Ground floor House Extension in Westerham

Find Single Storey House Extension Prices in Westerham

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

Ground floor House Extension in Westerham

Are you looking for Single storey house extension in Westerham? Our network of builders can help with your job. All of our Builder in Westerham are examined so you can see local testimonials, when business was set up, reviews, satisfaction and also day rate,  enabling you to make the right decision on who to employ. Let us take the inconvenience out of locating approximately 4 pros for your Single storey house extension job.

Single storey extensions are a great way to add space and value to your home. A single storey extension is often very cost effective and they are appropriate for a multitude of properties. Smaller sized single storey home extensions can be built without having to apply for planning permission as they are protected by permitted development rights. Large single storey extensions will still need planning permission. Single storey home extensions can also usually be located to either the side or back of a property. Single storey home extensions can be used to expand kitchens or to put in a downstairs study or utility room.

 

Also, they are often used to make a larger open plan area in the downstairs of the home that might be used as a kitchen diner or living area. Adding roof lighting and bifold doors to your home extension will generate a sizeable 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 is essential to make sure that the new space is useful and beautiful. Experienced architects and building contractors can advise you on the most appropriate design for your home extension, taking into account the requirements of the new space as well as the best way to complement the existing building. Your single storey home extension could be made to complement your present property and make use of similar materials for its construction or be made to contrast, offering an impressive effect by using different materials.

 

Variables that impact Single Storey Extension Costs

There are a few variables to keep in mind when you are setting your budget plan. The primary variables that influence the cost of a single storey extension are the size as well as the surface. But there are various other variables that it is worth keeping in mind while you are making your plans.

Very Expensive Groundworks Needed

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

  • Grade of Fixtures as well as Fitting
    After the dimension of the extension, the following most significant factor is the caliber of the surface. Selecting high-end choices can lead to the final rate being more than dual what it would certainly be when picking the fundamental choices.
  • Size of Extension
    When you are getting an extension on your house, the single biggest element that will certainly impact the cost of your extension is the size of it. The bigger the extension is, the extra you will certainly end up paying. If the area inside the extension is basic, without interior wall surfaces, then this will reduce the cost per m2 a little. However, even with this in mind. The bigger the location of your extension, the more you pay.
  • Sort of Extension
    The type of extension you select will certainly go a long way in the direction of determining how large your extension will be. Side return extensions develop the tiniest added space so are frequently the most affordable choice, while a wraparound kitchen area extension will create the most space as well as have the most high priced fittings as well as components.
  • Building Regulations
    Most of the times, building regulations don't add a great deal of cost to a structure project. However, if you are building an extension onto an older residence, there might be some unanticipated costs. This is particularly real if the residence has actually not recently been updated. Structure policies will put on your whole house, not just the extension. This can result in the need for electrics to be taken a look at or door changed.

 

Kitchen Extensions:

Kitchen extensions largely fall into the realms of ground storey extensions, although all kinds of property extensions could be used to integrate 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 basic develop at the lower end of the scale as well as an outstanding develop high quality at the greater end at a variety, with prices of ₤ 2,500/ m2 plus.

 

How to find a builder for your extension:

We will provide as much as 4 Single storey house extension pros in your area, that will provide quotes for the work you want done. You'll receive a home visit from experts in Westerham who'll aid you to pick the ideal Single storey house extension for your home prior to performing the installment. Enter your postcode to start searching currently.

Average Single storey house extension cost in Westerham

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 Westerham, as reported by local LeadsDoWork members.

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

250

Requests for quotations in Westerham in May 2026

0

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

0

Requests for Single storey house extension quotations in Kent 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 Westerham May 2026

Westerham

Westerham is a community and civil parish in the Sevenoaks Area of Kent, England, located 5 miles (8 km) west of Sevenoaks. It is recorded as early as the 9th century, and was stated in the Domesday Book in a Norman type, Oistreham (compare Ouistreham in Normandy, Oistreham in 1086). Ham is Old English for a village or homestead, therefore Westerham implies a westerly homestead. The River Darent streams with the town, and formerly powered three watermills. Westerham was house to the Black Eagle Brewery, which was taken control of by Taylor Walker & Co in the 1950s, becoming part of Ind Coope in 1959 and also enclosing 1965. Yeast from the brewery was protected at the National Collection of Yeast Societies and also is now used by the existing day Westerham Brewery which was established in 2004 by Robert Wicks. The brewery generates a variety of ales, including Westerham British Bulldog. Westerham was house to Crayford Engineering, an effective cars and truck conversion business, from 1962 to the 1980s, working from a workshop at Squerryes Mede.

Looking for Single storey house extension in Westerham?

Get free quotes from local builders

Get free quotes

Similar Customer Enquiries for Single storey house extension in Westerham

13 May

House Extensions | Single Storey

Westerham - TN16

Enquiry from: Larry W

Start Date: 1 to 3 months

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

Post a similar request >

18 Apr

House Extensions | Single Storey

Westerham - TN16

Enquiry from: Zena N

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...

Post a similar request >

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...

Post a similar request >

14 Oct

House Extensions | Single Storey

Tunbridge Wells - TN4

Enquiry from: Alasdair R

Start Date: 1 to 3 months

remove existing 1.5 sqm single storey rear extension (which is a wc) and replace with 5 sqm single storey rear extension (to include a wc) which joins on to and matches the neighbour's similar extensi...

Post a similar request >

10 Oct

House Extensions | Single Storey

Tunbridge Wells - TN4

Enquiry from: Alasdair R

Start Date: 1 to 3 months

remove existing 1.5 sqm single storey rear extension (which is a wc) and replace with 5 sqm single storey rear extension (to include a wc) which joins on to and matches the neighbour's similar extensi...

Post a similar request >

15 Sep

House Extensions | Single Storey

Tunbridge Wells - TN4

Enquiry from: Alasdair R

Start Date: 1 to 3 months

remove existing 1.5 sqm single storey rear extension (which is a wc) and replace with 5 sqm single storey rear extension (to include a wc) which joins on to and matches the neighbour's similar extensi...

Post a similar request >

08 Aug

House Extensions | Single Storey

Lingfield - RH7

Enquiry from: Esther R

Start Date: Immediate

customer in lingfield 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.pl...

Post a similar request >

30 Jun

House Extensions | Single Storey

Horley - RH6

Enquiry from: Renu G

Start Date: Immediate

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

Post a similar request >

01 Jan

House Extensions | Single Storey

Horley - RH6

Enquiry from: Brian H

Start Date: Immediate

extension on back of bungalow are you the property owner: owner of the property looking for: single storey extension do you have planning permission: no do you have plans drawn up: no do you require p...

Post a similar request >

08 Jun

House Extensions | Single Storey

Horley - RH6

Enquiry from: Greig 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...

Post a similar request >

10 May

House Extensions | Single Storey

Edenbridge - TN8

Enquiry from: Luke V

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...

Post a similar request >

22 Apr

House Extensions | Single Storey

Horley - RH6

Enquiry from: Greig R

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...

Post a similar request >

16 Apr

House Extensions | Single Storey

Horley - RH6

Enquiry from: Greig R

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...

Post a similar request >

09 Apr

House Extensions | Single Storey

Horley - RH6

Enquiry from: Greig R

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...

Post a similar request >

28 Dec

House Extensions | Single Storey

Edenbridge - TN8

Enquiry from: Jaime J

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...

Post a similar request >

07 Dec

House Extensions | Single Storey

Reigate - RH2

Enquiry from: Paul O

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...

Post a similar request >

13 Sep

House Extensions | Single Storey

Redhill - RH1

Enquiry from: Filiz O

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...

Post a similar request >

18 Aug

House Extensions | Single Storey

East Grinstead - RH19

Enquiry from: Jane T

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...

Post a similar request >

22 Feb

House Extensions | Single Storey

Tonbridge - TN10

Enquiry from: Patrick 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: Semi detached Looking Fo...

Post a similar request >

01 Feb

House Extensions | Single Storey

Tunbridge Wells - TN4

Enquiry from: Denhy 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: Detached Looking For: Si...

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 Westerham

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

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 much is a ground floor extension?

Generally, extensions can be a very tricky undertaking - where it can be quite difficult to have a clear comprehension of the rules, regulations as well as costs. Therefore before you rush in to kick start your ground floor extension project, it’ll be wise to get a good grip on the cost. In this article, we’re going to give you a rough estimate of the cost of a ground floor extension. Let’s take a look!

Just like several other home improvement projects, the cost of constructing a ground floor extension is based on a number of things which includes the size, materials used, your location, the quality of the tradesmen or company hired and lots more. For instance, if you happen to reside in London, the cost of your ground floor extension is going to be a lot higher than the other regions.

The single cost of a ground floor extension should fall within the range of £1,500 per square metre to about £2,000 per square metre. However, if you happen to live in London or the South East, this price can reach up to £1,900 per square metre to about £2,400 per square metre. These prices are for good quality ground floor extensions only. Basic or low quality extensions would naturally cost less while superior quality extension will cost more.

Now looking at the size of the ground floor extension, if you’re looking for a size of about 5m x 5m, you can expect to pay a price within the range of £32,000 to about £36,000. And as usual, in London or the South East, this price can reach up to £50,000 or even more. And that’s just for constructing the extension. If the other relevant costs like the 10 percent to 15 percent professional fees for the architect, planning application (if needed), building regulations and more, the price goes up.

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.

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.

Single storey house extension

Other Top Projects in Westerham

Customer Reviews

Overall rating:


Westerham Single storey house extension installers are rated 4.4 out of 5 based on 7 reviews of 50 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 Westerham Single storey house extension contractors

Are you a builder in Westerham?

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

Join today