Basement conversions fluctuate in cost depending on project scale, professionals hired and location. If your basement conversion doesnât need any construction work, then it should cost relatively little. However, the majority of projects at least need damp proofing and water proofing work, if not insulation, heating, electrical work and more. This means that even smaller basement conversion projects are still relatively expensive. The average UK cost ranges from £30,000 - £50,000.
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£46500
£34875
£23250
£11625
£0
| Labour cost | £28,000 | |
| Material cost | £10,000 | |
| Waste removal | £2,000 |
Requests for quotations in Merton in October 2024
Requests for Basement renovation quotations in Merton in October 2024. 0% change from September 2024.
Requests for Basement renovation quotations in London County in October 2024. 0% change from September 2024.
The London Borough of Merton is a borough in south-west London, England. The borough was formed under the London Government Act 1963 in 1965 by the merger of the Municipal Borough of Mitcham, the Municipal Borough of Wimbledon along with the Merton and Morden Urban District, all formerly inside Surrey. The borough derives its name from the historic parish of Merton, which was centred on the area now generally known as South Wimbledon. The local authority is Merton London Borough Council.
In accordance with population estimates made during 2014, the borough has a permanent population of about 203515 people. Merton is served by a wide array of National Rail stations across the borough, along with the southern tip of the London Underground's Northern line and the District line on the Wimbledon branch. It is the only London Borough which has tube, rail and tram services.
The key industrial centres in Merton are Mitcham, Morden and Wimbledon, of which Wimbledon is the largest. Other smaller centres include Raynes Park, Colliers Wood, South Wimbledon, Wimbledon Park and Pollards Hill. Every year, Wimbledon, one of the four tennis Grand Slam tournaments, is held at the All England Lawn Tennis and Croquet Club in Church Road Wimbledon. The occasion takes place over a fortnight at the end of June and start of July and it is the largest annual sporting occasion to take place in the UK, attracting over 200000 guests for the duration of the Wimbledon fortnight.
From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.
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London - SW17
Enquiry from: Ben M
Start Date: Immediate
Basement window installation.
London - SW16
Enquiry from: Giselle S
Start Date: Less than one month
make an existing 32sq m basement waterproof, add a light well, and convert into x2 bedrooms and a bathroom are you the property owner: owner of the property property type: detached how many rooms are...
London - SW16
Enquiry from: Jonathan B
Start Date: 1 to 3 months
Hi, I'd like to enquire about converting our basement into a habitable space. Please see our flat just before we bought it last year on the following link: https://www.purplebricks.co.uk/prop...
London - SW18
Enquiry from: Leila M
Start Date: Less than one month
To remove and replace flooring in cellar. To remove skirting boards and replace with new. Paint and decorate walls. Time scale: Less than one month Please call to appoint
London - SW16
Enquiry from: Jenny K
Start Date: 1 to 3 months
Make basement from existing cellar with 1.6 m head height, Size 26 foot by 12 foot. Make entrance under existing bay window. To include small bathroom. Good quality finish Time scale: 1-3 months
London - SW16
Enquiry from: Shah H
Start Date: Immediate
We like to have a new build basement with 2/3 bedrooms living room, kitchen, bath in a mid terrace house
London - SW16
Enquiry from: MIRKO B
Start Date: Immediate
To convert a 30 square meter basement (currently used as a cellar) into no.2 bedrooms and no.1 bathroom. It is an open space, 1.50m in height (requiring excavation to achieve a standard ceiling height...
Sunbury-on-Thames - TW16
Enquiry from: Paul L
Start Date: Immediate
I am interested in a consultation regarding converting our existing basement into a liveable bedroom. It has two existing windows, which although small, allow in some natural light from the garden.
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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.
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If your basement has a cavity drain membrane, it’ll need a pump to move water away from the exterior of your basement and prevent flooding.
Sump pumps can be noisy, but they don’t have to be. Generally, if you have a well-designed pump that’s installed correctly, you shouldn’t find it a problem. For best results, hire a skilled, experienced professional to supply and install your drainage system.
Windows or lightwells can be a great way to introduce natural light into your basement, making it a more valuable, enjoyable space. However, they’re not always an essential requirement.
It’s important for your basement conversion to meet ventilation and fire safety building regulations. Windows can be a good way to do this, but they’re not the only option. Stack or mechanical ventilation, or ensuring that stairs up from your basement connect to an exit can be a good alternative.
So, while windows can be a great asset to your basement conversion, if you can’t afford them or they’re not structurally feasible, you can still create a basement conversion without them.
The best way to go about converting a basement depends on its current condition and what you’d like to use it for.
If you’re happy with its size and structure, and just want to turn it into useful storage space, then your project shouldn’t be too complicated. You’ll simply need to make sure it’s damp proof and waterproof – either by fitting tanking or a cavity drain membrane with a sump and pump. You may also need to invest in new flooring, fit basic lighting, and plaster and paint the walls and ceiling.
If you’d like to turn your basement into living space, then you’ll need to think about ventilation, insulation and heating. If this involves creating a kitchen or bathroom, you’ll also need to incorporate plumbing.
If you want to extend your basement, add lightwells, or fit windows and a sunken garden, this makes things much more complicated. You’ll probably want to hire an architect or basement conversion building specialist to help you with the design and planning, and you’ll need a structural engineer to help you ensure your property is sufficiently supported.
In some cases, it’s possible to convert a basement into an apartment. This can be a great way to incorporate an additional dwelling into your property and increase its value. However, converting a basement into an apartment can be quite expensive and time-consuming.
As with any type of dwelling, you’ll need to think about basic things like access, damp proofing, ventilation, insulation, heating, electrics, plumbing, lighting and décor. If you’re planning on extending your basement, then you’ll also need to ensure that your property is sufficiently supported.
It’s a good idea to consult a professional, like a basement conversion building specialist, to find out how feasible your project is before you go ahead with it.
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