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House Extension in city

House extension features a wide range of advantages which makes it simple to see why the extension could be a terrific uptick in the prospective price of your property in terms of sales. So if you're aiming to build a brand-new residence extension yet still not convinced regarding the project, we're here to aid you. Being fully aware any type of residence construction job is normally a hefty financial investment, there's a substantial requirement to be set on your choice prior to arranging the beginning of any kind of job. So are house extensions worth it? Below are some of the top advantages used by house extensions to assist you determine if it's the most appropriate path for you.

 

What's Involved in Including an Extension?

The steps will certainly vary relying on the extent of your extension, however you can anticipate some, otherwise all, of the below to be included when adding an extension to your house:

 

  1. Getting Building Regulations or Planning Permission (if called for 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. Employing an architect  to draw the plans, considering your expected use ( cooking area, restroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy carrier to let them recognize of the planned job ahead of it starting.
  6. Getting vehicle parking allows if required for your service providers to ensure they have very easy accessibility to your house.
  7. Making sure all planned work falls within permitted allowables.
  8. Cleaning the area and excavating if necessary, consisting of the removal of trees.
  9. Structure job can begin.

 

What is the expense of a house extension in city?

If you're considering including a 2 storey house extension, then establishing a budget for this job would certainly be a fantastic way to get going. Comparable to a back extension, a 2 floor extension normally leaves the remainder of the building needing some work and also, as a result of its size, this may indicate the re-development of the whole house - which is why they can be really pricey. Some of the various other affecting elements that can have big effect on a two storey house extension price consists of: your location, the size of the develop, intricacy of the design (anything past the basic build will generally need even more knowledge and also time), the glazing to be integrated (the more the glass utilized in the task, the a lot more the product cost), in addition to the group made use of.

Average House extensions cost in Harleston

The regular cost of House extensions are £42,500 in Harleston. Costs vary based upon the materials and the company picked. The upper price range can be as high as £56,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£32,334

Avg. price

Avg. price
£42,500

Avg. price high

Avg. price high
£56,000

£56500

£42375

£28250

£14125

£0

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

House extensions installation cost in Harleston 2026

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

House extensions searches in July 2026

House extensions Projects in Harleston in June 2026

339

Requests for quotations in Harleston in June 2026

1

Requests for House extensions quotations in Harleston in June 2026. 0% change from May 2026.

90

Requests for House extensions quotations in Norfolk in June 2026. 29% change from May 2026.

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

House extensions searches in cities and towns near Harleston June 2026

20

Requests for quotations in Ipswich in June 2026

10

Requests for quotations in Felixstowe in June 2026

10

Requests for quotations in Stowmarket in June 2026

8

Requests for quotations in Bury St Edmunds in June 2026

6

Requests for quotations in Thetford in June 2026

Harleston

Redenhall with Harleston is a civil church in the South Norfolk district of the English area of Norfolk, comprising the community of Harleston and also the neighbouring village of Redenhall. It covers a location of 13.73 km2 (5.30 sq mi), as well as had a population of 4,058 in 1,841 homes at the 2001 census, the population boosting to 4,640 at the 2011 census. Numerous Georgian residences and much earlier structures, with Georgian frontages, line the streets of Harleston. Although there is no document of an imperial charter, Harleston has actually been a market town given that at least 1369 and still holds a Wednesday market.

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Similar Customer Enquiries for House extensions in Harleston

07 Jul

House Extensions

Harleston - IP20

Enquiry from: Helen W

Start Date: 1 to 3 months

Single storey, extension for laundry room. We have a standard build bungalow. Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you t...

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07 Nov

House Extensions

Harleston - IP20

Enquiry from: Christopher M

Start Date: 3+ months

Kitchen extension - footprint approx' 3.5 x 1.5 metres - single storey Homeowner Please contact to appoint

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22 Jul

House Extensions

Wymondham - NR18

Enquiry from: Maria M

Start Date: Immediate

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

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28 Mar

House Extensions

Norwich - NR14

Enquiry from: John M

Start Date: Immediate

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

House Extensions

Beccles - NR34

Enquiry from: Amanda H

Start Date: Immediate

The house I'm currently living in, isn't where the extention is. It's a house I'm considering buying. I want a 4th bedroom which would mean a 2 storey. I would like 4x4 for the bedroom so I'm guessin...

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02 Sep

House Extensions

Norwich - NR15

Enquiry from: Matthew B

Start Date: Immediate

customer in norwich areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via sms and email at 02/09/2021 06:00.please call to arrange...

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09 Mar

House Extensions

Bungay - NR35

Enquiry from: Clifford T

Start Date: Immediate

single story extension, and reconfigure rooflin e , drainage for bathroom. are you the property owner: owner of the property property type: detached looking for: single storey extension do you have ...

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29 Dec

House Extensions

Norwich - NR4

Enquiry from: IMRAN R

Start Date: Immediate

I need orangery size 4.5 meters X 7.30 meters. to be build at back of my house. I can send you pictures for aprox quotes. contact via e-mail please.

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08 Oct

House Extensions

Eye - IP23

Enquiry from: Danielle B

Start Date: Immediate

2 story pitched roof extension 2.8m x 6m on the side of our house. customer is currently in the process of looking for quotes to add a double storey extension to their property. are you the property ...

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08 May

House Extensions

Beccles - NR34

Enquiry from: Richard A

Start Date: Immediate

full planning consent for new house. looking for sips build, quotes please. are you the property owner: owner of the property property type: detached looking for: double storey extension do you have p...

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29 Feb

House Extensions

Norwich - NR4

Enquiry from: Sreedhar B

Start Date: Immediate

Are you the home owner of that property? YES Are you replacing an existing porch or is this a new build? replacement What material do you require, UPVC? Brick and UPVC What colour do you want it to be...

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25 Feb

House Extensions

Saxmundham - IP17

Enquiry from: Liz D

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 Ple...

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14 Feb

House Extensions

Eye - IP23

Enquiry from: Danielle B

Start Date: Immediate

looking at putting an extension on the side of the house to create a dinning room with office in it. we would like it to match the house Are you the property owner: Owner of the property Property T...

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14 Feb

House Extensions

Norwich - NR15

Enquiry from: Sam N

Start Date: 1 to 3 months

Hi I am looking to extend my property by knocking through into the garage and extending the lounge. I would also like to build on top of the existing/old garage to create another bedroom upstairs. T...

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18 Mar

House Extensions

Norwich - NR14

Enquiry from: Andrew D

Start Date: Immediate

single storey extension with hip roof ,plastic facia no electric,gas,water .just shell water tight

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11 Mar

House Extensions

Norwich - NR15

Enquiry from: Dorothy H

Start Date: 1 to 3 months

Homeowner Please contact to appoint

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10 Mar

House Extensions

Norwich - NR4

Enquiry from: Robin C

Start Date: Immediate

We need to convert a double garage into living space and an extension at the rear to extend kitchen and dinning room. We are considering prefabricated options.

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09 Mar

House Extensions

Norwich - NR4

Enquiry from: Mo R

Start Date: Immediate

Extension to side and rear, groundworks, carpentry, plumbing, electrical, roof Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you t...

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05 Mar

House Extensions

Norwich - NR4

Enquiry from: Mo R

Start Date: Immediate

Extension to side and rear, groundworks, carpentry, plumbing, electrical, roof Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you t...

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17 Feb

House Extensions

Norwich - NR4

Enquiry from: Robin C

Start Date: Immediate

We need to convert a double garage into living space and an extension at the rear to extend kitchen and dinning room. We are considering prefabricated options.

Post a similar request >

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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.
Can an extension add value to my home?

Yes. Most extensions will add substantial value to your home, and you may find that the extension adds more value than it cost. However, it’s important to be sure that the home remains balanced. Extending your garage and leaving your property with no parking spaces, for example, may impact your ability to sell.

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.

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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