Ground floor House Extension in Middlesex

Find Single Storey House Extension Prices in Middlesex

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Ground floor House Extension in Middlesex

Are you seeking Single storey house extension in Middlesex? Our network of builders can assist with your project. Every one of our Builder in Middlesex are checked so you can see local write-ups, when the business was founded, reviews, satisfaction and also cost,  allowing you to make the appropriate choice on who to work with. Let us take the headache out of finding as much as 4 professionals for your Single storey house extension job.

Single storey extensions are a great way to add space and value to your property. A single storey extension can be quite affordable and they are appropriate for a multitude of homes. Smaller single storey home extensions can be built without having to apply for planning permission as they are protected by permitted development rights. Sizeable single storey extensions will still need planning permission. Single storey home extensions can also generally be positioned to either the side or back of your property. Single storey home extensions can be used to extend kitchen areas or to put in a downstairs study or utility room.

 

They are also 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 creates a seamless transition in to the garden. While single storey home extensions may appear less complicated than other sorts of extension, careful planning is essential to make sure that the new space is practical and attractive. Competent architects and contractors can give you advice on the most appropriate 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 accentuate your current property and employ similar materials for its construction or be made to contrast, offering an impressive effect by using different materials.

 

Factors that effect Single Storey Extension Costs

There are a couple of variables to keep in mind when you are setting your budget. The main elements that impact the cost of a single storey extension are the size and the surface. However there are various other aspects that it deserves keeping in mind while you are making your plans.

High-priced Groundworks Needed

If it is hard to dig the foundations as well as lay the footing for your extension, then this can enhance the cost of your extensions. This may be the case if the ground is hard to deal with. Debris in the ground can additionally increase the prices.

  • Grade of Fixtures and Fitting
    After the dimension of the extension, the following largest element is the grade of the finish. Choosing high-end choices can lead to the last price being more than double what it would be when choosing the basic choices.
  • Size of Extension
    When you are obtaining an extension on your home, the single most significant element that will impact the price of your extension is the size of it. The larger the extension is, the much more you will wind up paying. If the area inside the extension is straightforward, with no interior walls, then this will certainly decrease the price per m2 somewhat. Nevertheless, despite this in mind. The bigger the area of your extension, the a lot more you pay.
  • Sort of Extension
    The sort of extension you choose will certainly go a long way towards dictating just how huge your extension will be. Side return extensions produce the smallest extra room so are usually the most inexpensive option, while a wraparound cooking area extension will produce one of the most room as well as have one of the most pricy fittings and components.
  • Building Regulations
    Most of the times, building guidelines don't add a great deal of cost to a structure task. Nevertheless, if you are building an extension onto an older residence, there might be some unanticipated costs. This is specifically real if the home has not lately been updated. Building laws will put on your entire house, not just the extension. This can cause the demand for electrics to be checked out or door changed.

 

Kitchen Extensions:

Kitchen extensions mainly come under the areas of single storey extensions, although all sort of house extensions could be used to integrate extra area for a kitchen.

As an approximate guide, a single storey extension will cost from ₤ 1,000 - ₤ 2,000/ m2, with a fundamental build at the lower end of the range and also an outstanding build top quality at the greater end at a variety, with costs 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 certainly offer quotes for the work you want done. You'll obtain a home visit from experts in Middlesex that'll assist you to pick the appropriate Single storey house extension for your residence prior to accomplishing the installation. Enter your postal code to begin looking currently.

Average Single storey house extension cost in Middlesex

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 Middlesex, as reported by local LeadsDoWork members.

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

10,922

Requests for quotations in Middlesex in May 2026

0

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

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Requests for Single storey house extension quotations in Greater London 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 Middlesex May 2026

Middlesex

Middlesex can be found on the outskirts of Greater London and is amongst England's 39 traditional counties. It's the second smallest by area but still features a population more than two million. Even with a decrease in population right after the Second World War, regeneration assisted the area become great once more for the duration of the 1960s. Consequently, there is lots of houses post World War Two, all requiring upgrading to keep value and aesthetic appeal in the Middlesex County. For any property improvements you're thinking about, only use vetted specialists in your region to ensure high quality.

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Single storey house extension pros in Middlesex

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 Middlesex

04 Sep

House Extensions | Single Storey

Southall - UB2

Enquiry from: Jasdeep B

Start Date: Less than one month

Single storey house extension Lead

require: single storey extension for a mid-terrace house. area: 18m2 tiled pitch roof. pvc standard windows. pvc french door. nothing fancy. could you please email me a quote invoice for this job ple...

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01 Mar

House Extensions | Single Storey

Uxbridge - UB10

Enquiry from: Praful K

Start Date: 1 to 3 months

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

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12 Nov

House Extensions | Single Storey

Hampton - TW12

Enquiry from: Rob H

Start Date: Immediate

Single storey side extension. 3m x 5m

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04 Oct

House Extensions | Single Storey

Wembley - HA9

Enquiry from: Kiat P

Start Date: Less than one month

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

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21 Sep

House Extensions | Single Storey

Wembley - HA0

Enquiry from: Sutirtha S

Start Date: Less than one month

looking for a 6m wide and 3m deep modular single storey rear extension time scale: less than one month please call to appoint

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11 Jul

House Extensions | Single Storey

Wembley - HA0

Enquiry from: Sutirtha S

Start Date: 1 to 3 months

rear single storey extension of 6m wide and 3m depth, extending living room and also creating another adjoining room. time scale: 1-3 months please call to appoint

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22 Jun

House Extensions | Single Storey

Wembley - HA0

Enquiry from: Sutirtha S

Start Date: 1 to 3 months

rear single storey extension of 6m wide and 3m depth, extending living room and also creating another adjoining room. time scale: 1-3 months please call to appoint

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07 Mar

House Extensions | Single Storey

Hayes - UB4

Enquiry from: Neville L

Start Date: Immediate

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

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05 Mar

House Extensions | Single Storey

Northolt - UB5

Enquiry from: Boma F

Start Date: 1 to 3 months

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

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04 Mar

House Extensions | Single Storey

Harrow - HA1

Enquiry from: Steve S

Start Date: 1 to 3 months

customer in the harrow 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:cu...

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17 Aug

House Extensions | Single Storey

Enfield - EN3

Enquiry from: Renata D

Start Date: 1 to 3 months

extended porch with a new roof and floor. 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 y...

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04 Aug

House Extensions | Single Storey

Uxbridge - UB10

Enquiry from: Reena C

Start Date: Immediate

customer in uxbridge 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 04/08/2021 12:52.please ...

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10 Jul

House Extensions | Single Storey

Enfield - EN3

Enquiry from: Talha B

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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29 Jun

House Extensions | Single Storey

Feltham - TW14

Enquiry from: Linus O

Start Date: Immediate

customer in feltham 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.pleas...

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28 Jun

House Extensions | Single Storey

Pinner - HA5

Enquiry from: Jaivik P

Start Date: Less than one month

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

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23 Jun

House Extensions | Single Storey

Pinner - HA5

Enquiry from: Jaivik P

Start Date: Immediate

customer in the pinner 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:cu...

Post a similar request >

04 Jun

House Extensions | Single Storey

Hounslow - TW5

Enquiry from: Afzal A

Start Date: Immediate

single story side extension new kitchen and bathroom in extension new bathroom in existing house external wall insulation whole house with k rendering upvc gutter fascia and soffit laminated flooring ...

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19 May

House Extensions | Single Storey

Ruislip - HA4

Enquiry from: Amandeep S

Start Date: 1 to 3 months

looking for a builder to do a single-story rear extension and merge dining & kitchen to create an open-plan kitchen-diner. time scale: 1-3 months please call to appoint

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19 Oct

House Extensions | Single Storey

Sunbury-on-Thames - TW16

Enquiry from: Sai K

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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08 Aug

House Extensions | Single Storey

Harrow - HA1

Enquiry from: Adam H

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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FAQs

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 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 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 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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