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House Extension in city

House extension features a wide range of benefits which makes it very easy to see why the extension could be a excellent uptick in the potential cost of your building in regards to sales. So if you're looking to construct a new residence extension but still not encouraged concerning the project, we're below to help you. Being totally conscious any type of residence building and construction job is usually a heavy financial investment, there's a massive requirement to be set on your decision prior to setting up the start of any work. So are house extensions worth it? Below are a few of the top advantages provided by house extensions to help you decide if it's the most suitable course for you.

 

What's Associated with Building an Extension?

The steps will certainly differ depending on the range of your extension, but you can anticipate some, otherwise all, of the below to be entailed when adding an extension to your house:

 

  1. Acquiring Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Examining your leasehold arrangement (if appropriate) to see to it you can do what you intend to do.
  3. Getting an architect  to create the plans, considering your intended use (kitchen, washroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage supplier to let them understand of the prepared work ahead of it starting.
  6. Getting car parking permits if required for your specialists to guarantee they have very easy access to your house.
  7. Making certain all planned job drops within permitted allowables.
  8. Clearing the space and digging deep into if required, consisting of the elimination of trees.
  9. Building job can start.

 

What is the price of a house extension in city?

If you're considering including a 2 floor house extension, after that establishing a budget for this project would be a excellent method to start. Similar to a back extension, a 2 storey extension usually leaves the rest of the structure needing some job and, due to its size, this might suggest the re-development of the entire house - which is why they can be extremely expensive. Some of the other affecting variables that can have large influence on a 2 floor house extension price consists of: your location, the size of the develop, intricacy of the layout (anything past the basic build will typically need even more experience as well as time), the glazing to be included (the much more the glass made use of in the task, the a lot more the material expense), in addition to the group made use of.

Average House extensions cost in Westcliff-on-sea

The regular cost of House extensions are £50,625 in Westcliff-on-sea. Costs vary based upon the materials and the company picked. The upper price range can be as high as £67,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£36,750

Avg. price

Avg. price
£50,625

Avg. price high

Avg. price high
£67,000

£67500

£50625

£33750

£16875

£0

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

House extensions installation cost in Westcliff-on-sea 2026

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

House extensions searches in September 2026

House extensions Projects in Westcliff-on-sea in August 2026

148

Requests for quotations in Westcliff-on-sea in August 2026

1

Requests for House extensions quotations in Westcliff-on-sea in August 2026. 0% change from July 2026.

90

Requests for House extensions quotations in Essex in August 2026. -10% change from July 2026.

We noted 148 requests for property or home quotes within Westcliff-on-sea. Of these quotation requests the number of house extensions quotes within Westcliff-on-sea was 1. Quotatis would have been in a position to match these customers with as many as 4 suitable installers who were available for work within Westcliff-on-sea during that time. Request a free home survey from reliable companies within Westcliff-on-sea.

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

House extensions searches in cities and towns near Westcliff-on-sea August 2026

18

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10

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Requests for quotations in Basildon in August 2026

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Westcliff-on-sea

Westcliff-on-Sea is a residential area of Southend-on-Sea, a seaside resort and unitary authority in Essex in south-east England. It is on the north shore of the reduced Thames Estuary, concerning 34 miles (55 kilometres) east of London. The primary buying location in Westcliff-on-Sea is Hamlet Court Road, where the outlet store Havens, established in 1901, continued to be the anchor store until its closure in 2017. Hamlet Court Road took its name from a manor house called the Hamlet Court, which based on land currently inhabited by Pavarotti's dining establishment and adjacent shops, dealing with towards the sea with sweeping gardens to the railway. The road later on became a strong independent retail area as well as quickly became famous outside the area as the Bond Street of Essex. There were lots of haberdashers and also professional shops, and it was not too uncommon to see chauffeurs awaiting their employers to arise from the stores.

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House extensions pros in Westcliff-on-sea

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 Westcliff-on-sea

15 Dec

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Mona S

Start Date: Immediate

Back of the house extension to make a kitchen

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20 Sep

House Extensions

Southend-on-Sea - SS1

Enquiry from: Darren G

Start Date: Immediate

Considering changing attached brick built garage into one or two storey extension for son Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Double storey exte...

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02 Dec

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Simon T

Start Date: Immediate

Single story extension, 3x5m removing existing conservatory. Plumbing,electrical work

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21 Nov

House Extensions

Southend-on-Sea - SS1

Enquiry from: Victor G

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: Single storey....

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13 Feb

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Graham R

Start Date: Less than one month

put a flat roof between to pitched roofs on the rear of the house 3 metre sp[an 10 metre length sky light in roof window in end wall Customer is currently in the process of looking for quotes to add...

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06 Sep

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Gary C

Start Date: 1 to 3 months

Side extention 2by4m for utilty room with spirell stair case to reach 3 by 1 m extention to exsisting dormer Looking For: Double storey extension Do you have planning permission: No Would you require ...

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01 Jun

House Extensions

Southend-on-Sea - SS1

Enquiry from: Ian T

Start Date: Immediate

Property owner House extension Extension on back of house (3mtr X 4mtr approx) with corner bi-fold doors and toilet Single extension Please call to appoint

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21 May

House Extensions

Southend-on-Sea - SS1

Enquiry from: Ian T

Start Date: Immediate

Extension on back of house (3mtr X 4mtr approx) with corner bi-fold doors and toilet. Are you the property owner: Owner of the property Property Type: Semi detached Do you have planning permission: N...

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28 Apr

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Kay M

Start Date: Immediate

Extension including shower room re-open doorway from kitchen. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permiss...

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08 Feb

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Roberta K

Start Date: Immediate

Looking for a rear extension

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09 Dec

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Rucha N

Start Date: Immediate

2 story rear extension Are you the property owner: Owner of the property Property Type: Detached Looking For: Double storey extension Do you have planning permission: No Would you require assistance...

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20 Oct

House Extensions

Southend-on-Sea - SS1

Enquiry from: Neil H

Start Date: Immediate

Open up and extend the rear of the house knock down internal wall to have open plan kitchen diner.

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17 Mar

House Extensions

Westcliff-on-Sea - SS0

Enquiry from: Sean H

Start Date: Immediate

Home Owner 3 metres x 3 metres extension with pitched roof - window in roof. Please call to appoint

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FAQs

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.

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.

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.

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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