Obtaining Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Checking your leasehold contract (if appropriate) to ensure you can do what you intend to do.
  3. Hiring an architect  to draw the plans, considering your intended usage ( cooking area, shower room, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance supplier to let them know of the intended job ahead of it beginning.
  6. Getting auto parking permits if required for your service providers to ensure they have very easy accessibility to your building.
  7. Making certain all prepared job falls within allowed allowables.
  8. Cleaning the space and digging deep into if necessary, including the elimination of trees.
  9. Building job can start.

 

What is the expense of a house extension in city?

If you're thinking about adding a 2 floor house extension, after that setting a allocate this project would be a excellent means to start. Similar to a back extension, a two storey extension typically leaves the remainder of the structure requiring some job as well as, because of its size, this may suggest the re-development of the whole house - which is why they can be extremely pricey. Some of the other influencing factors that can have big impact on a 2 floor house extension price consists of: your place, the dimension of the build, intricacy of the layout (anything past the conventional construct will normally call for even more knowledge and also time), the glazing to be integrated (the more the glass used in the task, the a lot more the material price), as well as the team utilized.

Average House extensions cost in Southall

The regular cost of House extensions are £51,667 in Southall. 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 Southall, as reported by local LeadsDoWork members.

House extensions installation cost in Southall 2026

Labour cost £27,000
Material cost £10,500
Waste removal £2,500
Time frame: 10-14 weeks
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House extensions on Google in Southall

Google searches that showed Local Quotes, 18 July to 15 October 2026

4,264

Searches that showed one of our pages for Southall, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

House extensions searches near Southall, 18 July to 15 October 2026

172

Searches that showed our page for Greenford

Southall

The large suburban area of Southall in west London possesses a population over 60,000 and is also identified as amongst London's 35 main centres. The town neighbours various other Greater London regions of Yeading, Hayes, Heston and Greenford. With a selection of houses all through the region, make sure to employ vetted professionals for any improvement work and ensure top quality finish and also a great price.

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House extensions pros in Southall

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 Extension in London

Great consultation by Catalin Spent a lot of time with us understanding the project and various options.

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 Extension in Hemel Hempstead

No quote received

Tectra Partnership Ltd

1 review(s)
Based: in Slough, SL3 0JE

Latest review

Deepak S., KT10
5

House Extension in Esher

excellent communication

JPA Building Construction LTD

1 review(s)
Based: in Twickenham , TW1 1AG

Latest review

Rosa S., SE20
5

House Extension in London

Very nice and helpful unfortunately I am looking for a builder who lives nearby my property

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FAQs

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 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.

how to finance a house extension?

Do you want to beautify and increase the value of your home? If yes, a refurb and house extension is definitely a great option to consider. Depending on your home extension project, the value that’ll be added to your home’s resale value varies. However, the cost of completing a house extension project can be huge, so you just might want to consider your financing options. Fortunately, there are various options through which your house extension project can be funded with each having its own pros and cons. Your specific circumstances will determine the one that’s going to work best for you, so let’s take a look at some of the best options to help you fund your project.

• Home Remortgaging

The process whereby a mortgage is transferred from one provider to the other is known as remortgaging. This is usually done to generate funds for a project by entering a more lengthy repayment term commitment when switching. If you want to raise your funds in a quick manner, this process works best.

• Savings

This is a good reason to cultivate a good saving habits. If you’ve been able to save up some mega bucks then you’d probably won’t have to borrow money to finance your house extension.

• Unsecured Loans

If you do not buy into the idea of borrowing more against your property, you may just be able to apply for an unsecured loan especially if you have a good credit record. A secured loan makes use of collaterals like a car or house to serve as a cover for the lender, meanwhile an unsecured loan is based mainly on the credit managing history of the borrower.

• Credit Card

There are some great benefits that comes with financing your small or medium scale extension project with your credit card. Not only does it offer some real lifeline if problems arise during the project, but you can also avoid paying excessive interest on the investment by ensuring your deal has a 0% introductory rate.

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.

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