Ground floor House Extension in Welwyn Garden City

Get Single Storey House Extension Prices in Welwyn Garden City

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Ground floor House Extension in Welwyn Garden City

Are you trying to find Single storey house extension in Welwyn Garden City? Our network of builders can assist with your task. Every one of our Builder in Welwyn Garden City are inspected so you can see local reviews, when the business was opened, ratings, satisfaction and cost,  allowing you to make the best choice on who to hire. Let us take the headache out of finding as much as 4 pros 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 very affordable and they're suited to many houses. Smaller sized single storey home extensions can be built without the need to make an application for planning permission because they are protected by permitted development rights. Sizeable single storey extensions will still need planning permission. Single storey home extensions can also typically be located to either the side or back of your home. Single storey home extensions can be used to expand kitchen areas or to add a downstairs study or utility room.

 

They are also often used to make a larger open plan area in the downstairs of the property that may be used as a kitchen diner or living area. Adding roof lights and bifold doors to your home extension will create a big airy space that creates a seamless transition into the garden. While single storey home extensions may appear less complicated than other kinds of extension, careful planning continues to be required to ensure that the new space is practical and attractive. Qualified architects and builders can give you advice on the most suitable design for your home extension, taking into account the needs of the new space as well as the best way to complement the pre-existing building. Your single storey home extension could be made to accentuate your existing property and use similar materials for its construction or be made to contrast, supplying an impressive effect by using different materials.

 

Factors that effect Single Storey Extension Prices

There are a few factors to remember when you are setting your budget plan. The main aspects that affect the price of a single storey extension are the dimension and the coating. But there are other elements that it deserves keeping in mind while you are making your strategies.

High Priced Groundworks Needed

If it is tough to dig the structures and lay the footing for your extension, after that this can increase the cost of your extensions. This might be the case if the ground is tough to work with. Debris in the ground can additionally elevate the prices.

  • Quality of Fixtures as well as Fitting
    After the dimension of the extension, the next most significant element is the grade of the surface. Selecting high-end options can lead to the final rate being greater than double what it would be when selecting the fundamental choices.
  • Size of Extension
    When you are obtaining an extension on your home, the single greatest element that will influence the cost of your extension is the size of it. The bigger the extension is, the a lot more you will wind up paying. If the area inside the extension is easy, without any internal walls, then this will certainly decrease the cost per m2 a little. Nevertheless, even with this in mind. The larger the area of your extension, the extra you pay.
  • Sort of Extension
    The type of extension you pick will go a long way in the direction of dictating how huge your extension will certainly be. Side return extensions create the tiniest added area so are often the most inexpensive option, while a wraparound kitchen extension will certainly create one of the most space and also have the most high-priced fittings as well as components.
  • Building Regulations
    In many cases, constructing laws don't include a great deal of price to a building task. However, if you are constructing an extension onto an older house, there might be some unexpected prices. This is particularly real if the house has not just recently been updated. Structure guidelines will put on your whole residence, not simply the extension. This can cause the need for electrics to be checked out or door replaced.

 

Kitchen Extensions:

Kitchen extensions greatly fall into the areas of single storey extensions, although all type of house extensions could be utilized to include additional space for a kitchen.

As an approximate guide, a single storey extension will certainly cost from ₤ 1,000 - ₤ 2,000/ m2, with a basic develop at the reduced end of the range and an excellent develop quality at the higher end at a variety, with prices 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 locally, that will supply quotations for the job you desire done. You'll get a property visit from professionals in Welwyn Garden City who'll assist you to select the best Single storey house extension for your home before executing the installment. Enter your postcode to begin looking now.

Average Single storey house extension cost in Welwyn Garden City

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 2025

Avg. price low

Avg. price low
£21,600

Avg. price

Avg. price
£29,500

Avg. price high

Avg. price high
£37,400

£37900

£28425

£18950

£9475

£0

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

Single storey house extension installation cost in Welwyn Garden City 2025

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

Single storey house extension searches in March 2025

Single storey house extension Projects in Welwyn Garden City in February 2025

1,825

Requests for quotations in Welwyn Garden City in February 2025

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Requests for Single storey house extension quotations in Welwyn Garden City in February 2025. 0% change from January 2025.

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Requests for Single storey house extension quotations in Hertfordshire in February 2025. 0% change from January 2025.

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

Single storey house extension searches in cities and towns near Welwyn Garden City February 2025

Welwyn Garden City

Welwyn Garden City is a town within the Welwyn Hatfield borough of Hertfordshire. It is unique as both a garden city and also a new town, having a population of 43,252, and it's positioned only 20 miles from London within East England. With its historical significance, Welwyn Garden City appeals to a huge number of visitors throughout the year. For the best price for your upcoming project assess quotations from vetted companies in Welwyn and make sure a high quality finish for the work you need completed.

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08 Sep

House Extensions | Single Storey

Welwyn Garden - AL8

Enquiry from: Helen G

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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23 Aug

House Extensions | Single Storey

London - E4

Enquiry from: Simon F

Start Date: 1 to 3 months

customer in london 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 23/08/2024 15:26.please ca...

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17 Aug

House Extensions | Single Storey

London - N11

Enquiry from: Navin H

Start Date: 1 to 3 months

i have planning approval to add a rear ground floor extension to an end terrace house. the footprint is 4.5m deep by 6.055m wide. the extension /pod is to be bolted to the rear elevation of the house...

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14 Aug

House Extensions | Single Storey

London - N11

Enquiry from: Navin H

Start Date: 1 to 3 months

i have planning approval to add a rear ground floor extension to an end terrace house. the footprint is 4.5m deep by 6.055m wide. the extension /pod is to be bolted to the rear elevation of the house...

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22 Jul

House Extensions | Single Storey

London - N11

Enquiry from: Navin H

Start Date: 1 to 3 months

i have planning approval to add a rear ground floor extension to an end terrace house. the footprint is 4.5m deep by 6.055m wide. the extension /pod is to be bolted to the rear elevation of the house...

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09 Jul

House Extensions | Single Storey

London - N13

Enquiry from: Sonya D

Start Date: 1 to 3 months

Single storey house extension Lead

kitchen extension with bifold doors out onto patio leading to garden time scale: 1-3 months please call to appoint

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24 Apr

House Extensions | Single Storey

London - NW7

Enquiry from: Monsur M

Start Date: Immediate

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

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17 Aug

House Extensions | Single Storey

London - N11

Enquiry from: Rashmi S

Start Date: Immediate

customer in the london 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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25 Jul

House Extensions | Single Storey

London - NW9

Enquiry from: Gunal K

Start Date: 1 to 3 months

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

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25 Jun

House Extensions | Single Storey

London - N18

Enquiry from: Kathryn E

Start Date: 1 to 3 months

customer in london areas is looking to do a couple of projects at the moment, and would like quotes for single storey house extension.confirmed interest via email at 25/06/2021 12:28.please call to ar...

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07 Jun

House Extensions | Single Storey

Edgware - HA8

Enquiry from: Madhu 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: detached looking for: si...

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08 May

House Extensions | Single Storey

London - E4

Enquiry from: Bulent E

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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29 Jan

House Extensions | Single Storey

London - N11

Enquiry from: Navin H

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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02 Sep

House Extensions | Single Storey

London - E4

Enquiry from: ATUL 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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14 Aug

House Extensions | Single Storey

Edgware - HA8

Enquiry from: Mario B

Start Date: Less than one month

Property owner House extension Please call to appoint

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16 Nov

House Extensions | Single Storey

London - N2

Enquiry from: Sarah E

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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05 Nov

House Extensions | Single Storey

Edgware - HA8

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

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30 Oct

House Extensions | Single Storey

London - N22

Enquiry from: ESSAM B

Start Date: Immediate

*Homeowner House extension Please call to appoint

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15 Aug

House Extensions | Single Storey

Edgware - HA8

Enquiry from: Jane N

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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09 Aug

House Extensions | Single Storey

London - NW9

Enquiry from: Lorine N

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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FAQs

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 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 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.

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