House Extensions | Single Storey
St Lawrence, St Ouen, St Mary, St John, Trinity, Grouville - JE3
Enquiry from: Alexandra A
Start Date: Immediate
Remove the existing conservatory and build an extension
Are you seeking Single storey house extension in Channel Isles? Our network of builders can aid with your task. Every one of our Builder in Channel Isles are checked so you can see local consumer reviews, when the business was formed, ratings, satisfaction as well as day rate, allowing you to make the best choice on who to work with. Allow us take the inconvenience out of finding approximately 4 professionals 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 can be quite cost effective and they're suitable for a multitude of 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 usually be placed to either the side or back of your home. Single storey home extensions are often used to expand kitchen areas or to put in a downstairs study or utility room.
Also, they are 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 create a sizeable 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 is still required to ensure that the new space is practical and attractive. Professional 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 present building. Your single storey home extension could be designed to accentuate your current property and use similar materials for its construction or be made to contrast, providing an impressive effect by using differing materials.
Variables that impact Single Storey Extension Prices
There are a couple of aspects to remember when you are setting your spending plan. The main elements that influence the price of a single storey extension are the size and the coating. However there are other factors that it is worth keeping in mind while you are making your plans.
Expensive Groundworks Needed
If it is difficult to dig the foundations and lay the footing for your extension, then this can boost the price of your extensions. This might be the case if the ground is tough to deal with. Particles in the ground can likewise elevate the costs.
Kitchen Extensions:
Kitchen extensions mostly fall into the realms of single floor extensions, although all type of house extensions could be utilized to incorporate extra space for a kitchen.
As an approximate overview, a single floor extension will set you back from ₤ 1,000 - ₤ 2,000/ m2, with a standard construct at the reduced end of the scale as well as an excellent construct high quality at the greater end at an array, with prices of ₤ 2,500/ m2 plus.
How to find a builder for your extension:
We will give as much as four Single storey house extension pros in your area, that will certainly use quotes for the work you want done. You'll get a property visit from professionals in Channel Isles that'll assist you to select the ideal Single storey house extension for your residence before carrying out the installment. Enter your postcode to begin searching now.
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
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£35300
£26475
£17650
£8825
£0
| Labour cost | £14,000 | |
| Material cost | £12,000 | |
| Waste removal | £3,000 |
Requests for quotations in Channel Isles in May 2026
Requests for Single storey house extension quotations in Channel Isles in May 2026. 0% change from April 2026.
Requests for Single storey house extension quotations in in May 2026. 0% change from April 2026.
St Lawrence, St Ouen, St Mary, St John, Trinity, Grouville - JE3
Enquiry from: Alexandra A
Start Date: Immediate
Remove the existing conservatory and build an extension
St Helier, St Clement, St Saviour - JE2
Enquiry from: Howard 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...
St Helier, St Clement, St Saviour - JE2
Enquiry from: Howard T
Start Date: Less than one month
ground floor extension single floor with bi folding doors are you the property owner: owner of the property looking for: single storey extension do you have planning permission: no do you have plans d...
St Helier, St Clement, St Saviour - JE2
Enquiry from: Tracey B
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...
St Helier, St Clement, St Saviour - JE2
Enquiry from: Philippa M
Start Date: Immediate
Single storey extension to the rear of the property, architect plans already drawn building and planning permissions granted
St Helier, St Clement, St Saviour - JE2
Enquiry from: Denis L
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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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).
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.
If you’re planning to add a kitchen extension to your property or perhaps you’re simply looking for ways to increase the value of your property, this is one of the common questions that usually pops up. A simple answer to this question is yes, a kitchen extension will add value to your house. With a kitchen being one of the most frequently used room in a house, adding an extra space to the commonly used room can only increase the value of the entire property. However, to determine the value added by such an extension, there’s a need to calculate the cost of setting one up first.
Kitchen extension costs are greatly influenced by a wide range of variables such as the size, type of the extension and specifications, your location, professional fees, materials used and more. Overall, the type of the extension you opt for will play the most significant role in the determination of your kitchen extension cost. Here, we’ll be looking at a single storey kitchen extension.
For a single storey kitchen extension, you can expect your home’s market value to increase within the range of 5 percent to about 10 percent. When trying to calculate the cost of kitchen extension, it’s crucial to take into account how much value it’ll add to your home so as to make sure that the amount expended will not outweigh the expected value to be added by the project.
For a more accurate idea, there’s the need to consult local estate agents. However, for a much needed guideline, single storey kitchen extensions are usually able to add about 5 to 10 percent to a home’s value, while double storey extension should be up to 20 percent. But as stated earlier, this will depend on several variables.
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.
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