Ground floor House Extension in Wales

Request Single Storey House Extension Prices in Wales

Home > Extensions & Conversions Projects > Single storey house extension > Wales

Ground floor House Extension in Wales

Are you seeking Single storey house extension in Wales? Our network of builders can aid with your job. Every one of our Builder in Wales are examined so you can see local honest reviews, when business was created, ratings, approval and cost,  allowing you to make the appropriate choice on who to hire. Allow us take the inconvenience out of discovering approximately 4 pros 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 are suitable for a multitude of properties. Smaller sized single storey home extensions can be built without needing to apply for planning permission because they are covered under permitted development rights. Substantial single storey extensions will still need planning permission. Single storey home extensions can also frequently be situated to either the side or rear of a home. Single storey home extensions can be used to expand kitchen areas or even to add a downstairs study or utility room.

 

They are also often used to create a larger open plan area in the downstairs of the house that might be used as a kitchen diner or living area. Adding roof lamps and bifold doors to your home extension will generate a sizeable airy space that provides a seamless transition in to the garden. While single storey home extensions may appear less complicated than other varieties of extension, careful planning remains essential to make sure 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, taking into account the specifications of the new space as well as the best way to complement the existing building. Your single storey home extension could be designed to match your present property and make use of similar materials for its construction or be designed to contrast, supplying a striking effect by using different materials.

 

Aspects that impact Single Storey Extension Prices

There are a couple of aspects to remember when you are establishing your budget. The primary variables that affect the price of a single storey extension are the size and also the surface. But there are other elements that it deserves bearing in mind while you are making your plans.

Costly Groundworks Needed

If it is hard to dig the structures and also lay the ground for your extension, then this can enhance the cost of your extensions. This may be the case if the ground is difficult to deal with. Particles in the ground can additionally increase the prices.

  • Grade of Fixtures and Fitting
    After the size of the extension, the following most significant aspect is the grade of the coating. Selecting premium alternatives can result in the last cost being more than double what it would be when selecting the basic choices.
  • Dimension of Extension
    When you are getting an extension on your home, the single greatest factor that will impact the cost of your extension is the size of it. The bigger the extension is, the much more you will certainly wind up paying. If the location inside the extension is basic, with no inner wall surfaces, after that this will lower the cost per m2 a little. However, despite having this in mind. The bigger the location of your extension, the a lot more you pay.
  • Type of Extension
    The type of extension you pick will go a long way in the direction of dictating how huge your extension will be. Side return extensions develop the tiniest added room so are usually the least expensive alternative, while a wraparound cooking area extension will produce one of the most room and also have one of the most pricy fittings and also components.
  • Building Regulations
    For the most part, developing regulations don't add a lot of cost to a structure task. Nevertheless, if you are developing an extension onto an older house, there might be some unanticipated costs. This is particularly real if the residence has actually not recently been upgraded. Building policies will apply to your entire house, not just the extension. This can cause the demand for electrics to be considered or door replaced.

 

Kitchen Extensions:

Kitchen extensions largely fall into the realms of single floor extensions, although all type of home extensions could be utilized to integrate additional space for a kitchen.

As an approximate guide, a single floor extension will certainly set you back from ₤ 1,000 - ₤ 2,000/ m2, with a basic develop at the reduced end of the range as well as an excellent build top 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 approximately 4 Single storey house extension pros in your area, that will offer quotes for the work you want done. You'll get a home visit from specialists in Wales that'll aid you to select the best Single storey house extension for your home before carrying out the installment. Enter your postal code to start searching now.

Average Single storey house extension cost in Wales

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
£46,600

Avg. price

Avg. price
£29,000

Avg. price high

Avg. price high
£34,800

£47100

£35325

£23550

£11775

£0

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

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

70,632

Requests for quotations in Wales in May 2026

0

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

0

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 Wales May 2026

Wales

Wales is among the four countries that merge to create the UK. Having a population in excess of 3 million, it's the third biggest country in the United Kingdom, with the capital city of Cardiff home to 346,000. The population density is only 148 people for every kilometre squared. If you’re looking to have any home improvement work done in Wales, make sure you compare quotes from reputable companies to ensure you get the best price for excellent quality work.

Looking for Single storey house extension in Wales?

Get free quotes from local builders

Get free quotes

Similar Customer Enquiries for Single storey house extension in Wales

28 Apr

House Extensions | Single Storey

Blackwood - NP12

Enquiry from: Emma A

Start Date: Immediate

Demolish existing conservatory and replace with single storey extension and fitted kitchen

Post a similar request >

30 Nov

House Extensions | Single Storey

Cardiff - CF14

Enquiry from: Sunil P

Start Date: 1 to 3 months

customer in cardiff 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.ple...

Post a similar request >

17 Oct

House Extensions | Single Storey

Bodorgan - LL62

Enquiry from: Stephen F

Start Date: 1 to 3 months

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....

Post a similar request >

17 Jun

House Extensions | Single Storey

Cardiff - CF11

Enquiry from: TAJ I

Start Date: Immediate

REAR FLAT ROOF EXTENSION 2.5M LENGTH BY 3M WIDTH

Post a similar request >

09 Feb

House Extensions | Single Storey

Cardiff - CF14

Enquiry from: Colin C

Start Date: Immediate

Single storey extension with flat roof to our bungalow. Extension to be 5m wide x 4m and we are thinking build material for walls to be spa panel construction. Will need to remove existing conservator...

Post a similar request >

26 Jan

House Extensions | Single Storey

Pontypridd - CF37

Enquiry from: Sam F

Start Date: Immediate

Side extension 4.5m x 1.9m Sloped roof

Post a similar request >

07 Jan

House Extensions | Single Storey

Pontypridd - CF37

Enquiry from: Evelyn H

Start Date: Immediate

An extra room and bathroom

Post a similar request >

12 Aug

House Extensions | Single Storey

Penarth, Dinas Powys - CF64

Enquiry from: David O

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 ...

Post a similar request >

17 Jul

House Extensions | Single Storey

Holywell - CH8

Enquiry from: Julie O

Start Date: 1 to 3 months

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....

Post a similar request >

02 Jul

House Extensions | Single Storey

Holywell - CH8

Enquiry from: Julie O

Start Date: Immediate

customer in the 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:customer...

Post a similar request >

04 Aug

House Extensions | Single Storey

Swansea - SA8

Enquiry from: Lucy J

Start Date: Immediate

Single storey house extension Lead

Single extension (small bedroom) build on top of an existing ground floor extension. Flat roof

Post a similar request >

26 Jun

House Extensions | Single Storey

Bridgend - CF31

Enquiry from: Sarah S

Start Date: 1 to 3 months

Single storey house extension Lead

build above existing ground room which used to be detached garage but had planning consent for a ground floor bedroom ,so we would like to extend above time scale: 1-3 months please call to appoint

Post a similar request >

29 Mar

House Extensions | Single Storey

Pembroke - SA71

Enquiry from: Julian O

Start Date: Immediate

Dear Sir/Madam, We have had plans drawn up by Richard Rees, architect, for an extension (approx. 8m x 3m) at 6 Hywel Way, Pembroke. The extension would be to provide a garage, WC and workshop. I ...

Post a similar request >

16 Feb

House Extensions | Single Storey

Cardiff - CF14

Enquiry from: Martin D

Start Date: 1 to 3 months

single storey rear wrap around extension to replace rear kitchen on 1930s semi. bi fold doors to garden, pitched roof with velux or flat roof with skylights. side lean to, to house utility/ cloak room...

Post a similar request >

13 Feb

House Extensions | Single Storey

Swansea - SA2

Enquiry from: Enass A

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 ...

Post a similar request >

06 Feb

House Extensions | Single Storey

Penryn - TR10

Enquiry from: Jim C

Start Date: Less than one month

single storey house; partial removal of kitchen ceiling to expose attic space and installation of velux windows. 1.removal of ceiling plaster and insulation material 2.removal of some rafters and str...

Post a similar request >

19 Jan

House Extensions | Single Storey

Wrexham - LL11

Enquiry from: Karen C

Start Date: 1 to 3 months

remove exiting extension and replace with single storey extension at rear of property. this will be a flat roof, built with blocks and rendered. internal configuration is wet room, utility and kitchen...

Post a similar request >

16 Jan

House Extensions | Single Storey

Swansea - SA6

Enquiry from: Dom L

Start Date: 1 to 3 months

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

Post a similar request >

25 Sep

House Extensions | Single Storey

Swansea - SA3

Enquiry from: Lynne E

Start Date: 1 to 3 months

customer in the swansea 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...

Post a similar request >

03 Jul

House Extensions | Single Storey

Fishguard - SA65

Enquiry from: Patrick O

Start Date: 1 to 3 months

planning approved for single storey kitchen extension & roofs and refurbishment of attached workshops. architect involvement. funding in place. time scale: 1-3 months please call to appoint

Post a similar request >

Local & reliable builders near me

Tell us about your single storey house extension project

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

Find up to 4 builders in Wales

Get free, no-obligation local single storey house extension quotes from 4 verified builders working in Wales.

Hire with confidence

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

Our reviews

Average

Would highly recommend

Would highly recommend, they found me a firm which I was happy with a quote they give me and went ahead and had my job done within 2 days of enquiring.

Good easy way to find a selection of…

Good easy way to find a selection of trades you need all in one place.

Love Local Quotes it's a big part of my …

Love Local Quotes it's a big part of my Business I would recommend to anyone

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.

does a single storey extension add value to your house?

Does A Single Storey Extension Add Value To Your House?

When you’re looking to construct a single storey extension or perhaps you’re just searching for means to increase the value of your property, this question always pops up. The short and simple answer to this question is a resounding yes, a single storey extension can go a long way to increase the value of your property. Just like any other home improvement, when done right, adding a little extra living space is one of the top things you can probably think of that’ll provide a cool increase in your property’s value. However, before you rush in you must also take note of some factors so you can be certain a single storey extension is the right option for you. These factors include the quality of the build, complexity of the build, cost of the build versus the value gain, ceiling price in the area, finance costs as well as the inconveniences and stress.

Generally, the average cost of a single storey extension can range from £34,000 to £37,000. For this price, you should get a standard sized rear or side extension which also includes the cost of a kitchen - it’s the most commonly use for a single story extension especially in the UK. So it’s important to know the value they’ll add to your house before deciding to make such an investment.

The value added to your property will depend largely on the quality and size of your single storey extension. The value is usually calculated by estate agents using the number of bedrooms, bathrooms as well as the floor area. Inside London, it’ll typically be priced at £5,000 to £10,000 per square metre, while outside London should be within the range of £900 to £2,000 per square metre.

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 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.

Single storey house extension

Other Top Projects in Wales

Customer Reviews

Overall rating:


Wales Single storey house extension installers are rated 4.7 out of 5 based on 3 reviews of 26 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Single storey house extension projects that have been connected with Single storey house extension pros to help them. All Single storey house extension contractors All Wales Single storey house extension contractors

Are you a builder in Wales?

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

Join today