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House Extension in city

House extension features a wide range of benefits that makes it easy to see why the extension could be a fantastic uptick in the prospective price of your home in regards to sales. So if you're seeking to develop a brand-new house extension but still not encouraged regarding the job, we're here to assist you. Being completely mindful any kind of home construction job is normally a hefty financial investment, there's a massive need to be set on your decision before scheduling the commencement of any job. So are house extensions worth it? Below are some of the leading benefits used by house extensions to aid you make a decision if it's the most suitable route for you.

 

What's Involved in Building an Extension?

The steps will certainly differ depending upon the scope of your extension, but you can anticipate some, if not all, of the listed below to be included when including an extension to your home:

 

  1. Obtaining Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Inspecting your leasehold contract (if suitable) to ensure you can do what you intend to do.
  3. Employing an architect  to draw up the plans, considering your intended usage ( kitchen area, bathroom, research study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage service provider to let them know of the intended work ahead of it starting.
  6. Getting vehicle parking allows if needed for your specialists to guarantee they have easy accessibility to your property.
  7. Ensuring all planned job drops within permitted allowables.
  8. Clearing up the area as well as excavating if needed, consisting of the elimination of trees.
  9. Structure job can begin.

 

What is the price of a house extension in city?

If you're taking into consideration adding a two storey house extension, after that establishing a budget for this project would be a wonderful means to get going. Similar to a rear extension, a two storey extension usually leaves the remainder of the structure requiring some job and also, due to its size, this might indicate the re-development of the whole house - which is why they can be extremely pricey. Several of the various other influencing aspects that can have huge effect on a two storey house extension expense includes: your area, the dimension of the build, complexity of the design (anything beyond the common construct will typically need even more know-how and time), the glazing to be incorporated (the more the glass made use of in the task, the extra the product cost), as well as the group made use of.

Average House extensions cost in Cobham

The regular cost of House extensions are £53,750 in Cobham. Costs vary based upon the materials and the company picked. The upper price range can be as high as £74,500. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£35,500

Avg. price

Avg. price
£53,750

Avg. price high

Avg. price high
£74,500

£75000

£56250

£37500

£18750

£0

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

House extensions installation cost in Cobham 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 Cobham in March 2025

719

Requests for quotations in Cobham in March 2025

3

Requests for House extensions quotations in Cobham in March 2025. -40% change from February 2025.

180

Requests for House extensions quotations in Surrey in March 2025. -25% change from February 2025.

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

House extensions searches in cities and towns near Cobham March 2025

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Cobham

Cobham is a village in the Borough of Elmbridge in Surrey, England. It is situated about 17 miles (27 km) south-west of London and 10 miles (16 km) northeast of Guildford around the River Mole. Cobham covers an area of about 3.2 square miles. In line with the 2011 Census, the town features a permanent population of about 9739 individuals. Historically, Cobham comprised two separate communities, Street Cobham and Church Cobham. The former lay on the road to London, and the building now referred to as the Cobham Exchange was formerly a coaching inn. The community of Church Cobham expanded around St. Andrew's Church, which dates back to the 12th century. Although considerably altered and extended during the 1800s, the church preserves a Norman tower and is a Grade I listed building, which is the highest architectural category. The River Mole provides the scene for Cobham's most famous landmark, which is the red brick water mill. It was constructed in the latter part of the 1700s, and it was once a part of a considerably bigger complex. It stands on the site of earlier mills dating back to the Middle Ages. The mill continued to be in use till 1928, when it became uneconomical to continue operating. Since its closure, it has been applied as a storehouse. The town offers a lot of opportunities for sport and leisure activities. Painshill Park is nearby and Silvermere golf course is located in Redhill Road on the north side of the A3. Cobham has four football clubs: Cobham F.C., Mole Valley SCR F.C., Cobham United Football Club and Cobham Town F.C. Cobham also includes a cricket club, Cobham Avorians, formed in 1928. For all of your home upgrades, ensure that you utilise trustworthy specialists in Cobham to ensure you get the most effective quality.

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House extensions pros in Cobham

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.

Tectra Partnership Ltd

1 review(s)
Based: in Slough, SL3 0JE

Latest review

Deepak S., KT10
5

House Extensions in Esher

excellent communication

JPA Building Construction LTD

1 review(s)
Based: in Twickenham , TW1 1AG

Latest review

Rosa S., SE20
5

House Extensions in London

Very nice and helpful unfortunately I am looking for a builder who lives nearby my property

Similar Customer Enquiries for House extensions in Cobham

03 Aug

House Extensions

Cobham - KT11

Enquiry from: Richard F

Start Date: Less than one month

We require a double two door brick garage 5.5 w by 6 metre length Roof height 4.2 metre Roof to be tiled Wooden doors Ground works already done so no need to include that in your quote Cust...

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31 Mar

House Extensions

Cobham - KT11

Enquiry from: Lindsey C

Start Date: Immediate

Single story extension with pitched roof. 2 skykights. Steel.beam. Bifold doors. Floor screeded. Plasterboard to ceilinv. Customer is currently in the process of looking for quotes to add a Single st...

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03 Nov

House Extensions

Cobham - KT11

Enquiry from: Stephen W

Start Date: Immediate

Submit your free quote for rated tradespeople

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17 Oct

House Extensions

Cobham - KT11

Enquiry from: Stephen W

Start Date: Immediate

Submit your free quote for rated tradespeople

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29 Jul

House Extensions

Cobham - KT11

Enquiry from: Rob P

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension Do you have planning permission: Yes Do you have plans drawn up: Yes Do you require ...

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19 Feb

House Extensions

Cobham - KT11

Enquiry from: Shireen M

Start Date: Immediate

Double storey extension . We need some downstairs space and some upstairs space.

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14 Dec

House Extensions

Cobham - KT11

Enquiry from: Chris B

Start Date: Immediate

Home owner Two storey extension to rear of property, pitched roof, brick exterior. 4 metres out and 7 metres long (total 56 sq m). Cost to include for basic finish (plastered walls, electrics and c...

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29 Nov

House Extensions

Cobham - KT11

Enquiry from: Chris B

Start Date: Immediate

two storey extension to rear of property, pitched roof, brick exterior. 4 metres out and 7 metres long (total 56 sq m). Cost to include for basic finish (plastered walls, electrics and central heating...

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25 Jul

House Extensions

Cobham - KT11

Enquiry from: Bronwyn F

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: No Would you require assistance to gain this: Yes D...

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16 Feb

House Extensions

Cobham - KT11

Enquiry from: James G

Start Date: Immediate

Home Owner Build Quotes Back extension to include new kitchen, bathroom and utility room and open plan dining Planning Assistance Required Please Call to Appoint

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FAQs

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.

are house extensions worth it?

Often referred to by many as the holy grail of home improvements, house extension comes with a wide range of benefits which makes it easy to see why the extension could be a great uptick in the potential price of your property in terms of sales. So if you’re looking to build a new home extension but still not convinced about the project, we’re here to help you. Being fully aware any home construction work is usually a heavy investment, there’s a huge need to be set on your decision before scheduling the commencement of any work. So are house extensions worth it? Below are some of the top benefits offered by house extensions to help you decide if it’s the most suitable route for you.

• Add To Your Home’s Value

Building an home extension is a great way to add value to your home before selling. Increasing the living space of your home is an incredible appeal to many buyers which significantly increases your property’s total value. However, you must ensure that the extension is impressively designed using top quality materials in order to generate more value.

• Good Alternative To House Moving

The most common reason for moving is usually due to a lack of sufficient space, but with house prices steadily on the increase a cost effective alternative is highly sought after. This alternative is house extension which creates more space for the household to spread out and have more privacy.

• You May Not Require A Planning Permission

You can extend your house and still not need to apply for a planning permission. To achieve this, simply comply with the laid down rules set under the permitted development rights.

• Extra Living Space

If you fill you’re starting to outgrow your existing structure and do not buy into the idea of moving, then your best bet might just be to extend your home.

Can I extend the front of my house?

When it comes to extending a home, the rear of the house often comes to mind a lot more than the front. However, this doesn’t mean that you can’t extend the front of your house. This can be done either as part of a renovation project whereby the entire house is incorporated or it can also be done in isolation. It’s possible to extend the front of your house without the need to apply for a planning permission, however, there are a bunch of limitations you’d have to comply with if you wish to carry out with such a project. Sometimes, this may imply that extending to the front of your home is more tedious and tasking than extending your home’s rear. So exactly how far can you extend the front of your home without planning permission?

 

The short and simple answer to this question is 2 metres square area with a height not more than 3 metres. Generally, you do not need a planning permission to build a front porch as long as its area doesn’t go beyond 2 square metres from a public road or walkway. Also, a tiled or slated roof can be as much as 4 metres but other roofs must not go beyond 3 metres in height. If you want to extend the front of your home beyond the restrictions specified, then you’ll have to apply for a planning permission.

 

Extending the front of home can be quite costly, but this can be controlled by not building to the extension to the highest specification, not including an extension on kitchens or bathrooms and more.

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.

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