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 Wandsworth in December 2024
Requests for Basement renovation quotations in Wandsworth in December 2024. 0% change from November 2024.
Requests for Basement renovation quotations in London County in December 2024. 0% change from November 2024.
The London Borough of Wandsworth is a London borough in England, and forms a part of Inner London. The borough borders the London Borough of Lambeth to the east, the London Borough of Merton and also the Royal Borough of Kingston Upon Thames towards the south, the London Borough of Richmond upon Thames to the west and towards the north, across the River Thames, 3 boroughs, namely the London Borough of Hammersmith and Fulham, Royal Borough of Kensington and Chelsea along with the City of Westminster.
It covers an overall area of about 13.23 square miles. In accordance with population estimates produced in the middle of 2014, the borough features a permanent population of around 312145 individuals. You will find numerous new or refurbished buildings along the borough's prosperous riverside such as the substantial Chelsea Bridge Wharf.
The Peace Pagoda, one of many such international Pagodas is in Battersea Park, a sprawling rectangle often hosting circuses next to the Thames. The London Heliport, London's most important and busiest heliport is just beyond Battersea Park and south of this is New Covent Garden Market. In Old Battersea two masonry mansions survived The Blitz, Old Battersea House and Downshire House, both of which hold the uncommon Grade II* status.
From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.
Very friendly and helpful.
London - SW17
Enquiry from: Ben M
Start Date: Immediate
Basement window installation.
London - SW4
Enquiry from: William F
Start Date: Immediate
Damp identified on lower ground floor. Front to back, including from water ingress from recent downpour/flooding in the area. Rectification, damp proofing and sump required - for long-term fix. Area ...
London - SW6
Enquiry from: Lucia L
Start Date: Immediate
I would like a price quote for doing basement extension
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 - SW4
Enquiry from: Darren K
Start Date: 1 to 3 months
basement bathroom and utility area. floods after consistent heavy rain as a result of high water level. dont believe original work was to highest standard. time scale: 1-3 months please call to appoin...
London - SW11
Enquiry from: Alice T
Start Date: 1 to 3 months
Basement conversion quotations Time scale: 1-3 months Please call to appoint Time scale: 1-3 months Please call to appoint
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 - SW15
Enquiry from: Tony C
Start Date: Immediate
quote for a basement floor
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 - SW6
Enquiry from: Surinder K
Start Date: 1 to 3 months
basement conversion. Almost the same as a neighboring property.
London - SW15
Enquiry from: Moira B
Start Date: Immediate
Basement and house refurbishment
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...
London - SW12
Enquiry from: M B
Start Date: Immediate
Big out exisitng basement to become livable area, with en suite and utility area. I have architectural plans I could send you? Structural engineer drawings will be available in 2 weeks
London - SW6
Enquiry from: Anne H
Start Date: 1 to 3 months
conversion of basement from coal shoot (currently housing washing machine, dryer and freezer) into 1 bed, ensuite bathroom, utility room and open space for kids room Homeowner Please contact to ap...
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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.
Whether a basement is worth converting depends on your location and how much work it requires.
A basement conversion can be a great way to add space to your home, and can raise your property value. However, it can also be one of the most expensive ways to do this, so if there’s a possibility to extend your property, or convert a loft or garage, it’s worth considering this first.
You should also compare how much your basement conversion will cost with the amount it could raise your property value by. In some areas, a quality basement conversion could earn you money in the long run, but in others it’ll only cost you. If you’re planning on staying in your property for a long time this might not matter to you, but if it’s not your forever home then it’s an important thing to think about.
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.
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.
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