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House Extension in city

House extension comes with a large range of advantages that makes it very easy to see why the extension could be a wonderful uptick in the potential rate of your residential property in regards to sales. So if you're aiming to build a new home extension however still not convinced about the task, we're right here to aid you. Being completely aware any type of home construction job is generally a heavy financial investment, there's a substantial requirement to be set on your choice prior to scheduling the start of any work. So are house extensions worth it? Below are some of the leading advantages supplied by house extensions to aid you decide if it's the most appropriate course for you.

 

What's Associated with Adding an Extension?

The actions will certainly differ depending upon the scope of your extension, yet you can anticipate some, otherwise all, of the below to be entailed when including an expansion to your house:

 

  1. Obtaining Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Inspecting your leasehold agreement (if relevant) to make sure you can do what you wish to do.
  3. Getting an architect  to draw up the plans, considering your planned use ( kitchen area, bathroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage provider to allow them understand of the intended job ahead of it starting.
  6. Acquiring car parking allows if required for your service providers to ensure they have simple access to your residential building.
  7. Making sure all prepared work falls within allowed allowables.
  8. Clearing the area and also excavating if necessary, consisting of the removal of trees.
  9. Structure work can start.

 

What is the cost of a house extension in city?

If you're taking into consideration including a two floor house extension, then setting a allocate this project would certainly be a fantastic method to get going. Similar to a back extension, a two floor extension usually leaves the rest of the structure needing some work and also, because of its dimension, this might imply the re-development of the entire house - which is why they can be very pricey. Some of the various other influencing factors that can have large influence on a two storey house extension cost consists of: your place, the dimension of the build, complexity of the design (anything beyond the conventional build will typically need even more expertise as well as time), the glazing to be integrated (the much more the glass made use of in the task, the extra the product cost), along with the team made use of.

Average House extensions cost in Haywards Heath

The regular cost of House extensions are £46,667 in Haywards Heath. Costs vary based upon the materials and the company picked. The upper price range can be as high as £66,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£30,667

Avg. price

Avg. price
£46,667

Avg. price high

Avg. price high
£66,000

£66500

£49875

£33250

£16625

£0

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

House extensions installation cost in Haywards Heath 2025

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

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Haywards Heath

Haywards Heath is a town in the Mid Sussex District of West Sussex, within the historical district of Sussex. It is situated thirty six miles to the south of London, 12 miles north of Brighton and also 15 miles south of Gatwick Airport. Close by towns include Burgess Hill, Horsham, Crawley and East Grinstead. Being a commuter town, many of the occupants travel daily via rail to London, Brighton, Crawley or Gatwick for work.

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House extensions pros in Haywards Heath

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 Haywards Heath

02 Jan

House Extensions

Haywards Heath - RH16

Enquiry from: John K

Start Date: Immediate

are you the property owner: owner of the property other forms: kitchen design & installation, house extension, gas boiler replacement agreed to receive quotes for selected products: yes please call t...

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03 Oct

House Extensions

Haywards Heath - RH16

Enquiry from: James H

Start Date: Less than one month

hi, 8x3.5m long side attaches to house one width wall with door, portion for wc are you the property owner: owner of the property looking for: single storey extension do you have planning permission:...

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03 Mar

House Extensions

Haywards Heath - RH16

Enquiry from: Richard K

Start Date: Immediate

Are you the property owner: Owner of the property How many windows do you require: What level of service do you require: Supply and fit Other Forms: None Please call to appoint

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09 Jun

House Extensions

Haywards Heath - RH16

Enquiry from: Douglas G

Start Date: Immediate

2 Story extension, with 4M x 6M single room ground floor. Dormer 1st floor 3M x 3M Bedroom and adjoining on-suite. With Shed type roof extending out from main roof.

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04 Jun

House Extensions

Haywards Heath - RH16

Enquiry from: Douglas G

Start Date: Immediate

2 Story extension, with 4M x 6M single room ground floor. Dormer 1st floor 3M x 3M Bedroom and adjoining on-suite. With Shed type roof extending out from main roof.

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22 May

House Extensions

Haywards Heath - RH17

Enquiry from: Sally A

Start Date: Immediate

Side return and opening up of the dining room into it Brick on the road side and half way up and then Windows double glazed .. No doors for the opening from dining room

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28 Sep

House Extensions

Haywards Heath - RH16

Enquiry from: Andy N

Start Date: Less than one month

Lean to Sunroom extension. 2 Velux windows, size 5.8M X 3M. All foundations, soakway, cavity walls. One full wall (no windows) Other walls space required for french doors, plus 3 windows. Price not t...

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04 Aug

House Extensions

Haywards Heath - RH16

Enquiry from: Victoria M

Start Date: Immediate

Needs both extension and loft conversion Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the proper...

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22 May

House Extensions

Haywards Heath - RH16

Enquiry from: Beverley B

Start Date: Less than one month

Small extension to front of house for downstairs toilet / possible wet room Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the...

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27 Apr

House Extensions

Haywards Heath - RH16

Enquiry from: Mrs M

Start Date: Less than one month

We are looking into building a porch to the front of the house, with a side entrance door and a window on the opposite side of the door and also in the centre of outside wall of the porch. We want a ...

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20 Mar

House Extensions

Haywards Heath - RH16

Enquiry from: Ralph D

Start Date: Immediate

Hi We are looking to build an extension to our kitchen/ rear of house in Haywards Heath. We would be interested in speaking with someone about possible ideas and the costs. Are you the property ...

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12 Feb

House Extensions

Haywards Heath - RH16

Enquiry from: Palliprath N

Start Date: Immediate

Hi I am looking to do an extension to house I am buying in Haywards heath which is now being in the buying process. Planning permission: No Are you the property owner: Owner of the property Property T...

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15 Jan

House Extensions

Haywards Heath - RH16

Enquiry from: Mila N

Start Date: Less than one month

We are planning to convert our three bedroom link-detached bungalow with the garage into a 5/6 bedroomed home. We anticipate the work to be completed this year and would like to start asap though unde...

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06 Jan

House Extensions

Haywards Heath - RH16

Enquiry from: Steve R

Start Date: Immediate

Extend entire ground by approx. 2.5m floor to increase kitchen diner space. Flat roof, with possible roof terrace to first floor, or part glass roof if no roof terrace. Underfloor heating would be req...

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09 Oct

House Extensions

Haywards Heath - RH16

Enquiry from: Peter M

Start Date: Immediate

40 meters extension to bungalow with flat roof

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21 Sep

House Extensions

Haywards Heath - RH17

Enquiry from: Simon D

Start Date: Immediate

Single storey extension on rear of terraced house - value estimated at £20-30k.

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17 May

House Extensions

Haywards Heath - RH16

Enquiry from: Jo S

Start Date: Immediate

Kitchen extension maybe downstairs loo too Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension Do you have planning permission: No Woul...

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20 Oct

House Extensions

Haywards Heath - RH16

Enquiry from: Ganesh B

Start Date: Immediate

Hi, I would like to extend my kitchen + WC and Loft extension. I need to give this job to someone who can do end to end work, right from planning/design to finishing the whole work in one go. Pleas...

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15 Oct

House Extensions

Haywards Heath - RH16

Enquiry from: Ganesh B

Start Date: Immediate

I need to extend the kitchen, which is around 6mx3m. Can you please provide me the quote and with proper details of the works to be done, what will be included, what will be excluded, if excluded how ...

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27 May

House Extensions

Haywards Heath - RH16

Enquiry from: Mathew G

Start Date: 3+ months

Home owner Single Storey Help with plans Extend our kitchen and dining room up, remove a small lean to and extend out by another 2 metres. Time scale 3-6months Contact to Appoint *

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FAQs

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.

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 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.

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