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House Extension in city

House extension features a variety of advantages that makes it very easy to see why the extension could be a fantastic uptick in the potential rate of your property in terms of sales. So if you're aiming to build a new residence extension but still not convinced about the job, we're right here to assist you. Being totally conscious any home construction job is generally a hefty financial investment, there's a significant requirement to be set on your choice before arranging the start of any kind of work. So are house extensions worth it? Below are some of the leading benefits supplied by house extensions to assist you make a decision if it's one of the most appropriate route for you.

 

What's Involved in Adding an Extension?

The steps will certainly differ depending on the scope of your extension, however you can expect some, otherwise all, of the listed below to be included when including an expansion to your residence:

 

  1. Obtaining Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Examining your leasehold agreement (if suitable) to see to it you can do what you want to do.
  3. Enlisting an architect  to prepare the plans, considering your expected usage ( cooking area, restroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance carrier to let them understand of the prepared job ahead of it beginning.
  6. Obtaining vehicle parking permits if needed for your specialists to ensure they have very easy access to your home.
  7. Seeing to it all intended job falls within allowed allowables.
  8. Clearing up the area and also excavating if required, consisting of the elimination of trees.
  9. Structure work can begin.

 

What is the expense of a house extension in city?

If you're considering adding a 2 floor house extension, then setting a budget for this job would be a wonderful means to start. Comparable to a back extension, a two floor extension normally leaves the rest of the building requiring some job as well as, as a result of its size, this may suggest the re-development of the entire house - which is why they can be really expensive. A few of the various other affecting aspects that can have large influence on a 2 floor house extension expense consists of: your area, the size of the develop, intricacy of the style (anything past the typical develop will usually require more proficiency and also time), the glazing to be integrated (the a lot more the glass used in the project, the extra the material cost), in addition to the team used.

Average House extensions cost in Alton

The regular cost of House extensions are £46,667 in Alton. 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 Alton, as reported by local LeadsDoWork members.

House extensions installation cost in Alton 2025

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

House extensions searches in April 2025

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160

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

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Alton

Alton is a market town and civil parish within the East Hampshire district of the English county of Hampshire. It lies across a valley around the source of the River Wey. The town is located 9 miles from Farnham and 16 miles from Winchester, with London about 52 miles away. Brockham Hill is the highest point in Alton, at 225 metres above sea level. As per the 2011 Census, the town had a population of 17,816. Named in the Domesday Book in 1086 as having a notable marketplace, the Saturday market continued for numerous years. Yet another vital part of the town's local economy was the manufacturing of paper and of dress supplies during the 18th century, which consisted of the creation of ribbed druggets, shallons, silks and serges, bombazine and figured barragons. Alton currently has businesses inside the retail and service sectors, which may be found inside the centre of the town, and you can find more than one hundred companies within the 4 industrial locations of Mill Lane, Newman Lane, Caker Stream and Omega Park. There is a variety of independent and commercial chain businesses for residents to select from, including a greengrocers, butchers, hardware shop, five supermarkets as well as a variety of pubs and restaurants. The town is most famous for its association with Sweet Fanny Adams. This was an eight-year-old girl murdered in the town by a solicitor's clerk, who was one of the final criminals to be executed in Winchester. The murder happened at the same time as the introduction of tinned meat within the Royal Navy, with all the sailors dissatisfied with the new meals, suggesting that it contained the remains of 'Sweet Fanny Adams'. For all of your house improvement work, make certain that you use trustworthy pros in Alton to make sure that you get the best quality work.

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House extensions pros in Alton

Jassi Builders LTD

2 review(s)
Based: in Hayes, UB4 9YD

Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I have completed all my work on perfect time and leave customers in complete satisfaction. We do all types of loft conversions, exten...

Latest review

Julian F., HP2
4

House Extensions in Hemel Hempstead

No quote received

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 Alton

07 Jul

House Extensions

Alton - GU34

Enquiry from: Nicholas C

Start Date: Immediate

Small stand-alone extension to provide additional facilities. Plan measures 5.7 x 3.8m; 2.5m height to eaves; double pitched roof (40 degrees) with central ridge. Zinc external cladding with standing ...

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07 Jan

House Extensions

Alton - GU34

Enquiry from: Ronan D

Start Date: 1 to 3 months

side double storey extension. property type: detached looking for: double storey extension do you have planning permission: no do you have plans drawn up: no do you require plumbing work: yes do you r...

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20 Apr

House Extensions

Alton - GU34

Enquiry from: Barrie L

Start Date: 3+ months

Two story extension, of new porch and study over it. Porch 2588x3315. Planning and build. regs completed.

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10 Aug

House Extensions

Alton - GU34

Enquiry from: Lisa B

Start Date: Immediate

3mx4m single storey extension with doors

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07 Dec

House Extensions

Alton - GU34

Enquiry from: Mike G

Start Date: Immediate

Home owner Detached, Single storey extension of 5m x 5m, with pitched roof, to the living room of my chalet bungalow Assist with Plans and Planning permission Time scale: 1-3months Contact to App...

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22 Jun

House Extensions

Alton - GU34

Enquiry from: Wendy S

Start Date: Immediate

Demolition of old stables and hay barn and erection of new concrete base with 2 stables, hay barn, feed room and small yard area Home owner Please call to appoint

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11 Mar

House Extensions

Alton - GU34

Enquiry from: Mark V

Start Date: 3+ months

Rear house extension for kitchen. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permission: Yes Do you have pl...

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30 Sep

House Extensions

Farnham - GU9

Enquiry from: Josh P

Start Date: Immediate

single storey extension at rear of property - looking to have plans drawn up

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26 Sep

House Extensions

Liphook - GU30

Enquiry from: Dan S

Start Date: Immediate

House extensions Lead

customer in liphook 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 26/09/2022 17:41.please call to arrange...

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22 Jan

House Extensions

Petersfield - GU31

Enquiry from: Elizabeth B

Start Date: Immediate

we want to extend our living room to make a living with a dining area (no kitchen units/plumbing) are you the property owner: owner of the property property type: semi detached looking for: single sto...

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02 May

House Extensions

Bordon - GU35

Enquiry from: Alex V

Start Date: 1 to 3 months

adding a 1st-floor extension on top of the existing bungalow. rectangular shape 6x18m, c. ***m with 3 large bedrooms, 3 bathrooms, landing and hallway. c. 10 windows. gable roof, c. 30 degrees pitch. ...

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23 Apr

House Extensions

Bordon - GU35

Enquiry from: Alex V

Start Date: Less than one month

adding a 1st-floor extension on top of the existing bungalow. rectangular shape 6x18m, c. ***m with 3 large bedrooms, 3 bathrooms, landing and hallway. c. 10 windows. gable roof, c. 30 degrees pitch. ...

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14 Mar

House Extensions

Basingstoke - RG25

Enquiry from: David Y

Start Date: Less than one month

plans for builder and building control for single story extension as described on form 1 are you the property owner: owner of the property property type: detached looking for: single storey extension ...

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16 Apr

House Extensions

Bordon - GU35

Enquiry from: Matt 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: Kitchen Design & Installation, House Extension Agreed to receive quotes...

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18 Feb

House Extensions

Farnham - GU9

Enquiry from: Stephanie T

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 open to options What colour do y...

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02 Feb

House Extensions

Farnham - GU9

Enquiry from: Jon E

Start Date: 1 to 3 months

A side 2 storey extension with pitched roof to include a first floor bedroom and a bathroom. On the ground floor, one spare room and a downstairs cloakroom. Are you the property owner: Tenant (with p...

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22 Oct

House Extensions

Farnham - GU9

Enquiry from: Dan I

Start Date: Immediate

Looking for a single storey 3m x 6m extension with pitched roof to extend kitchen area. We do not need any electrical, plumbing or windows installing. Customer is currently in the process of looking ...

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16 Oct

House Extensions

Farnham - GU9

Enquiry from: Dan I

Start Date: Immediate

Looking for a single storey 3m x 6m extension with pitched roof to extend kitchen area. We do not need any electrical, plumbing or windows installing. Customer is currently in the process of looking ...

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05 Jul

House Extensions

Petersfield - GU31

Enquiry from: Gary H

Start Date: Immediate

No previous quotes Property owner House extension Please call to appoint

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22 Jan

House Extensions

Farnham - GU10

Enquiry from: Kate S

Start Date: Immediate

*Homeowner House extension Please call to appoint

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FAQs

Will my extension be expensive?

It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.

how long do house extensions take?

If you’re about to start your house extension project and wondering how long it’ll take to complete, you’re not alone! This is one of the most common questions that’s asked by homeowners in the UK and across the globe. However, there’s no single precise answer for this as there are multiple factors that’ll affect the length of time it’ll take to complete your home extension. These factors include the size of the construction work as well as whether you’re planning to live in the house after completion or otherwise.

For a single extension, the length of time it’ll take to complete the home extension is normally up to 3 months. So let’s break this down:

As you would have expected, the first step to be taken is the preparation of the site. You start by digging out the footing and preparing the foundation which should take about 2 weeks. This is then followed by the damp course installation as well as the fitting of any drains needed around the extension which will also take a further 2 weeks.

The 5th week will be for the construction of the external walls as well as putting the blockwork in place for the provision of the cavity wall insulation. A further 2 weeks after this, will be dedicated to the installation of the roof structure and the internal walls.

It’s at this junction that you’ll call on your weather proof installer to fit in your uPVC windows and doors. Once done, the gas fitters and electricians will have to be on site to connect power to your new extension building. Subsequently, this will be followed by internal wall plastering as well as breaking through your main house. Once the plaster is dried, decorations completed and all the required furniture and units installed, the extension is ready for use.

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.

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.

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Alton House extensions installers are rated 4.3 out of 5 based on 11 reviews of 84 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with House extensions projects that have been connected with House extensions pros to help them. All House extensions contractors All Alton House extensions contractors
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