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 Western Midlands in September 2024
Requests for Basement renovation quotations in Western Midlands in September 2024. 0% change from August 2024.
Requests for Basement renovation quotations in United Kingdom in September 2024. 0% change from August 2024.
Leamington Spa - CV31
Enquiry from: Judith W
Start Date: Immediate
Walls and floor of existing unventilated cellar to be waterproofed. Cellar floor space is 36 square metres. cellar is standard height. There is a half wall across the cellar too. There is an old coal ...
Burton-on-Trent - DE13
Enquiry from: Rob D
Start Date: Immediate
Morning I work for Newton Waterproofing and would like to offer our services to JK Basements. We offer extremely competitive pricing on our waterproofing products and we can send you leads for baemen...
Worcester - WR2
Enquiry from: Matthew M
Start Date: Immediate
Basement tanking has failed and needs repair/ replacing
Sutton Coldfield - B72
Enquiry from: Chloe H
Start Date: Immediate
Hello, I have an existing Victorian cellar and want to convert it to a bedroom. I am looking for someone to provide a completed room - including plastering painting sockets radiator etc aswell as ...
Evesham - WR11
Enquiry from: Lauren G
Start Date: Immediate
Hello, we're looking to understand the process of converting our basement. Its currently unused, and 2 separate spaces that we'd like to make one larger space to create a untility/storage area. its st...
Worcester - WR4
Enquiry from: Sadie B
Start Date: Immediate
Cellar tanking please, two side walls let water in, or Whatever you can do . We have drains in place
Worcester - WR1
Enquiry from: Francis L
Start Date: 3+ months
buying this completion next month. tank out and refurb of cellar to make it a living room size is 11x 12 ft approx are you the property owner: owner of the property property type: terrace how many ro...
Malvern - WR14
Enquiry from: Stuart B
Start Date: Immediate
Bought a house last year that has a basement that is damp. We would like to have it made waterproof in the short term and then longer term make it a usable space.
Wolverhampton - WV3
Enquiry from: Paul R
Start Date: Immediate
I need an estimate please to replace the cellar floor membrane and seal back into the existing wall membranes. Already has dual sump pump installed and the walls are finished. Seal to floor membrane w...
Newport - TF10
Enquiry from: David B
Start Date: Immediate
re tanking of floor 7mx3m, possible re tanking of walls up to 2m for storage use only. are you the property owner: owner of the property property type: detached how many rooms are currently within th...
Coventry - CV6
Enquiry from: Jeanette M
Start Date: Immediate
I have a relatively blank canvas. A wall needs to be knocked down and a kitchen diner built. A bathroom made bigger upstairs and the toilet downstairs space to be made bigger with a utility room added...
Evesham - WR11
Enquiry from: DAVID R
Start Date: Immediate
Hi we would like a subterranean gym building in our garden, approx 5m x 4.5m and 2.2m deep. Garden had side access to the street.
Coventry - CV3
Enquiry from: Amii D
Start Date: Immediate
need quote for basement tanking
Stourbridge - DY8
Enquiry from: Nadine P
Start Date: Immediate
conversion of cellar into a fully usable living space. will need electrics and plumbing for central heating. room approx 3.6x 3.6m thank you are you the property owner: owner of the property property...
Shrewsbury - SY3
Enquiry from: Eleanor O
Start Date: Immediate
tank a small cellar and make it water tight are you the property owner: owner of the property property type: detached how many rooms are currently within the basement: 1 room how many rooms do you wan...
Stourbridge - DY8
Enquiry from: Alex P
Start Date: Immediate
the auto address is incorrect, my house is on glebe lane. my problem is that the basement wasn't finished. the ventilation hole was just left as a 10cm x 10cm hole. i placed a plastic cover on to mini...
Telford - TF7
Enquiry from: Matthew P
Start Date: Less than one month
cellar needs tanking and also venting. the old coal chute is underneath a kitchen extension so a venting solution is required. we only require the cellar to be made useable as a utility room with a pa...
Stoke-on-Trent - ST7
Enquiry from: Phil H
Start Date: Immediate
dig out existing cellar that had been filled in and make into 2 bedrooms are you the property owner: owner of the property property type: semi detached how many rooms are currently within the basement...
Wolverhampton - WV2
Enquiry from: Jaswant S
Start Date: Immediate
complete basement renovation was damaged due to external collapsed cellar
Shrewsbury - SY3
Enquiry from: Kyle M
Start Date: 1 to 3 months
small cellar, needs tanking, solid steps would need to replace the existing ones. i would like to be able to use it as for storage/ utility room. would it be possible to dig down to make functional as...
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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.
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.
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.
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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