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House Extension in city

House extension features a wide range of benefits that makes it easy to see why the extension could be a great uptick in the prospective cost of your building in terms of sales. So if you're aiming to develop a new residence extension however still not encouraged concerning the project, we're here to help you. Being totally aware any home building work is generally a hefty investment, there's a significant demand to be set on your choice before arranging the start of any kind of job. So are house extensions worth it? Below are some of the leading advantages supplied by house extensions to aid you determine if it's one of the most suitable course for you.

 

What's Associated with Adding an Extension?

The steps will vary relying on the scope of your extension, yet you can anticipate some, if not all, of the listed below to be involved 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 agreement (if appropriate) to make certain you can do what you want to do.
  3. Employing an architect  to draw the plans, considering your expected use ( cooking area, bathroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage service provider to let them understand of the intended job ahead of it starting.
  6. Acquiring auto parking allows if needed for your professionals to guarantee they have simple access to your residential building.
  7. Making certain all intended job falls within permitted allowables.
  8. Clearing up the area as well as excavating if needed, including the elimination of trees.
  9. Building job can begin.

 

What is the cost of a house extension in city?

If you're thinking about adding a 2 storey house extension, after that setting a allocate this job would certainly be a fantastic means to get going. Comparable to a back extension, a 2 floor extension generally leaves the rest of the structure needing some work and also, as a result of its size, this may imply the re-development of the whole house - which is why they can be extremely pricey. A few of the various other affecting aspects that can have large impact on a 2 storey house extension expense consists of: your area, the dimension of the build, intricacy of the layout (anything past the basic develop will normally call for even more expertise and time), the glazing to be included (the much more the glass made use of in the project, the much more the material expense), as well as the team used.

Average House extensions cost in Southend-on-sea

The regular cost of House extensions are £50,625 in Southend-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 Southend-on-sea, as reported by local LeadsDoWork members.

House extensions installation cost in Southend-on-sea 2026

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

House extensions searches in June 2026

House extensions Projects in Southend-on-sea in May 2026

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Requests for quotations in Southend-on-sea in May 2026

18

Requests for House extensions quotations in Southend-on-sea in May 2026. -10% change from April 2026.

90

Requests for House extensions quotations in Essex in May 2026. -10% change from April 2026.

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

House extensions searches in cities and towns near Southend-on-sea May 2026

18

Requests for quotations in Southend-on-sea in May 2026

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Southend-on-sea

The Essex sea side resort has a population near to 175,000 and is found on the northern side of the Thames Estuary. Not just is the large town home to the UK's lengthiest leisure pier in the world but Southend is additionally well known for possessing one of London's six key international airports. To make sure your home developments are performed to a good standard, review quotations from local and vetted industry experts.

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House extensions pros in Southend-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 Southend-on-sea

14 Jul

House Extensions

Southend-on-Sea - SS2

Enquiry from: Chloe M

Start Date: 1 to 3 months

double extension, moving bathroom upstairs, utility room with toilet downstairs are you the property owner: tenant (with permission) property type: semi detached looking for: double storey extension d...

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08 Jun

House Extensions

Southend-on-Sea - SS3

Enquiry from: Adam M

Start Date: Immediate

we are looking at getting a small front porch installed with a grey front door a*** window and would like a quotation for the works are you the property owner: owner of the property do you have planni...

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11 May

House Extensions

Southend-on-Sea - SS3

Enquiry from: Marc C

Start Date: Immediate

Remove existing 3x3m conservatory, build new wall 6m long with neighbour, use existing 3m extension wall for other side and then the remaining 3m as slime frame sliding doors, and 3m rear as slim line...

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27 Apr

House Extensions

Southend-on-Sea - SS3

Enquiry from: Marc C

Start Date: Immediate

corner-less/cantilevered 3m x 5m approx extension. Existing 3mx3m conservatory to be removed. Customer is currently in the process of looking for quotes to add a Single storey extension to their prope...

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09 Mar

House Extensions

Southend-on-Sea - SS2

Enquiry from: Faye R

Start Date: Less than one month

We already have a ground floor extension and would like to put a small bathroom and bedroom on top. Customer is currently in the process of looking for quotes to add a Double storey extension to thei...

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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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01 Aug

House Extensions

Southend-on-Sea - SS2

Enquiry from: Faye R

Start Date: Immediate

Homeowner Please contact to appoint Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have plans drawn up: No Do you have planning p...

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09 Apr

House Extensions

Southend-on-Sea - SS2

Enquiry from: Tina F

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Other, Work description: Small extension leading from the kitchen then can be used as a garden room/bedroom

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12 Jan

House Extensions

Southend-on-Sea - SS2

Enquiry from: Viv P

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Semi detached Other Forms: 17, 45 Agreed to recieve quotes for selected products: Yes Please call to appoint

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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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02 Aug

House Extensions

Southend-on-Sea - SS3

Enquiry from: William P

Start Date: Immediate

Extension 4m out by 7m accross with pitched roof on back of bungalow.

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15 Apr

House Extensions

Southend-on-Sea - SS3

Enquiry from: Marc C

Start Date: Immediate

4m x 5m single storey rear extension with flat roof in southend. Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension

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24 Nov

House Extensions

Southend-on-Sea - SS2

Enquiry from: H W

Start Date: 3+ months

Are you the property owner: Owner of the property Is this for a Residential or Commerial Building: Domestic Type of Current Boiler: Gas Other Forms: 336, 45 Agreed to recieve quotes for selected...

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02 Sep

House Extensions

Southend-on-Sea - SS2

Enquiry from: Marie F

Start Date: Immediate

single story rear extension on a three bed, semi detached property

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26 Jun

House Extensions

Southend-on-Sea - SS2

Enquiry from: David S

Start Date: 1 to 3 months

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Semi detached, Work description: 3x3m extension with French doors, radiator and plugs. Including turning an ...

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17 Jun

House Extensions

Southend-on-Sea - SS2

Enquiry from: A W

Start Date: Immediate

property owner Single extension Kitchen/Diner House extension Please call to appoint

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01 Jun

House Extensions

Southend-on-Sea - SS2

Enquiry from: A W

Start Date: Immediate

property owner Single extension Kitchen/Diner House extension Please call to appoint

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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

Post a similar request >

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...

Post a similar request >

19 May

House Extensions

Southend-on-Sea - SS2

Enquiry from: A W

Start Date: Immediate

Single storey rear kitchen extension. Mono pitch red tile roof with 3 velux windows. Approx 3.75m x 6.5m. Single storey side extension replacing current lean to with new utility room. Approx 1.9m x...

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FAQs

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 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.

how big can my house extension be?

The holy grail of home extensions is basically the need for additional space for living as well as leisure. However, before commencing your home extension project, you’d probably want to know just how big your new building can be. In this article, you’ll find the answer to this question which is also frequently asked by many other home or property owners in the UK.

Besides your budget, there are two other major influencing factors that can determine just how much extra room that can be added. These factors include whether you wish to carry out the extension project under Permitted Development rights which is usually for a smaller project or you’d prefer to opt for a larger project which is covered by Planning Permission.

Apart from the limitations in the size of an extension under Permitted Development, the extensions are also a lot more affordable and consumes less time when compared to the extensions under planning permission. So what exactly is the size limit for an extension under Permitted Development and the ones under Planning Permission?

For a single storey extension, the maximum size that can be constructed without having to submit an application for Planning Permission includes:

• An extension should have a maximum length of 6m, if you reside in a terraced home or a semi-detached property.

• Extensions for detached properties can have a maximum length of 8m.

• The extension built must not go beyond half your garden’s area.

• The extension should have a maximum height of 4 metres, but in the event whereby the extension is situated within 2 metres of the boundary of your property, it should not exceed a height of 3 metres.

• The extension should not be higher than the highest part of the existing house’s roof.

where to start with a house extension?

Have you decided to improve your property instead of moving? The common problem most homeowners face after deciding to embark on a home extension project is not knowing where to start. In this article we’ll walk you through everything you need to consider and put in place before commencement of your home extension project.

• Is the extension worth it?

Before breaking the bank, you must be sure that the project will add good value to your home. In terms of “value, this is not only limited to the financial gain after disposal of the property, but also several other juicy benefits to be derived from extending your home like an extra living space for the household to spread out and more.

• Do you need a planning permission?

Check with your local authority to determine whether or not you’ll require to submit an application. You can also consult a building expert like an architect for advice.

• What are the building regulation?

Even though planning permission can be dodged, you can not avoid building regulations. These regulations are the set national minimum standards for construction and design which you must comply with to ensure the safety of the individuals in and around it.

• Who will design the extension?

You have to decided whether you’ll hire a professional architect to design the extension or not.

• Who will manage the building work?

If your home extension project is designed and built by a professional company, they’ll be responsible for the management. However, if you decide to use an architect or designed it yourself, you’ll have to hire a main contractor to manage the build.

• How to set the budget?

There are so many factors that can affect the cost of an extension, so it’s better to get the costs from your builder before proceeding.

• Do I need yo inform my home insurance firm?

Absolutely! This is very important as the new extension may affect the rebuilding cost of your property which could have an impact on the policy premium.

• Do I need to inform my neighbours?

It’s very important to discuss your plan with your neighbours before applying for a planning permission and communicate about the concerns they might have.

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