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House Extension in city

House extension comes with a variety of advantages that makes it simple to see why the extension could be a great uptick in the potential price of your residential or commercial property in regards to sales. So if you're seeking to construct a new home extension yet still not convinced regarding the task, we're right here to help you. Being completely conscious any residence construction work is typically a heavy investment, there's a substantial need to be set on your choice prior to scheduling the commencement of any type of work. So are house extensions worth it? Below are several of the top benefits provided by house extensions to assist you determine if it's the most appropriate path for you.

 

What's Associated with Building an Extension?

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

 

  1. Acquiring Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Examining your leasehold arrangement (if relevant) to see to it you can do what you wish to do.
  3. Enlisting an architect  to create the plans, considering your planned usage ( kitchen area, washroom, research study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy supplier to let them know of the prepared work ahead of it starting.
  6. Obtaining car parking allows if required for your service providers to ensure they have very easy access to your residential property.
  7. Making certain all intended work falls within permitted allowables.
  8. Clearing up the space and also excavating if necessary, consisting of the elimination of trees.
  9. Building work can begin.

 

What is the price of a house extension in city?

If you're thinking about including a two floor house extension, then setting a budget for this job would certainly be a excellent means to start. Comparable to a rear extension, a two storey extension usually leaves the remainder of the building needing some work and, due to its size, this might suggest the re-development of the entire house - which is why they can be very pricey. Several of the other influencing variables that can have large impact on a two floor house extension expense includes: your place, the dimension of the build, intricacy of the layout (anything past the common develop will generally need even more know-how and also time), the glazing to be incorporated (the more the glass used in the project, the more the material cost), as well as the group used.

Average House extensions cost in Redhill

The regular cost of House extensions are £53,750 in Redhill. Costs vary based upon the materials and the company picked. The upper price range can be as high as £74,500. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£35,500

Avg. price

Avg. price
£53,750

Avg. price high

Avg. price high
£74,500

£75000

£56250

£37500

£18750

£0

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

House extensions installation cost in Redhill 2025

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

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Redhill

Redhill is regarded as a town in the borough of Reigate and Banstead in Surrey, England. The town, that adjoins the town of Reigate to the west, is due south of Greater London, and is a section of the London commuter belt. The town is also the post town of along with an entertainment and commercial section of three adjacent communities: Merstham, Earlswood and Whitebushes, as well as a pair of small non-urban villages towards the east in the Tandridge District, Bletchingley and Nutfield.

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House extensions pros in Redhill

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.

Similar Customer Enquiries for House extensions in Redhill

29 Feb

House Extensions

Redhill - RH1

Enquiry from: Sarah H

Start Date: Less than one month

Where possible a two story extension on the side of a small property. Provide additional reception room, bedroom upstairs and expand current bathroom and kitchen. Are you the property owner: Relative...

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21 Feb

House Extensions

Redhill - RH1

Enquiry from: Rebecca G

Start Date: Immediate

Not the property listed above, instead a property I am buying. Looking to do a two storey side extension. Possibly 40sqm footprint. Maximum budget £135,000. Need to know whether this is achievable. A...

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10 Sep

House Extensions

Redhill - RH1

Enquiry from: Toni D

Start Date: Immediate

To build a brick built double garage

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13 Sep

House Extensions

Redhill - RH1

Enquiry from: Filiz O

Start Date: 1 to 3 months

Homeowner Please contact to appoint 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 Plumbing Work: ...

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18 May

House Extensions

Redhill - RH1

Enquiry from: Sam Q

Start Date: Immediate

Kitchen extension

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13 Apr

House Extensions

Redhill - RH1

Enquiry from: Tom G

Start Date: Immediate

Homeowner Please contact to appoint

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15 Feb

House Extensions

Redhill - RH1

Enquiry from: Wasif A

Start Date: 1 to 3 months

Customer is currently in the process of looking for quotes to add a Double storey extension to their property. Are you the property owner: Owner of the property Property Type: Semi detached Looking Fo...

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15 Jan

House Extensions

Redhill - RH1

Enquiry from: Sean M

Start Date: Immediate

Two storey rear extension to 2 storey townhouse 2.4x4.5m removing and re installing 1 no existing bi fold doors and 2 no uPVC windows. New extension to comprise dining room in ground floor and two bed...

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18 Sep

House Extensions

Redhill - RH1

Enquiry from: Andrew D

Start Date: Immediate

Side Return Extensions- Existing Dimensions of Galley Kitchen (Bathroom directly above) Looking towards garden - Width 2.8m - Length - 4m - Take down left hand wall extend 1.2-1.5m wider, creating 4x...

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14 Sep

House Extensions

Redhill - RH1

Enquiry from: Andrew D

Start Date: Immediate

Side Return Extensions- Existing Dimensions of Galley Kitchen (Bathroom directly above) Looking towards garden - Width 2.8m - Length - 4m - Take down left hand wall extend 1.2-1.5m wider, creating 4x...

Post a similar request >

04 Feb

House Extensions

Redhill - RH1

Enquiry from: Giles K

Start Date: 1 to 3 months

We are looking to build a single storey extension on the back of our house. Thinking 15-20m2. The plan will be to convert the existing room into a kitchen and create a dining room from the extension. ...

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29 Jan

House Extensions

Redhill - RH1

Enquiry from: Kay P

Start Date: Less than one month

Open planning between kitchen and conservatory (conservatory will be knock down) to become dinning room and toilet need to move maybe under the stairs or study room not sure need help with design plea...

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17 Oct

House Extensions

Redhill - RH1

Enquiry from: Claudia R

Start Date: 3+ months

Rear house extention

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17 May

House Extensions

Redhill - RH1

Enquiry from: A

Start Date: Immediate

We are looking to purchase this property and are wanting costs for adding a double level extension on the side of the existing extension. The external space is about 2.5m by 3.3m. We would like a pitc...

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02 Jan

House Extensions

Redhill - RH1

Enquiry from: Alice B

Start Date: Immediate

Two story wrap around extension (rear and side) on a three bedroom end of terrace property.

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02 Jan

House Extensions

Redhill - RH1

Enquiry from: David B

Start Date: Immediate

We having planning permission to build a two story wrap-around extension on our property

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09 Oct

House Extensions

Redhill - RH1

Enquiry from: Collins I

Start Date: Immediate

We are hoping to expand above our double garage. 5mx 8m, to have 1 extra bedroom Study, Family room , family bathroom, and additional WC etc. Are you the property owner: Owner of the property Proper...

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03 Sep

House Extensions

Redhill - RH1

Enquiry from: I R

Start Date: Immediate

Home owner Two story extension with a pitch roof. Extension on a car port between existing garage and the house measuring 10 feet x 28 feet Plans and Planning permission in place Time scale: Less...

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13 Aug

House Extensions

Redhill - RH1

Enquiry from: I R

Start Date: Immediate

Home owner Two story extension with a pitch roof. Extension on a car port between existing garage and the house measuring 10 feet x 28 feet Planning permission in place Time scale: Less than one mo...

Post a similar request >

22 Apr

House Extensions

Redhill - RH1

Enquiry from: Laura B

Start Date: 3+ months

home owner 3 story extension no planning permission should not be a problem no plans 3-6 months Front of house is 2 storey, back is 3 storey. Kitchen is in basement. We are looking for a 3 sto...

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FAQs

how long do house extensions take?

If you’re about to start your house extension project and wondering how long it’ll take to complete, you’re not alone! This is one of the most common questions that’s asked by homeowners in the UK and across the globe. However, there’s no single precise answer for this as there are multiple factors that’ll affect the length of time it’ll take to complete your home extension. These factors include the size of the construction work as well as whether you’re planning to live in the house after completion or otherwise.

For a single extension, the length of time it’ll take to complete the home extension is normally up to 3 months. So let’s break this down:

As you would have expected, the first step to be taken is the preparation of the site. You start by digging out the footing and preparing the foundation which should take about 2 weeks. This is then followed by the damp course installation as well as the fitting of any drains needed around the extension which will also take a further 2 weeks.

The 5th week will be for the construction of the external walls as well as putting the blockwork in place for the provision of the cavity wall insulation. A further 2 weeks after this, will be dedicated to the installation of the roof structure and the internal walls.

It’s at this junction that you’ll call on your weather proof installer to fit in your uPVC windows and doors. Once done, the gas fitters and electricians will have to be on site to connect power to your new extension building. Subsequently, this will be followed by internal wall plastering as well as breaking through your main house. Once the plaster is dried, decorations completed and all the required furniture and units installed, the extension is ready for use.

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.
Should I use concrete or timber footings?

For 2 metre solid fences it’s recommended to use concrete posts to support each panel. For smaller 1 metre fences or for picket fences with gaps between each timber piece you can use timber posts. A fencing contractor will be able to advise you on the best materials from the length and requirements of a new fence.

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.

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