House Extension in city

Find House Extension Prices in city

Home > Extensions & Conversions Projects > House extensions > Longfield

House Extension in city

House extension includes a large range of advantages which makes it easy to see why the extension could be a excellent uptick in the prospective rate of your building in regards to sales. So if you're looking to build a new residence extension but still not convinced regarding the task, we're here to help you. Being completely conscious any residence building job is typically a heavy financial investment, there's a significant demand to be set on your decision before scheduling the commencement of any type of job. So are house extensions worth it? Below are a few of the top advantages supplied by house extensions to assist you make a decision if it's the most ideal route for you.

 

What's Involved in Adding an Extension?

The steps will differ depending upon the extent of your extension, but you can anticipate some, otherwise all, of the listed below to be included when adding an extension to your house:

 

  1. Obtaining Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Examining your leasehold contract (if suitable) to ensure you can do what you wish to do.
  3. Getting an architect  to draw the plans, considering your expected use ( kitchen area, shower room, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance provider to allow them recognize of the intended work ahead of it beginning.
  6. Getting auto parking permits if required for your contractors to ensure they have very easy accessibility to your residential building.
  7. Seeing to it all planned work falls within permitted allowables.
  8. Clearing the space as well as excavating if essential, consisting of the removal of trees.
  9. Building job can start.

 

What is the expense of a house extension in city?

If you're considering adding a 2 floor house extension, then establishing a allocate this task would be a wonderful method to begin. Similar to a rear extension, a 2 storey extension typically leaves the rest of the building needing some work as well as, because of its size, this may suggest the re-development of the entire house - which is why they can be very expensive. Several of the various other affecting aspects that can have large impact on a 2 floor house extension cost consists of: your area, the size of the construct, intricacy of the layout (anything past the typical construct will generally require more competence as well as time), the glazing to be included (the more the glass made use of in the job, the more the material price), as well as the team utilized.

Average House extensions cost in Longfield

The regular cost of House extensions are £50,500 in Longfield. Costs vary based upon the materials and the company picked. The upper price range can be as high as £69,600. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£33,400

Avg. price

Avg. price
£50,500

Avg. price high

Avg. price high
£69,600

£70100

£52575

£35050

£17525

£0

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

House extensions installation cost in Longfield 2026

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

House extensions on Google in Longfield

Google searches that showed Local Quotes, 17 July to 14 October 2026

424

Searches that showed one of our pages for Longfield, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Longfield

Longfield is a village as well as civil church in the Borough of Dartford in Kent, England. It is located 6 miles (10 kilometres) south-east of Dartford and the same range south-west of Gravesend. The village consists of several stores, a pub, and also a 14th-century church. It is recorded in the Domesday Book and also the Anglo-Saxon charters of 964-995. Longfield and also New Barn is a civil parish called after the surrounding villages it covers, the eastern component being New Barn, it additionally covers the smaller negotiation, the neighbourhood of Longfield Hill. Longfield is the ancient town, located on the road between Dartford and Meopham; the historic church there is devoted to St Mary Magdalene. New Barn is larger in population than Longfield, although has little bit in the way of services, being a relatively recent development and totally domestic in nature.

Looking for House extensions in Longfield?

Get free quotes from local builders

Get free quotes

House extensions pros in Longfield

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 Extension in London

Great consultation by Catalin Spent a lot of time with us understanding the project and various options.

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 Extension in Hemel Hempstead

No quote received

Options Home Improvements LTD

1 review(s)
Based: in Kent, ME8 0DB

Here at Options Home Improvements we specialize is the bespoke design & installation of PVCu & Aluminium, windows and doors, orangeries & conservatories in Gillingham, Kent & South East area. Options Home Improvements was started due to the seemi...

Latest review

Lisa V., ME1
5

House Extension in Rochester

I haven't had the extension built yet but am planning to use them

Nicholas James Construction

7 review(s)
Based: in Bromley, BR1 3AX

From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.

Latest review

Jagdish K., HA3
5

House Extension in Harrow

Absolutely pleasant appointment. Very patient and polite, listened carefully to detail and more of my background and his...

Similar Customer Enquiries for House extensions in and around Longfield

02 Jan

House extensions

Dartford - DA2

Enquiry from: Alan B

Start Date: Immediate

Add a first floor and roof to a chalet bungalow and a single story rear extension

Post a similar request >

30 Oct

House extensions

Hornchurch - RM11

Enquiry from: Kim S

Start Date: Immediate

House extensions enquiry

Post a similar request >

22 Oct

House extensions

Romford - RM7

Enquiry from: Suhailah M

Start Date: Immediate

House extensions Lead

Property: terrace · When: immediate

Post a similar request >

20 Oct

House extensions

Dagenham - RM8

Enquiry from: Merra T

Start Date: Immediate

House extensions enquiry

Post a similar request >

13 Oct

House extensions

Basildon - SS14

Enquiry from: Vadim S

Start Date: Immediate

House extensions enquiry

Post a similar request >

11 Oct

House extensions

Grays - RM17

Enquiry from: Mohammd U

Start Date: Immediate

House extensions enquiry

Post a similar request >

02 Oct

House extensions

Dartford - DA2

Enquiry from: Peter B

Start Date: Immediate

House extensions enquiry

Post a similar request >

29 Sep

House extensions

London - SE13

Enquiry from: Helen M

Start Date: Immediate

House extensions enquiry

Post a similar request >

20 Mar

House extensions

Erith - DA8

Enquiry from: John N

Start Date: Immediate

House extensions enquiry

Post a similar request >

02 Mar

House extensions

London - SE9

Enquiry from: Amir A

Start Date: Immediate

House extensions enquiry

Post a similar request >

20 Jan

House extensions

Welling - DA16

Enquiry from: Marlon M

Start Date: 1 to 3 months

Property: terrace · When: 1-3 months

Post a similar request >

14 Nov

House extensions

Grays - RM16

Enquiry from: Ryan F

Start Date: Immediate

Installation, house extension, orangeries

Post a similar request >

28 Oct

House extensions

Tonbridge - TN10

Enquiry from: John C

Start Date: Less than one month

Mr lives in the tonbridge area and would like a call to discuss options

Roof: pitched · Property: semi detached · Built: 1930-1970 · Height: 1st floor

Post a similar request >

Advertisement

Local & reliable builders near me

Tell us about your house extensions project

Answer a few quick questions, so we can match you with local builders who can help.

Find up to 4 builders in Longfield

Get free, no-obligation local house extensions quotes from 4 verified builders working in Longfield.

Hire with confidence

Compare customer reviews, services and prices, and choose the right tradesperson for you.

Our reviews

Average

We haven't decided yet

We haven't decided yet

Helped find a good company without ...

Helped find a good company without all the ringing around

Simple process which gets you resul ...

Simple process which gets you results! Well done.

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.

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.

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.

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.

House extensions

Other Top Projects in Longfield

Customer Reviews

Overall rating:


Longfield House extensions pros are rated 4.3 out of 5 on average: 10 rated pros, 58 reviews, of 78 pros covering the area.
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 Longfield House extensions contractors

Are you a builder in Longfield?

We can help you get more house extensions work with our qualified job leads and boost your business.

Join today