House Extension in city

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House Extension in city

House extension comes with a vast array of benefits that makes it very easy to see why the extension could be a wonderful uptick in the potential rate of your building in regards to sales. So if you're seeking to build a brand-new house extension but still not encouraged regarding the task, we're here to help you. Being completely aware any type of home building and construction job is usually a hefty investment, there's a huge demand to be set on your decision before scheduling the commencement of any work. So are house extensions worth it? Below are several of the leading benefits provided by house extensions to help you determine if it's one of the most suitable course for you.

 

What's Involved in Adding an Extension?

The actions will certainly differ depending upon the extent of your extension, however you can expect some, otherwise all, of the listed below to be entailed when including an expansion to your residence:

 

  1. Getting Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Checking your leasehold agreement (if appropriate) to ensure you can do what you intend to do.
  3. Getting an architect  to create the plans, considering your expected use ( cooking area, bathroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy provider to let them understand of the prepared work ahead of it starting.
  6. Getting vehicle parking allows if required for your specialists to ensure they have very easy access to your house.
  7. Ensuring all prepared job falls within permitted allowables.
  8. Clearing the space as well as digging deep into if required, consisting of the elimination of trees.
  9. Structure job can begin.

 

What is the price of a house extension in city?

If you're thinking about including a 2 floor house extension, then setting a allocate this job would be a wonderful way to begin. Comparable to a back extension, a 2 floor extension usually leaves the remainder of the building needing some work and also, as a result of its dimension, this may imply the re-development of the whole house - which is why they can be really costly. A few of the other influencing factors that can have big effect on a two storey house extension cost consists of: your location, the size of the develop, complexity of the layout (anything beyond the common build will typically require even more knowledge and also time), the glazing to be included (the more the glass utilized in the task, the extra the product price), along with the group used.

Average House extensions cost in Barnstaple

The regular cost of House extensions are £50,000 in Barnstaple. Costs vary based upon the materials and the company picked. The upper price range can be as high as £68,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£42,000

Avg. price

Avg. price
£50,000

Avg. price high

Avg. price high
£68,000

£68500

£51375

£34250

£17125

£0

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

House extensions installation cost in Barnstaple 2026

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

House extensions searches in September 2026

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Barnstaple

The large town of Barnstaple is found in the South West of England, in the region of Devon. The town contains a population of 34,000 and it's one of the leading areas within the county. If you're considering improving your house, be sure you make use of respected professionals in the area to guarantee a great finish for the work you would like completed.

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Similar Customer Enquiries for House extensions in Barnstaple

24 Apr

House Extensions

Barnstaple - EX32

Enquiry from: Jack C

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Semi detached How many bedrooms does the property have: 1-2 Bedrooms Other Forms: Kitchen Design & Installation, House Extension Agreed...

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12 Sep

House Extensions

Barnstaple - EX31

Enquiry from: Denis A

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Detached Other Forms: 45, None Agreed to recieve quotes for selected products: Yes Please call to appoint

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19 Mar

House Extensions

Barnstaple - EX32

Enquiry from: Ian G

Start Date: Immediate

An over garage extension running at a right angle off of the side of the house. Garage walls are double thickness and apparently suitable to build above. Are you the property owner: Owner of the prope...

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10 Feb

House Extensions

Barnstaple - EX31

Enquiry from: Mark K

Start Date: Immediate

single storey extension, including kitchen, extending bedroom and lounge. total 33 m2 Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Ar...

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03 Oct

House Extensions

Barnstaple - EX32

Enquiry from: Veronica J

Start Date: Immediate

convert attached double garage and build above

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29 Feb

House Extensions

Barnstaple - EX31

Enquiry from: C T

Start Date: Immediate

Home Owner Single Storey flat roofed extension to rear of garage of approx. 12ft x 24ft external dimension plus a flat roofed utility room approx. 11ft x 5ft to adjoin extension to rear of existing k...

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18 Oct

House Extensions

Barnstaple - EX31

Enquiry from: Claire C

Start Date: Immediate

extend Kitchen into kitchen/diner

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20 May

House Extensions

Barnstaple - EX31

Enquiry from: G B

Start Date: 3+ months

extension to bed room at rear of bungalow approx 8 sq metres to include gable roof to tie in with existing roof line, block and render finish to match existing walls. to include extension of electric...

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06 May

House Extensions

Barnstaple - EX32

Enquiry from: Jackie R

Start Date: 3+ months

Single story brick extension with a pitched roof, approximate size 3x3.5m. Large floor to ceiling glass doors and picture window. This is the basic requirement, possible extras could include skylight ...

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20 Feb

House Extensions

Barnstaple - EX31

Enquiry from: Jenny F

Start Date: 3+ months

4m x 3m extension at back of house. Drain to be relocated? Solid roof with 2 x skylights. Bifold doors. Homeowner Will need assistance with planning permission Plans will need to be drawn up ...

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FAQs

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.
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.

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 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.

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