Ground floor House Extension in South East

Compare Single Storey House Extension Prices in South East

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Ground floor House Extension in South East

Are you trying to find Single storey house extension in South East? Our network of builders can aid with your project. All of our Builder in South East are inspected so you can see local customer reviews, when business was opened, rankings, satisfaction and price,  permitting you to make the ideal choice on who to work with. Allow us take the trouble out of locating approximately 4 professionals for your Single storey house extension project.

Single storey extensions are a great way to add space and value to your house. A single storey extension is often very cost effective and they're appropriate for many houses. Smaller single storey home extensions can be built without the need to make an application for planning permission because they are protected by permitted development rights. Large single storey extensions will still need planning permission. Single storey home extensions can also typically be situated to either the side or rear of your home. Single storey home extensions are often used to extend kitchens or even to add a downstairs study or utility room.

 

Also, they are often used to make a larger open plan area in the downstairs of the property that could be used as a kitchen diner or living area. Adding roof lighting and bifold doors to your home extension will create a big airy space that provides a seamless transition into the garden. While single storey home extensions may appear simpler than other kinds of extension, careful planning continues to be essential to ensure that the new space is useful and beautiful. Competent architects and building contractors can advise you on the most effective design for your home extension, considering the specifications of the new space as well as the best way to complement the existing building. Your single storey home extension could be made to accentuate your existing property and use similar materials for its construction or be made to contrast, offering a striking effect by using differing materials.

 

Factors that impact Single Storey Extension Costs

There are a couple of factors to bear in mind when you are setting your spending plan. The major factors that influence the cost of a single storey extension are the size and also the surface. Yet there are various other elements that it deserves remembering while you are making your plans.

Pricy Groundworks Needed

If it is tough to dig the foundations and also lay the ground for your extension, after that this can raise the cost of your extensions. This could be the situation if the ground is hard to collaborate with. Debris in the ground can likewise raise the costs.

  • Caliber of Fixtures as well as Fitting
    After the dimension of the extension, the following largest element is the quality of the surface. Picking high-end options can lead to the last cost being greater than dual what it would certainly be when picking the basic alternatives.
  • Dimension of Extension
    When you are getting an extension on your home, the single largest element that will certainly influence the cost of your extension is the size of it. The larger the extension is, the a lot more you will certainly end up paying. If the location inside the extension is straightforward, with no interior walls, after that this will reduce the cost per m2 slightly. However, even with this in mind. The bigger the location of your extension, the much more you pay.
  • Kind of Extension
    The type of extension you pick will go a long way in the direction of determining how big your extension will certainly be. Side return extensions produce the tiniest extra space so are frequently the cheapest choice, while a wraparound kitchen area extension will certainly create one of the most area as well as have one of the most costly fittings and components.
  • Building Regulations
    In many cases, building regulations don't add a lot of price to a structure project. However, if you are constructing an extension onto an older residence, there might be some unanticipated prices. This is particularly real if the house has not lately been upgraded. Building laws will put on your entire home, not simply the extension. This can bring about the demand for electrics to be checked out or door changed.

 

Kitchen Extensions:

Kitchen extensions greatly fall under the realms of ground floor extensions, although all type of property extensions could be used to incorporate additional room for a kitchen.

As an approximate overview, a single storey extension will certainly set you back from ₤ 1,000 - ₤ 2,000/ m2, with a fundamental develop at the reduced end of the range as well as an excellent build quality at the higher end at a range, with costs of ₤ 2,500/ m2 plus.

 

How to find a builder for your extension:

We will give up to four Single storey house extension pros locally, that will offer quotes for the job you want done. You'll receive a home visit from specialists in South East who'll assist you to choose the best Single storey house extension for your home before executing the installation. Enter your postcode to begin browsing now.

Average Single storey house extension cost in South East

The typical cost of Single storey house extension is £29000. Costs alter based on the materials and the firm selected. The upper price range can be as high as £34800. The material costs are in general around £12000

Average price per Single storey house extension job in 2026

Avg. price low

Avg. price low
£24,400

Avg. price

Avg. price
£34,667

Avg. price high

Avg. price high
£44,934

£45500

£34125

£22750

£11375

£0

Prices based on actual Single storey house extension costs for South East, as reported by local LeadsDoWork members.

Single storey house extension installation cost in South East 2026

Labour cost £14,000
Material cost £12,000
Waste removal £3,000
Time frame: 8-12 weeks

Single storey house extension searches in June 2026

Single storey house extension Projects in South East in May 2026

239,528

Requests for quotations in South East in May 2026

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Requests for Single storey house extension quotations in South East in May 2026. 0% change from April 2026.

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Requests for Single storey house extension quotations in United Kingdom in May 2026. 0% change from April 2026.

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

Single storey house extension searches in counties near South East May 2026

South East

The South East of England is one of the country's nine regions and is also the largest when it comes to population size. The region has around 8.6 million occupants, and although it contains a significant land area, its population density is around 452 people per square kilometre. South East England contains a variety of counties such as Kent, Surrey, East and West Sussex, Hampshire, Buckinghamshire and Berkshire. The populace has expanded greatly over the last ten years, specifically because of the significant conurbations of regions such as Brighton, Portsmouth, Reading and Southampton. The South East is infamous for higher home prices so keep this value on your property with upgrades from expert tradespeople.

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Single storey house extension pros in South East

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

Angela A., HP1
22nd June 2020
3

House Extensions | Single Storey in Hemel Hempstead

Assured me he Would give me a good price which made me feel less confident with this builder he was supposed to phone on...

Similar Customer Enquiries for Single storey house extension in South East

10 Nov

House Extensions | Single Storey

Richmond - TW10

Enquiry from: VICTORIA S

Start Date: Immediate

ONE BED ROOM EXTENSION BACKOF THE HOUSE IN THE GARDEN ATTACHED TO THE HOUSE

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26 Oct

House Extensions | Single Storey

Erith - DA8

Enquiry from: Imteaz B

Start Date: 1 to 3 months

customer in the erith area made an enquiry a couple of projects including single storey house extension.call anytime and arrange an appointment to discuss. below is some details about this project:cus...

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06 Oct

House Extensions | Single Storey

Croydon - CR0

Enquiry from: Anjana G

Start Date: Immediate

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

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17 Aug

House Extensions | Single Storey

Folkestone - CT20

Enquiry from: Sed S

Start Date: Immediate

Single-story extension at the rear of the property. Approx 6m wide x 3m deep with a slanted roof

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19 Jul

House Extensions | Single Storey

Waterlooville - PO7

Enquiry from: Jissmol B

Start Date: Immediate

are you the property owner: owner of the property property type: detached looking for: single storey extension

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23 May

House Extensions | Single Storey

Petersfield - GU31

Enquiry from: Anuroopa K

Start Date: Immediate

Hi, There's a property that we're interested in buying and we want to see if it would be feasible to have a one storeyed rear extension so we can have an extra room with a bathroom- and if yes, what w...

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06 May

House Extensions | Single Storey

Littlehampton - BN17

Enquiry from: Simon F

Start Date: Immediate

What type of property is this for? House What type of extension do you need? Single storey extension, Loft Conversion When was the property built? 1921 to 1979 How many stories is the current build...

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30 Apr

House Extensions | Single Storey

Oxford - OX2

Enquiry from: Mark C

Start Date: 1 to 3 months

customer in oxford area has requested that we arrange quotes for their single storey house extension project.mrs are considering various options and would like to discuss with a builder directly.pleas...

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09 Apr

House Extensions | Single Storey

West Malling - ME19

Enquiry from: Claire M

Start Date: Immediate

Single storey rear extension 6m x 4m approx

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19 Jan

House Extensions | Single Storey

Welling - DA16

Enquiry from: Marlon M

Start Date: 1 to 3 months

customer in the welling area made an enquiry a couple of projects including single storey house extension.call anytime and arrange an appointment to discuss. below is some details about this project:c...

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22 Nov

House Extensions | Single Storey

Surbiton - KT5

Enquiry from: Petar S

Start Date: Immediate

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

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21 Oct

House Extensions | Single Storey

Tunbridge Wells - TN4

Enquiry from: Steve M

Start Date: Less than one month

customer made an enquiry for single storey house extension and confirmed on the local quotes site they would like quotes from a builder.mr lives in the tunbridge wells area and would like a call to di...

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21 Sep

House Extensions | Single Storey

Thornton Heath - CR7

Enquiry from: Rehana R

Start Date: Immediate

mrs requested quotes for single storey house extension from a builder around thornton heath. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the...

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07 Sep

House Extensions | Single Storey

Liphook - GU30

Enquiry from: Kevin M

Start Date: Immediate

We are planning a first floor extension over an existing single storey (currently flat roof) conventionally built brick and block extension. The overall size of the first floor extension will be app...

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02 Jun

House Extensions | Single Storey

West Wickham - BR4

Enquiry from: Kat M

Start Date: Immediate

single storey rear extension (kitchen diner). removal of internal wall between current kitchen and dining room to create open plan space and addition of a downstairs cloak room. plans submitted for fu...

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03 May

House Extensions | Single Storey

Alton - GU34

Enquiry from: Justin v

Start Date: Immediate

Single storey extension

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30 Apr

House Extensions | Single Storey

Reading, Thatcham - RG19

Enquiry from: Ian H

Start Date: Immediate

300x3750 single storey extension

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07 Apr

House Extensions | Single Storey

Dartford - DA2

Enquiry from: Vijay K

Start Date: Immediate

I need a 5x3 meters extension in back garden and this will have a kitchen fitted in. There is also an additional wall I need added in another portion of the house.

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22 Mar

House Extensions | Single Storey

Cranleigh - GU6

Enquiry from: Roger B

Start Date: Immediate

To replace conservatory approx 15sq metres with extension comprising two rooms, a small utility room and an orangery with a large lantern within the roof for natural daylight.

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11 Mar

House Extensions | Single Storey

Gravesend - DA12

Enquiry from: Rashpal B

Start Date: Immediate

Single story extension at the rear of the house .with some rear modifications. And garden retaining walls with ground work with slabs

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FAQs

How to find a builder for a house extension?

Builders are everywhere, but finding one for your project can be tricky and stressful, with both cost and reliability coming into question. This is even more worrisome when you’re fully aware that your house extension can only be as good as the builder. If you’re also facing the same challenge, then you’ve come to the right place. In this article, we’ll share with you some tips on how to choose a professional and reliable builder who’ll ensure you get immense value for every penny spent. Let’s take a look!

✓ Ask for recommendations. To find a tradesperson, not just a builder, personal recommendations is the best way to go. Building a house extension is a major undertaking which comes with a lot of costs, so if you’re going to do it the least you can do is ensure you do it right. Carry out your research, ask friends and family, neighbours and loved ones if the know of any reliable builder in the local area. If they’ve have one they’ve used, you can request for the cost, quality of the job done, the duration of the project and any other detail you feel you should know.

✓ Search Online. Use our search feature to look at the builders available or submit and enquiry and we will find you one. Our site holds details of numerous builders and building companies which you can go through their ratings to select the best.

✓ Select a reliable builder from trading association. Most reliable builders are usually a member of a recognized trading association or the other. Though this is not obligatory for builders, but it can be used as a dependable medium to find a good builder. We list what trade association the builders are a member of.

how much does a kitchen extension cost?

Being the most used room in a house, it’s little surprise kitchen extension are usually one of the most popular requests in the UK. They do not only open up a frequently used space in your home, but also goes a long way to add value to your property. However, to know the value that’ll added you must first determine the cost of building such an extension before moving forward. Generally, a typical kitchen extension will cost within the range of £20,000 to about £50,000 plus VAT, based on the size of your project as well as your location.

In reality, a single accurate cost of a kitchen extension will vary depending on a lot of influencing factors, one of which is the type of the extension. Let’s take a look!

✓ Rear extension. You may want to consider this type, if you do not have sufficient space for a side return. This will extend your kitchen into your garden which implies that you’re going to give up some green space to make this a reality. The average price to have this done in London will be about £30,000 or more including VAT, and about £20,000 plus VAT or more in other areas.

✓ Side return extension. This, normally, isn’t a huge add to your property, but will create a lot of space for your kitchen while also be a lot reasonable in terms of cost. This type will extend your home into an alleyway at the side of your property if any is available there. On average, the cost of the side return extension should be about £50,000 plus VAT in London and a lot less in the other regions.

do i need planning permission for a kitchen extension?

If you’re planning to construct a kitchen extension on your property, one of the first things that comes to mind is whether or not you’ll require a planning permission before you proceed. Generally, kitchen extensions are normally classified as permitted development which allows you to carry out your project without any interruptions from the law or your local authority. In other words, if your extension is meets up with the guidelines of the permitted development rights, you won’t have to apply for a planning permission. However if otherwise, you’ll have to apply for a planning permission to your local council and may require additional reports. And regardless of your position, you’ll always need building regulations approval before you can carry out any kitchen extension project. It may also be required that you’ll have to issue a part wall notice if you’re to build on or close to the boundary with a neighbour.

If you don’t want to go through the hassle and stress involved in applying for a planning permission with your local council, then you must ensure the following:

✓ Your kitchen extension must not be over half of the area of land around your main house.

✓ The kitchen extension must not be side elevation onto a highway or forward of the principal elevation.

✓ The extension must not be taller than the highest part of the roof.

✓ The height of your kitchen extension must not go beyond four metres.

✓ Kitchen extension that’s more than one storey must not go exceed the rear wall of the main house by more than three metres.

✓ Two storey kitchen extensions must not be closer to rear boundary by anything less than seven metres.

✓ The kitchen extension must not include balconies, verandas or any raised platforms.

how much does a kitchen diner extension cost?

If you’re planning to construct a kitchen diner extension, to help you set a budget and start planning you must first have a cost estimate that’ll complete the entire project. If not, there’s a probability that you may have to spend more than would have been necessary or probably break the bank to have the project done. In truth, there’s no single and short answer to this question as the cost of a kitchen diner is largely dependent of several variables. In this article, we’re going to give a good insight into kitchen diner extension cost so as to help you make informed decisions moving forward. Let’s take a look!

On the average, a kitchen diner extension will cost within the range of £25,000 to about £45,000, however if you happen to reside in London, you can expect the cost to be a lot more than that - closer to £60,000. And due to the fact that there happens to be a plethora of options out there, any decision to make be it on the size, tradesman, flooring, finishes or type of the kitchen diner extension, will have a considerable impact on the overall cost of the project. For instance, a basic kitchen diner extension cost can be within the range of £12,000 to about £15,000., while a high end kitchen diner extension can reach a whooping price between £80,000 to about £100,000.

The total cost of your kitchen diner project will rely heavily of the size as well as the quality of the finishes. For example, a kitchen diner extension that’s small and basic is likely to cost about £1,300 to £1,500 per square metre. However, if you’re going for higher quality finishes, you can expect to pay within the range of £1,900 to about £3,000 per square metre.

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