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 East Midlands in October 2024
Requests for Basement renovation quotations in East Midlands in October 2024. 0% change from September 2024.
Requests for Basement renovation quotations in United Kingdom in October 2024. 0% change from September 2024.
Nottingham - NG1
Enquiry from: Alice B
Start Date: Immediate
Hello, we have a lower ground floor which has various damp issues that need treating before we can use the space. The building is a period property and used as a commercial not residential space. If ...
Nottingham - NG5
Enquiry from: Alex H
Start Date: Immediate
Detached house but looks like a bungalow from outside, ground floor is against earth on back wall and issues with damp/water infiltration. Would like a quote and to discuss options to resolve this. Al...
Leicester - LE8
Enquiry from: Ayoola E
Start Date: Less than one month
waterproof/tank 6x4m vaulted cellar with a high water table. there is a boiler and hot water tank there that needs to be protected from rusting are you the property owner: owner of the property proper...
Chesterfield - S44
Enquiry from: Andy W
Start Date: Immediate
Need an Office within a small Basement conversion needed. There's a sump pump already there. Please advise on steps and processes please.
Nottingham - NG12
Enquiry from: Jorden G
Start Date: Immediate
looking for a damp survey for two interior walls and one exterior. both downstairs. it doesn’t look to be rising but plaster peels off the wall are you the property owner: owner of the property prop...
Nottingham - NG2
Enquiry from: Chris H
Start Date: Immediate
Cellar floods after excessive rain, currently surface layer but has been know to be higher. I’d like to understand options to waterproof and protect cellar from damp and/or water ingress
Nottingham - NG6
Enquiry from: Amy C
Start Date: Immediate
cellar is very damp which is causing problems in floor above. are you the property owner: owner of the property property type: semi detached how many rooms are currently within the basement: 2 rooms
Nottingham - NG7
Enquiry from: Sarah R
Start Date: Immediate
I would like a quote for a basement/cellar conversion please
Nottingham - NG3
Enquiry from: Kate C
Start Date: Immediate
our cellar is very damp with thick white mould over the walls and wood so need this treating and then want to convert the space
Nottingham - NG9
Enquiry from: Will R
Start Date: Immediate
I'm looking to convert my basement into a storage/utility room. Could you give me a rough quote for the waterproofing of a 5m x 2.5m (2m high) space.
Belper - DE56
Enquiry from: Mark A
Start Date: 1 to 3 months
making an existing cellar into a dry storage space. perhaps the removal of a wall if the cost isn't too prohibitive and the addition of a fan to maintain a dryer environment. are you the property own...
Derby - DE22
Enquiry from: Andrey V
Start Date: Immediate
cellar sump pump - cellar has issue with serfice water entering. are you the property owner: owner of the property property type: terrace how many rooms are currently within the basement: 1 room how m...
Northampton - NN2
Enquiry from: Aaron A
Start Date: Immediate
tanking/plastering/electric sockets/radiator are you the property owner: owner of the property property type: terrace how many rooms are currently within the basement: 1 room how many rooms do you wan...
Derby - DE21
Enquiry from: Baicu C
Start Date: Immediate
hi there we live in a victorian house in derby ,our house has got already a pre existing basement which we would like to convert into a livable space .we were wondering if you could come and have a l...
Lincoln - LN2
Enquiry from: Joe G
Start Date: Immediate
commercial unit under refurbishment. please can we have a quote for basement conversion (damp basement) and proposed method to keep damp out? thanks, joe are you the property owner: owner of the prop...
Nottingham - NG3
Enquiry from: Declan M
Start Date: Immediate
Hello, We have a damp issue in our basement (old early 1900's construction) with some historical beam replacement sometime before we moved in. Although I believe the beams were replaced for a wo...
Nottingham - NG16
Enquiry from: DAWN L
Start Date: Immediate
damp course treated and plastering afterwards
Nottingham - NG7
Enquiry from: Michael H
Start Date: Less than one month
basement tanking and waterproofing. please email/call for more details. are you the property owner: owner of the property property type: semi detached how many rooms are currently within the basement:...
Gainsborough - DN21
Enquiry from: Suzanne W
Start Date: Immediate
i just need a quote for making the cellar waterproof are you the property owner: owner of the property how many rooms are currently within the basement: 1 room how many rooms do you want to have in to...
Nottingham - NG2
Enquiry from: Nick S
Start Date: Immediate
looking for a full basement conversion in sneinton. can i please book a visit for consultation? cheers nick are you the property owner: owner of the property property type: semi detached how many roo...
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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.
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.
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.
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.
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