Ground floor House Extension in Kings Langley

Find Single Storey House Extension Prices in Kings Langley

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Ground floor House Extension in Kings Langley

Are you looking for Single storey house extension in Kings Langley? Our network of builders can assist with your job. All of our Builder in Kings Langley are inspected so you can see local reviews, when business was started, ratings, approval and day rate,  enabling you to make the best choice on who to work with. Let us take the problem out of discovering approximately 4 experts for your Single storey house extension job.

Single storey extensions are a great way to add space and value to your house. A single storey extension can be quite affordable and they're appropriate for a multitude of houses. Smaller single storey home extensions can be built without having 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 generally be located to either the side or back of a house. Single storey home extensions are often used to expand kitchen areas or 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 home that may be used as a kitchen diner or living area. Adding roof lights and bifold doors to your home extension will generate a huge airy space that creates a seamless transition into the garden. While single storey home extensions may appear less complicated than other varieties of extension, careful planning continues to be required to make sure that the new space is functional and beautiful. Certified architects and building contractors will be able to advise you on the most effective design for your home extension, considering the needs 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 pre-existing property and employ similar materials for its construction or be designed to contrast, giving an impressive effect by using different materials.

 

Aspects that effect Single Storey Extension Costs

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

Expensive Groundworks Needed

If it is challenging to dig the foundations and lay the ground for your extension, then this can boost the price of your extensions. This could be the instance if the ground is difficult to work with. Debris in the ground can additionally raise the prices.

  • Grade of Fixtures and also Fitting
    After the size of the extension, the next greatest factor is the caliber of the finish. Choosing premium alternatives can lead to the last price being more than double what it would be when selecting the fundamental options.
  • Dimension of Extension
    When you are obtaining an extension on your residence, the single biggest variable that will affect the cost of your extension is the size of it. The bigger the extension is, the much more you will certainly end up paying. If the location inside the extension is straightforward, with no inner wall surfaces, then this will certainly lower the cost per m2 slightly. Nevertheless, despite having this in mind. The larger the location of your extension, the more you pay.
  • Type of Extension
    The kind of extension you pick will certainly go a long way in the direction of dictating exactly how huge your extension will certainly be. Side return extensions produce the tiniest additional space so are typically the most inexpensive option, while a wraparound kitchen area extension will certainly produce the most space and have the most over-priced fittings and fixtures.
  • Building Regulations
    Most of the times, developing regulations do not include a great deal of price to a building project. Nevertheless, if you are constructing an extension onto an older home, there might be some unanticipated prices. This is especially real if the house has not lately been updated. Structure guidelines will relate to your entire house, not just the extension. This can lead to the requirement for electrics to be looked at or door replaced.

 

Kitchen Extensions:

Kitchen extensions largely come under the areas of ground storey extensions, although all type of property extensions could be made use of to integrate additional room for a kitchen.

As an approximate guide, a single floor extension will set you back from ₤ 1,000 - ₤ 2,000/ m2, with a standard construct at the lower end of the range as well as an outstanding build quality at the higher end at an array, with prices of ₤ 2,500/ m2 plus.

 

How to find a builder for your extension:

We will supply approximately 4 Single storey house extension pros in your area, who will provide quotes for the job you want done. You'll receive a property visit from specialists in Kings Langley that'll help you to select the best Single storey house extension for your house prior to performing the installment. Enter your postal code to begin browsing currently.

Average Single storey house extension cost in Kings Langley

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 Kings Langley, as reported by local LeadsDoWork members.

Single storey house extension installation cost in Kings Langley 2026

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

Single storey house extension searches in July 2026

Single storey house extension Projects in Kings Langley in June 2026

199

Requests for quotations in Kings Langley in June 2026

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Requests for Single storey house extension quotations in Kings Langley in June 2026. 0% change from May 2026.

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Requests for Single storey house extension quotations in Hertfordshire in June 2026. 0% change from May 2026.

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

Single storey house extension searches in cities and towns near Kings Langley June 2026

Kings Langley

Kings Langley is a historic village as well as civil parish in Hertfordshire, England, 21 miles (34 kilometres) northwest of main London to the south of the Chiltern Hills as well as now part of the London traveler belt. The village is split in between two city government districts by the River Gade with the bigger western section in the Borough of Dacorum and also smaller part, to the east of the river, in Three Rivers Area. It was when the location of Kings Langley Palace, a royal palace of the Plantagenet kings of England. The 12th century parish church of All Saints' homes the tomb of Edmund of Langley (1341-- 1402), the very first Duke of York. It is 2 miles (3.2 kilometres) south of Hemel Hempstead and also 2 miles (3.2 kilometres) north of Watford. The place-name Langley is first proven below in a Saxon charter of circa 1050, where it appears as Langalega. It is meant Langelai in the Domesday Book of 1086, and also is recorded as Langel' Regis in 1254. The name indicates 'long wood or clearing'.

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Single storey house extension pros in Kings Langley

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
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 Kings Langley

27 Jan

House Extensions | Single Storey

Kings Langley - WD4

Enquiry from: Philip S

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: Semi detached Looking Fo...

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24 Jan

House Extensions | Single Storey

Kings Langley - WD4

Enquiry from: Philip S

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: Semi detached Looking Fo...

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03 May

House Extensions | Single Storey

Amersham - HP6

Enquiry from: Carole L

Start Date: Immediate

Drawings for building regs for a single storey 3x5 rear extension and timeframe of availability to complete the work please

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04 Jul

House Extensions | Single Storey

High Wycombe - HP10

Enquiry from: Eizer B

Start Date: 1 to 3 months

a single storey rear extension (4 x 11.8m) and internal work time scale: 1-3 months please call to appoint

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05 Sep

House Extensions | Single Storey

Slough - SL1

Enquiry from: Bart M

Start Date: 1 to 3 months

one room single storey standard finish time scale: 1-3 months please call to appoint

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09 Aug

House Extensions | Single Storey

Amersham - HP6

Enquiry from: Lee R

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: semi detached looking fo...

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25 Jan

House Extensions | Single Storey

Aylesbury - HP22

Enquiry from: Elizabeth T

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: Semi detached Looking Fo...

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19 Nov

House Extensions | Single Storey

High Wycombe - HP10

Enquiry from: Adam G

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: Semi detached Looking Fo...

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16 Nov

House Extensions | Single Storey

Chesham - HP5

Enquiry from: Charlotte 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: Terrace Looking For: Sin...

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18 Apr

House Extensions | Single Storey

Slough - SL2

Enquiry from: Nigel M

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: Terrace Looking For: Sin...

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17 Mar

House Extensions | Single Storey

Beaconsfield - HP9

Enquiry from: Raghib A

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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16 Feb

House Extensions | Single Storey

High Wycombe - HP15

Enquiry from: Bieza A

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: Semi detached Looking Fo...

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07 Jan

House Extensions | Single Storey

High Wycombe - HP13

Enquiry from: NAOMI D

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: Semi detached Looking Fo...

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21 May

House Extensions | Single Storey

Slough - SL1

Enquiry from: Bill 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: Owner of the property Property Type: Detached Looking For: Si...

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07 May

House Extensions | Single Storey

Aylesbury - HP22

Enquiry from: Kathryn C

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: Semi detached Looking Fo...

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26 Apr

House Extensions | Single Storey

Slough - SL1

Enquiry from: Imran K

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: Terrace Looking For: Sin...

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11 Apr

House Extensions | Single Storey

High Wycombe - HP11

Enquiry from: Philip P

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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10 Apr

House Extensions | Single Storey

Aylesbury - HP22

Enquiry from: Mrs K

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: Semi detached Looking Fo...

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11 Mar

House Extensions | Single Storey

Amersham - HP6

Enquiry from: Walid M

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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04 Mar

House Extensions | Single Storey

High Wycombe - HP11

Enquiry from: William 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: Owner of the property Property Type: Detached Looking For: Si...

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FAQs

how much does a single storey house extension cost?

If you’re planning to build a single story house extension, this is one of the first questions that usually comes to mind to help you set a budget and start to make plans. But as simple as it seems, a single accurate answer can not be provided due to the fact that there are several variables that can play a key role in influencing the price of a single story house extension. These variables includes the size, location, design or specification as well as the build route. In this guide, we’ll provide you with a rough estimate that you can work with to put you on the right path.

The main determinant of the cost of a single storey extension is the size of the build, while the next most relevant factor is the quality of the finish you opt for. For a small extension, you can expect to spend a sum within the range of £14,000 to £17,000. Meanwhile for a larger single storey extension, if you opt for a large wrap around the extension with a great amount of glass to be incorporated in both the walls and roof, you can expect to pay a sum within the range of £80,000 to £120,000.

Overall, the average cost of a single story house extension is usually within the range of £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.

There are some additional costs you may also need to factor in to your extension budget. These includes surveys, architect fees, planning application fee (if needed), insurance and Party Wall Agreement (if needed).

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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Kings Langley Single storey house extension installers are rated 4 out of 5 based on 5 reviews of 49 pros.
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