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House Extension in city

House extension features a variety of advantages which makes it very easy to see why the extension could be a terrific uptick in the potential cost of your residential property in regards to sales. So if you're wanting to develop a new home extension but still not convinced concerning the job, we're right here to aid you. Being totally mindful any kind of home building and construction job is typically a hefty investment, there's a huge demand to be set on your choice prior to setting up the commencement of any type of job. So are house extensions worth it? Below are some of the leading advantages provided by house extensions to help you choose if it's the most appropriate course for you.

 

What's Associated with Building an Extension?

The steps will differ relying on the extent of your extension, but you can expect some, if not all, of the 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. Checking your leasehold contract (if relevant) to ensure you can do what you wish to do.
  3. Enlisting an architect  to create the plans, considering your planned use ( cooking area, bathroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage carrier to let them recognize of the prepared work ahead of it starting.
  6. Getting auto parking permits if required for your service providers to ensure they have easy accessibility to your property.
  7. Making sure all planned work drops within allowed allowables.
  8. Clearing up the space and excavating if needed, including 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 adding a two storey house extension, after that establishing a budget for this job would certainly be a fantastic way to start. Similar to a rear extension, a 2 storey extension normally leaves the rest of the structure requiring some job and also, as a result of its size, this might indicate the re-development of the whole house - which is why they can be really costly. Several of the other affecting aspects that can have big impact on a two floor house extension expense includes: your place, the size of the build, intricacy of the design (anything beyond the conventional build will usually call for even more knowledge as well as time), the glazing to be incorporated (the a lot more the glass used in the project, the more the material expense), in addition to the group made use of.

Average House extensions cost in Dagenham

The regular cost of House extensions are £51,667 in Dagenham. Costs vary based upon the materials and the company picked. The upper price range can be as high as £73,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£32,000

Avg. price

Avg. price
£51,667

Avg. price high

Avg. price high
£73,000

£73500

£55125

£36750

£18375

£0

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

House extensions installation cost in Dagenham 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 Dagenham in June 2026

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Requests for quotations in Dagenham in June 2026

6

Requests for House extensions quotations in Dagenham in June 2026. -14% change from May 2026.

90

Requests for House extensions quotations in Essex in June 2026. -10% change from May 2026.

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

House extensions searches in cities and towns near Dagenham June 2026

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Requests for quotations in Upminster in June 2026

Dagenham

The large suburb of Dagenham in east London is home to some 60,000 individuals and is a part of the Essex County and Greater London district. The town is close to the River Thames, providing a part of the London Riverside section of the Thames Gateway. There is a wide array of housing in Dagenham and a lot of household developments wanted within the region. Be sure to work with vetted and respected industry specialists for the best price and a high quality finish.

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House extensions pros in Dagenham

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 Dagenham

20 Oct

House Extensions

Dagenham - RM8

Enquiry from: Merra T

Start Date: Immediate

Customer made enquiry for House Extension quotes online. Homeowner lives in Dagenham area. Please call to arrange appointment

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03 May

House Extensions

Dagenham - RM10

Enquiry from: Shakawat I

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customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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18 Feb

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Enquiry from: Joyce B

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

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11 May

House Extensions

Dagenham - RM10

Enquiry from: Sharon C

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customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.customer lives in the dagenham area and would like a call to discuss options.see b...

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09 Jun

House Extensions

Dagenham - RM10

Enquiry from: Berthan M

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customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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03 Jun

House Extensions

Dagenham - RM8

Enquiry from: Sonja C

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customer made an online enquiry for house extension and confirmed on email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote. are you the property ...

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22 Feb

House Extensions

Dagenham - RM8

Enquiry from: Emekelim N

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property owner house extension please call to appoint

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10 Nov

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are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: no other forms: house extension, none agreed to receive quotes for selected products: ...

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21 Aug

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Dagenham - RM9

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i want to make a front brick build pouch in my house. previous owner of this house in 1972 did once front extension. so if i want to make a front porch should i need any permission? are you the proper...

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10 Mar

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Dagenham - RM10

Enquiry from: Emily L

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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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09 Mar

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Dagenham - RM9

Enquiry from: Brayan M

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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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16 Oct

House Extensions

Dagenham - RM9

Enquiry from: Roxana G

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have planning permission: No Do you have plans drawn up: No Do you require Plumbing...

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02 Oct

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Dagenham - RM9

Enquiry from: Peter M

Start Date: Less than one month

extension 6+3 1 window 1 bio fold doors just the shell nothing on inside Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the pr...

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09 Sep

House Extensions

Dagenham - RM8

Enquiry from: Insia R

Start Date: 1 to 3 months

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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07 May

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Dagenham - RM8

Enquiry from: Ms W

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I am presently to buy a new house rm6 5qh - I haven't put that above as I don't own it yet. n the back garden you have a small conservatory and to the right of it a kitchen door. I was wondering if a ...

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31 Mar

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Dagenham - RM8

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25 Jan

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Dagenham - RM10

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30 Dec

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Dagenham - RM8

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6meter extension quotation

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19 Dec

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Dagenham - RM9

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Start Date: 1 to 3 months

3.6x5 meter rear extension. Includes a bathroom with shower wc and sink. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Single storey extension Do you have pla...

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13 Dec

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Dagenham - RM9

Enquiry from: Tania S

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Terrace How many bedrooms does the property have: 3-4 Bedrooms Other Forms: 17, 45 Agreed to recieve quotes for selected products: Yes...

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FAQs

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.

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.

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.

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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