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House extension features a large range of advantages which makes it very easy to see why the extension could be a terrific uptick in the prospective price of your home in terms of sales. So if you're seeking to construct a brand-new house extension however still not encouraged about the project, we're right here to aid you. Being fully conscious any kind of residence construction job is typically a heavy financial investment, there's a huge demand to be set on your choice before setting up the start of any work. So are house extensions worth it? Below are several of the leading advantages provided by house extensions to help you decide if it's one of the most appropriate course for you.

 

What's Associated with Adding an Extension?

The steps will vary depending upon the scope of your extension, yet you can anticipate some, if not all, of the below to be included when adding an extension to your residence:

 

  1. Acquiring Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Checking your leasehold arrangement (if appropriate) to see to it you can do what you wish to do.
  3. Hiring an architect  to draw the plans, considering your planned usage ( kitchen area, bathroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage company to let them know of the prepared work ahead of it beginning.
  6. Acquiring parking allows if needed for your professionals to guarantee they have easy access to your residential property.
  7. Seeing to it all planned work drops within allowed allowables.
  8. Clearing up the area and digging deep into if essential, including the removal of trees.
  9. Structure work can start.

 

What is the price of a house extension in city?

If you're thinking about adding a two floor house extension, after that setting a allocate this task would be a excellent way to get going. Comparable to a rear extension, a two floor extension usually leaves the remainder of the structure requiring some work as well as, due to its dimension, this may suggest the re-development of the whole house - which is why they can be really pricey. Some of the various other influencing variables that can have large effect on a 2 storey house extension expense consists of: your place, the size of the build, complexity of the style (anything beyond the basic construct will usually need even more expertise and time), the glazing to be integrated (the extra the glass used in the project, the more the product cost), in addition to the group utilized.

Average House extensions cost in Staines-upon-thames

The regular cost of House extensions are £51,667 in Staines-upon-thames. 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 Staines-upon-thames, as reported by local LeadsDoWork members.

House extensions installation cost in Staines-upon-thames 2026

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

Staines-upon-Thames, frequently referenced only as Staines, is a town on the River Thames in the borough of Spelthorne in Surrey. Middlesex is one of the smaller English counties and the majority of it is actually found in the Greater London area. In actual fact, there are actually fewer than one million people residing in Middlesex.

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House extensions pros in Staines-upon-thames

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

Will my extension be expensive?

It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.

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 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.

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.

House extensions

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Staines-upon-thames House extensions pros are rated 4.4 out of 5 on average: 14 rated pros, 42 reviews, of 87 pros covering the area.
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 Staines-upon-thames House extensions contractors

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