Ground floor House Extension in Dorset

Find Single Storey House Extension Prices in Dorset

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Ground floor House Extension in Dorset

Are you searching for Single storey house extension in Dorset? Our network of builders can help with your project. All of our Builder in Dorset are checked so you can see local reviews, when the business was established, reviews, approval and also day rate,  enabling you to make the appropriate choice on who to employ. Let us take the trouble out of finding up to 4 professionals for your Single storey house extension task.

Single storey extensions are a great way to add space and value to your house. A single storey extension can be very cost effective and they're suited to a multitude of houses. Smaller sized single storey home extensions can be built without the need to apply for planning permission because they are covered under permitted development rights. Large single storey extensions will still need planning permission. Single storey home extensions can also generally be situated to either the side or back of a house. Single storey home extensions can be used to expand kitchens or even to put in a downstairs study or utility room.

 

Additionally, they are often used to make a larger open plan area in the downstairs of the house that may be used as a kitchen diner or living area. Adding roof lamps and bifold doors to your home extension will generate a big airy space that provides a seamless transition in to the garden. While single storey home extensions may appear simpler than other types of extension, careful planning is essential to ensure that the new space is practical and attractive. Professional architects and contractors will be able to give you advice on the most appropriate design for your home extension, taking into account the needs 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 make use of similar materials for its construction or be designed to contrast, presenting an impressive effect by using differing materials.

 

Factors that impact Single Storey Extension Costs

There are a few aspects to remember when you are establishing your spending plan. The primary aspects that influence the price of a single storey extension are the dimension and the finish. However there are other variables that it is worth remembering while you are making your strategies.

Very Expensive Groundworks Needed

If it is tough to dig the structures as well as lay the footing for your extension, then this can increase the price of your extensions. This could be the instance if the ground is difficult to collaborate with. Debris in the ground can also increase the costs.

  • Quality of Fixtures and Fitting
    After the dimension of the extension, the next most significant variable is the caliber of the surface. Selecting premium choices can lead to the last cost being greater than double what it would be when choosing the fundamental options.
  • Size of Extension
    When you are obtaining an extension on your residence, the single biggest variable that will influence the price of your extension is the size of it. The larger the extension is, the much more you will end up paying. If the location inside the extension is easy, without inner wall surfaces, after that this will certainly lower the cost per m2 somewhat. Nonetheless, despite this in mind. The bigger the location of your extension, the extra you pay.
  • Sort of Extension
    The kind of extension you choose will go a long way in the direction of dictating exactly how big your extension will be. Side return extensions create the tiniest additional area so are commonly the most inexpensive option, while a wraparound kitchen area extension will create the most space as well as have one of the most pricy fittings and also components.
  • Building Regulations
    For the most part, developing policies do not add a lot of cost to a structure project. However, if you are constructing an extension onto an older home, there might be some unforeseen costs. This is particularly real if the house has not recently been upgraded. Structure guidelines will put on your entire house, not simply the extension. This can bring about the requirement for electrics to be looked at or door changed.

 

Kitchen Extensions:

Kitchen extensions greatly fall into the realms of single floor extensions, although all sort of property extensions could be made use of to incorporate additional area for a kitchen.

As an approximate overview, a single storey extension will certainly cost from ₤ 1,000 - ₤ 2,000/ m2, with a fundamental build at the lower end of the scale as well as an outstanding construct high quality at the higher end at a variety, with costs of ₤ 2,500/ m2 plus.

 

How to find a builder for your extension:

We will supply as much as 4 Single storey house extension pros in your area, that will use quotes for the job you desire done. You'll receive a property visit from specialists in Dorset who'll aid you to select the best Single storey house extension for your home before carrying out the installation. Enter your postal code to begin searching currently.

Average Single storey house extension cost in Dorset

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
£23,200

Avg. price

Avg. price
£29,000

Avg. price high

Avg. price high
£34,800

£35300

£26475

£17650

£8825

£0

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

Single storey house extension installation cost in Dorset 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 Dorset in May 2026

15,137

Requests for quotations in Dorset in May 2026

0

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

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Requests for Single storey house extension quotations in South West 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 cities and towns near Dorset May 2026

Dorset

The county of Dorset can be found in the southwest of England having a large portion on the southern coastline. With a population of little more than 700,000 the county positions at 32nd in the UK with regard to region and has a small density of only 690 people per square mile mainly because of its relatively large land area. Dorset has a large number of older people residing in the county and a lower than average number of younger people. In fact, nearly 26% are of retirement living age; considerably larger than most of England and Wales. Irrespective of your age, when it comes to improving your home, make sure to work with vetted experts for a wonderful finish.

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Similar Customer Enquiries for Single storey house extension in Dorset

17 Mar

House Extensions | Single Storey

Poole - BH17

Enquiry from: Zara R

Start Date: 1 to 3 months

what type of property is this for? house what type of extension do you need? single storey extension,garage conversion,multiple extensions how many stories is the current building? 2 storeys do you ha...

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20 Sep

House Extensions | Single Storey

Weymouth - DT3

Enquiry from: Mike B

Start Date: 1 to 3 months

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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01 Jan

House Extensions | Single Storey

Poole - BH17

Enquiry from: Sammy T

Start Date: Immediate

Single storey extension. Back of house. Roughly 6m width of house x 3m extended into garden

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13 Feb

House Extensions | Single Storey

Bournemouth - BH6

Enquiry from: Steve S

Start Date: Immediate

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

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05 Nov

House Extensions | Single Storey

Bournemouth - BH8

Enquiry from: Patricia N

Start Date: Less than one month

customer made an enquiry for single storey house extension and confirmed on the quotatis site they would like quotes from a builder.mrs lives in the bournemouth area and would like a call to discuss o...

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02 Sep

House Extensions | Single Storey

Poole - BH16

Enquiry from: Jesse G

Start Date: Less than one month

customer made an online enquiry for single storey house extension and confirmed on sms and email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote....

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25 Aug

House Extensions | Single Storey

Shaftesbury - SP7

Enquiry from: Brierley M

Start Date: Immediate

customer made an online enquiry for single storey house extension and confirmed on sms and email they would like a call with a builder to discuss prices.please call to arrange an appointment to quote....

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05 Jun

House Extensions | Single Storey

Christchurch - BH23

Enquiry from: Leigh F

Start Date: 1 to 3 months

single storey extension to be built time scale: 1-3 months please call to appoint

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19 Mar

House Extensions | Single Storey

Swanage - BH19

Enquiry from: Mark M

Start Date: 1 to 3 months

customer in swanage areas is looking to do a couple of projects at the moment, and would like quotes for single storey house extension.confirmed interest via sms and email at 18/03/2021 23:58.please c...

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27 Aug

House Extensions | Single Storey

Dorchester - DT1

Enquiry from: Christian P

Start Date: Immediate

Single storey rear extension to 1920's house. area approx 3.6m x 2.6m with a sloped roof and skylight. Patio doors opening to garden. Internal finish bare brick and overlaid industrial style electrica...

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18 Aug

House Extensions | Single Storey

Bournemouth - BH8

Enquiry from: Benjamin T

Start Date: Immediate

would like a porch built at the front of the house. are you the property owner: owner of the property property type: detached looking for: single storey extension do you have planning permission: no d...

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12 Aug

House Extensions | Single Storey

Christchurch - BH23

Enquiry from: Trevor P

Start Date: Immediate

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: owner of the property property type: detached looking for: si...

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20 Jul

House Extensions | Single Storey

Poole - BH17

Enquiry from: Karen W

Start Date: Immediate

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: tenant (with permission) property type: semi detached looking...

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13 Jul

House Extensions | Single Storey

Dorchester - DT2

Enquiry from: Rory F

Start Date: Immediate

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: owner of the property property type: detached looking for: si...

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24 Feb

House Extensions | Single Storey

Bournemouth - BH7

Enquiry from: Mathew D

Start Date: Immediate

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Detached Looking For: Si...

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06 Jan

House Extensions | Single Storey

Ferndown - BH22

Enquiry from: Brad S

Start Date: Immediate

brick garage removed, new one in its place, 7.5m * 3.4m

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20 Dec

House Extensions | Single Storey

Wareham - BH20

Enquiry from: Ellie P

Start Date: 1 to 3 months

Replace existing tandem garage. Structure 4m x 12m, split into 6 m single garage at the front, 3 m utility area in the middle and 3 m workshop at the back. Interconnecting doors. Side door into utilit...

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28 Apr

House Extensions | Single Storey

Sturminster Newton - DT10

Enquiry from: Nicole M

Start Date: Less than one month

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Detached Looking For: Si...

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19 Feb

House Extensions | Single Storey

Bournemouth - BH9

Enquiry from: Penny B

Start Date: 1 to 3 months

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Detached Looking For: Si...

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26 Nov

House Extensions | Single Storey

Poole - BH12

Enquiry from: Ben B

Start Date: Immediate

*Homeowner House extension Please call to appoint

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FAQs

How long does a small extension take?

If you’re planning to build a small extension on your property, you’ll most likely want to know the length of time it’ll take to complete the home extension. Just like many other home improvement projects, it’s impossible to provide a specific number of day in which your project will be completed as the duration is based on a number of influencing factors. This includes the size of the development work as well as whether or not you plan to live in the house when the work is being done. In this article, we’re going to give you a breakdown of the processes that’s involved in building a small single storey extension alongside the duration for each so you can have an idea of how long your small extension project will take. Let’s take a look!

✓ A small single storey extension will normally take about 3 months to be completed.

✓ Site preparation is the first step in the process and it’ll take up to 2 weeks the dig out the footings and prepare foundations. Followed by a further 2 weeks to fit the damp course as well as any drains required around the extension.

✓ The 5th week is spent on working on the external walls and putting in place blockwork to deliver cavity wall insulation.

✓ The next 2 weeks will be spent on installing the roof structure as well as internal walls.

✓ Once done. The builders will make the structure weather proof and electricians or gas fitters will be on site to add power to the extension. This will be followed by internal walls’ plastering as well as breaking into your main house.

✓ After this, when the plaster is dry and decoration completed, units or furniture will then be installed.

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.

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.

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.

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