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House Extension in city

House extension features a variety of benefits which makes it simple to see why the extension could be a terrific uptick in the prospective cost of your residential or commercial property in regards to sales. So if you're seeking to build a brand-new house extension but still not convinced concerning the task, we're below to help you. Being fully mindful any residence building work is normally a hefty financial investment, there's a substantial need to be set on your choice before setting up the start of any kind of job. So are house extensions worth it? Below are some of the top benefits offered by house extensions to aid you decide if it's the most suitable path for you.

 

What's Involved in Including an Extension?

The actions will vary relying on the scope of your extension, yet you can anticipate some, otherwise all, of the below to be included when including an extension to your home:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Inspecting your leasehold agreement (if relevant) to ensure you can do what you wish to do.
  3. Enlisting an architect  to draw up the plans, considering your intended use ( kitchen area, washroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance carrier to allow them recognize of the intended job ahead of it beginning.
  6. Acquiring parking permits if needed for your contractors to guarantee they have simple accessibility to your home.
  7. Seeing to it all prepared work drops within allowed allowables.
  8. Clearing the space and digging deep into if essential, including the removal of trees.
  9. Structure job can start.

 

What is the cost of a house extension in city?

If you're considering adding a 2 storey house extension, after that establishing a budget for this project would certainly be a terrific way to get started. Similar to a rear extension, a 2 floor extension normally leaves the rest of the building needing some job as well as, because of its size, this might indicate the re-development of the entire house - which is why they can be really pricey. Several of the various other influencing elements that can have huge influence on a 2 floor house extension expense consists of: your area, the size of the construct, complexity of the style (anything past the typical build will normally require more proficiency and time), the glazing to be integrated (the extra the glass made use of in the task, the more the material expense), as well as the group utilized.

Average House extensions cost in Hassocks

The regular cost of House extensions are £41,250 in Hassocks. Costs vary based upon the materials and the company picked. The upper price range can be as high as £54,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£33,500

Avg. price

Avg. price
£41,250

Avg. price high

Avg. price high
£54,000

£54500

£40875

£27250

£13625

£0

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

House extensions installation cost in Hassocks 2025

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

House extensions searches in June 2025

House extensions Projects in Hassocks in May 2025

252

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1

Requests for House extensions quotations in Hassocks in May 2025. 0% change from April 2025.

70

Requests for House extensions quotations in West Sussex in May 2025. -13% change from April 2025.

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

House extensions searches in cities and towns near Hassocks May 2025

40

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Requests for quotations in Arundel in May 2025

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Hassocks

Hassocks is a large town as well as civil parish in the Mid Sussex district of West Sussex, England. Its name is thought to derive from the tufts of grass located in the bordering areas. Found around 7 miles (11 kilometres) north of Brighton, with a population of 7,667, the area now occupied by Hassocks was just a collection of small houses and also a training house until the 19th century, when work started on the London to Brighton train. Hassocks until 2000 was simply a postal area as well as before that the name of the train station. The Parishes were called Clayton and Keymer as well as it is believed that when the train was available in 1841 the Parish Councils were provided the chance of naming the terminal. Nevertheless they can not agree and at some point the supervisors of the London, Brighton & South Coast Railway gave up waiting as well as called the station Hassocks Gate themselves. Hassocks has a blend of shops. The village likewise gains from having a well-used community centre called Adastra Hall which is made use of for a wide range of community and private events. The former council buildings housing the road upkeep department on London Road have actually been knocked down as well as have come to be a variety of residences, whilst the land given to the people of Hassocks (via East Sussex County Council) by a benefactor, previously used by a kids's charity, was built upon in 2014/15 the charity having declared possession.

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Similar Customer Enquiries for House extensions in Hassocks

11 Nov

House Extensions

Hassocks - BN6

Enquiry from: James B

Start Date: Immediate

homeowner house extension please call to appoint

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07 Nov

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Hassocks - BN6

Enquiry from: James B

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homeowner house extension please call to appoint

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14 Aug

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Hassocks - BN6

Enquiry from: HOLLy B

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Simple 3 x5 metre extension to rear of house Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: No Do you h...

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01 Jul

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Enquiry from: TANYA W

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BRICK PORCH BUILT Are you the property owner: Owner of the property Do you have planning permission: No What material are you looking for: uPVC What material would you like the roof made from: Tile...

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05 Sep

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Hassocks - BN6

Enquiry from: Gary A

Start Date: 1 to 3 months

Single storey extension to rear of property. Optional second floor extension above previous extension to side of house. Outline layout plans have been prepared. Property is currently rented. Wor...

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16 Apr

House Extensions

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Enquiry from: Alan H

Start Date: Immediate

Ground floor single extension to rear of house approx 4 x 6 metres, incorporating new kitchen ,toilet and utility room.

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04 Jan

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Hassocks - BN6

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Homeonwer house extension Single storey extension Call to appoint

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22 Apr

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Enquiry from: Matt H

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A quote for building works on a property we are trying to buy, based on a previous planning application. All drawings can be provided

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03 Feb

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Worthing - BN14

Enquiry from: Charlie T

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customer is looking for quotes for house extension from pros around worthing. please call to arrange appointment to discuss are you the property owner: owner of the property looking for: single storey...

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20 Dec

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Peacehaven - BN10

Enquiry from: Sally G

Start Date: 1 to 3 months

customer in peacehaven area has requested that we arrange quotes for their house extension project.ms are considering various options and would like to discuss with a builder directly.please call to d...

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15 Apr

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Brighton - BN2

Enquiry from: Vikki R

Start Date: Less than one month

extension at rear of (flat) property to increase living space. are you the property owner: owner of the property property type: other looking for: single storey extension do you have planning permissi...

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08 Feb

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Lancing - BN15

Enquiry from: Larisa S

Start Date: Immediate

customer in the lancing area made an enquiry a couple of projects including house extension.call anytime and arrange an appointment to discuss. below is some details about this project: are you the pr...

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01 Dec

House Extensions

Hove - BN3

Enquiry from: Kamal B

Start Date: Less than one month

customer made an online enquiry for house extension and confirmed on sms and email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote. are you the p...

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06 Oct

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Lancing - BN15

Enquiry from: Amy T

Start Date: Immediate

customer in the lancing area made an enquiry a couple of projects including house extension.call anytime and arrange an appointment to discuss. below is some details about this project: are you the pr...

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15 Mar

House Extensions

Shoreham-by-Sea - BN43

Enquiry from: Richard H

Start Date: Less than one month

i need a bed room i the attic, i already have a room but it doesn’t have the buildings regs. are you the property owner: owner of the property property type: terrace looking for: single storey exten...

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07 Jan

House Extensions

Brighton - BN2

Enquiry from: ELEANOR B

Start Date: Immediate

are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: no other forms: house extension agreed to receive quotes for selected products: yes pl...

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17 Jun

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Worthing - BN12

Enquiry from: Martin F

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i would like quote to replace my front porch are you the property owner: owner of the property do you have planning permission: yes do you have planning permission: no what material are you looking fo...

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03 Mar

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Worthing - BN14

Enquiry from: Izaskun M

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Rear one storage extension

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04 Feb

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Worthing - BN12

Enquiry from: Laurie S

Start Date: Immediate

Are you the home owner of that property? homeowner Are you replacing an existing porch or is this a new build? Replacement What material do you require, UPVC? Composite or wood - quote for both What c...

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10 Jan

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Hove - BN3

Enquiry from: Pavel M

Start Date: Immediate

6x3: 18m2 - 2 story extension + loft space (every floor single room with 2 windows) Email only, NO calls!! Thank you.

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FAQs

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 to finance a house extension?

Do you want to beautify and increase the value of your home? If yes, a refurb and house extension is definitely a great option to consider. Depending on your home extension project, the value that’ll be added to your home’s resale value varies. However, the cost of completing a house extension project can be huge, so you just might want to consider your financing options. Fortunately, there are various options through which your house extension project can be funded with each having its own pros and cons. Your specific circumstances will determine the one that’s going to work best for you, so let’s take a look at some of the best options to help you fund your project.

• Home Remortgaging

The process whereby a mortgage is transferred from one provider to the other is known as remortgaging. This is usually done to generate funds for a project by entering a more lengthy repayment term commitment when switching. If you want to raise your funds in a quick manner, this process works best.

• Savings

This is a good reason to cultivate a good saving habits. If you’ve been able to save up some mega bucks then you’d probably won’t have to borrow money to finance your house extension.

• Unsecured Loans

If you do not buy into the idea of borrowing more against your property, you may just be able to apply for an unsecured loan especially if you have a good credit record. A secured loan makes use of collaterals like a car or house to serve as a cover for the lender, meanwhile an unsecured loan is based mainly on the credit managing history of the borrower.

• Credit Card

There are some great benefits that comes with financing your small or medium scale extension project with your credit card. Not only does it offer some real lifeline if problems arise during the project, but you can also avoid paying excessive interest on the investment by ensuring your deal has a 0% introductory rate.

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.

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.

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