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House Extension in city

House extension features a wide variety of benefits which makes it easy to see why the extension could be a fantastic uptick in the potential cost of your residential property in terms of sales. So if you're aiming to construct a brand-new residence extension however still not persuaded regarding the job, we're below to help you. Being fully conscious any type of residence building and construction job is normally a heavy financial investment, there's a huge requirement to be set on your choice before arranging the beginning of any type of job. So are house extensions worth it? Below are some of the leading benefits offered by house extensions to help you determine if it's the most ideal course for you.

 

What's Involved in Building an Extension?

The actions will differ depending upon the scope of your extension, but you can expect some, otherwise all, of the below to be involved when including an expansion to your home:

 

  1. Getting Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Examining your leasehold contract (if relevant) to ensure you can do what you wish to do.
  3. Employing an architect  to prepare the plans, considering your planned use (kitchen, shower room, research study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance policy company to allow them know of the intended work ahead of it beginning.
  6. Acquiring car parking permits if needed for your professionals to guarantee they have simple accessibility to your building.
  7. Making sure all prepared job drops within permitted allowables.
  8. Clearing up the area and also excavating if needed, consisting of the elimination of trees.
  9. Structure job can start.

 

What is the expense of a house extension in city?

If you're taking into consideration including a two floor house extension, after that establishing a budget for this task would be a great means to get going. Similar to a back extension, a 2 floor extension usually leaves the remainder of the structure needing some job and also, as a result of its dimension, this may indicate the re-development of the whole house - which is why they can be really pricey. Several of the various other affecting variables that can have big influence on a two storey house extension expense includes: your place, the size of the construct, intricacy of the layout (anything beyond the basic build will generally call for more proficiency and also time), the glazing to be included (the a lot more the glass utilized in the task, the more the material price), as well as the group made use of.

Average House extensions cost in Havant

The regular cost of House extensions are £50,000 in Havant. Costs vary based upon the materials and the company picked. The upper price range can be as high as £68,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£42,000

Avg. price

Avg. price
£50,000

Avg. price high

Avg. price high
£68,000

£68500

£51375

£34250

£17125

£0

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

House extensions installation cost in Havant 2025

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

House extensions searches in April 2025

House extensions Projects in Havant in March 2025

1,304

Requests for quotations in Havant in March 2025

10

Requests for House extensions quotations in Havant in March 2025. 0% change from February 2025.

160

Requests for House extensions quotations in Hampshire in March 2025. 7% change from February 2025.

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

House extensions searches in cities and towns near Havant March 2025

12

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Requests for quotations in Portsmouth in March 2025

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Requests for quotations in Chichester in March 2025

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Requests for quotations in Waterlooville in March 2025

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Requests for quotations in Bognor Regis in March 2025

Havant

The seashore borough of Havant is found on England's south coast in between Portsmouth and Chichester within the county of Hampshire. Having population of over 116,000, the area has developed considerably since the Second World War. Ensure that you review respected firms from Havant for the next household improvements task.

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Similar Customer Enquiries for House extensions in Havant

02 Jun

House Extensions

Rowland's Castle - PO9

Enquiry from: Sarah K

Start Date: Immediate

Full width extension to front of house with pitch roof to include a cloakroom. Roughly 6.5 square metres. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single s...

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04 Sep

House Extensions

Rowland's Castle - PO9

Enquiry from: Kelly L

Start Date: Immediate

we have plans for a sing story extension to rear with bi fold doors approx. 8m/3m we have structural drawings, flat roof extension with balcony on top would like work completed before xmas if possible

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05 Jul

House Extensions

Rowland's Castle - PO9

Enquiry from: Luke C

Start Date: 1 to 3 months

Dig out earthworks to existing ground level approx 22 foot X 19 foot X 2.5 ft deep to narrow into foundation level width and depth reddy to receive concrete for foundations Are you the property owner...

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27 Sep

House Extensions

Rowland's Castle - PO9

Enquiry from: Mr L

Start Date: 1 to 3 months

Ground floor extension across rear elevation of detached house and wrap around to partial side elevation also ground floor level .. extended kitchen dinner and new shower room and utility.. Are you th...

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13 Sep

House Extensions

Rowland's Castle - PO9

Enquiry from: Jacjie B

Start Date: 3+ months

Enlarging existing kitchen by rebuilding existing single skin sun lounge to extend kitchen. Demolishing existing single skin utility room extension and replacing with double skin extension to create n...

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06 Mar

House Extensions

Rowland's Castle - PO9

Enquiry from: Rhiannon T

Start Date: Immediate

Home owner Semi detached Small rear extension to kitchen and knocking through dinning room wall to create a larger Kitchen Assist with plans Planning permission not required Please Contact to App...

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19 Oct

House Extensions

Rowland's Castle - PO9

Enquiry from: Francesca E

Start Date: Immediate

Hi, we have been thinking about converting our loft, it is pretty big as it goes along the whole length of the house. The house is a 3 bedroom semi-detached. This is currently just a thought as it wou...

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15 Jun

House Extensions

Rowland's Castle - PO9

Enquiry from: C

Start Date: Immediate

Convert a single skin, single garage into a double. A breeze block wall on the longest length. Home owner Please call to appoint

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09 Mar

House Extensions

Rowland's Castle - PO9

Enquiry from: Nina W

Start Date: 3+ months

extension on the rear of house, which will be a bigger kitchen/diner. either a single or double storey extension Homeowner Will need assistance with planning permission Plans will need to be draw...

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02 Aug

House Extensions

Lee-on-the-Solent - PO13

Enquiry from: Sam M

Start Date: Immediate

Loft conversion velux, 2 windows. Area not that big 10m2 max.

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12 Jun

House Extensions

Chichester - PO19

Enquiry from: Sonu T

Start Date: Immediate

customer in chichester areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via telephone, sms and email at 12/06/2023 08:01.please c...

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11 Apr

House Extensions

Bognor Regis - PO21

Enquiry from: Darren Y

Start Date: Immediate

mr requested quotes for house extension from a builder around bognor regis. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the information belo...

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22 Mar

House Extensions

Bognor Regis - PO21

Enquiry from: Darren Y

Start Date: Immediate

customer in bognor regis areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via email at 22/03/2023 21:48.please call to arrange ap...

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13 Sep

House Extensions

Bognor Regis - PO21

Enquiry from: Barrie S

Start Date: Immediate

customer in the bognor regis 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 t...

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19 Feb

House Extensions

Hayling Island - PO11

Enquiry from: Peter B

Start Date: Immediate

Rear extension to bungalow to provide dining/sitting room. Size approx 5m wide x 3m projection

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15 Jun

House Extensions

Ryde - PO33

Enquiry from: Rob C

Start Date: Immediate

woottton bridge. app 10ft x 20ft garage/studio build required to replace old shed. suggestions welcome are you the property owner: owner of the property property type: semi detached do you have plans ...

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14 Apr

House Extensions

Bognor Regis - PO21

Enquiry from: Jeff H

Start Date: Immediate

i have two semi detached single garages, there is a crack in the walls due to subsidence in the foundation. i need them renovating or replacing with another two garages. address 69 annandale ave bogno...

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16 Mar

House Extensions

Southsea - PO4

Enquiry from: Leeann R

Start Date: Immediate

Looking for a glass box extension 3 m wide x 2 m depth x 270 h

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06 Mar

House Extensions

Bognor Regis - PO21

Enquiry from: Kimmi H

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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08 Feb

House Extensions

Chichester - PO20

Enquiry from: David L

Start Date: Immediate

Knock out side wall from existing kitchen and make into large kitchen breakfast room 2.5 out by 6m long

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FAQs

how much is a double house extension?

A double house extension is basically a construction to any aspect of your house that elevates up to offer two floors of space. It can be structured to suit your existing home in two storeys or as a side wing on a taller property. If you’re considering building a double house extension, then estimating the cost is a very important task to do before commencing the project. In this article, we’ll give you an idea of the cost of a double house extension so you can estimate yours accordingly.

The double house extension cost depends on several factors that’s specific to your home as well as your design choice. These includes:

• Location of your property. Places like London and the southeast will generally cost more than the other regions due to higher demands.

• Accessibility of the site. The ease of your site’s accessibility also plays a key role in the price.

• Size of the extension. The more the extension’s size in footprint and square metres, the higher the possible costs.

• Materials used in making the roof as well as the complexity of the roof design.

• Your choice of finishing. These includes flooring window and door frames, glazing, underfloor heating and roof lights.

• Your property’s soil type. Different types of soil requires varying treatments as well as materials to develop solid foundations.

Constructing a double house extension is a quite simple build in terms of technicality when its to the side or rear of your house as this can also help you save some money. Generally, considerably expanding your home’s space by building a double house extension will cost within the range of £1,500 per m2 to about £2,800 per m2.

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.

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.

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.
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