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 Lancashire in November 2024
Requests for Basement renovation quotations in Lancashire in November 2024. 0% change from October 2024.
Requests for Basement renovation quotations in North West in November 2024. 0% change from October 2024.
Manchester - M20
Enquiry from: Sara A
Start Date: Immediate
We're looking to purchase a Victorian house with a cellar which is 4mx5m basement (less than 2m in height). We're keen to get an understanding of the cost of waterproofing the cellar to make it water ...
Rossendale - BB4
Enquiry from: Wendie W
Start Date: Less than one month
tanking of cellar make into a living space. 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...
Burnley - BB10
Enquiry from: Rebecca G
Start Date: Immediate
a small inexpensive cellar renovation 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 want to ha...
Chorley - PR7
Enquiry from: Dan A
Start Date: Immediate
dear sir / madam, this is a property i am going to buy having recently had an offer accepted on it. however, the concern i have is that there is a basement already in the property but it requires digg...
Darwen - BB3
Enquiry from: Nergis A
Start Date: Immediate
tank small basement and make it into a liveable room. would prefer contact via email at first. are you the property owner: owner of the property property type: terrace how many rooms are currently wi...
Todmorden - OL14
Enquiry from: Eldon P
Start Date: 1 to 3 months
hello, i'm in the process of buying a new property with a 4.5m * 3.6m basement/cellar. i'm currently in the process of organising a survey on the property to understand if there are any issues with d...
Chorley - PR6
Enquiry from: Lloyd C
Start Date: Less than one month
full design and construction. including staircase, excavation under 'column supported floating' part of house. are you the property owner: owner of the property property type: detached how many rooms ...
Nelson - BB9
Enquiry from: Umar M
Start Date: Immediate
cellar tanking and conversion. approximate area 400 sq feet. are you the property owner: owner of the property property type: commercial how many rooms are currently within the basement: 2 rooms how ...
Manchester - M40
Enquiry from: Adam B
Start Date: Immediate
moving into new house where basement needs to be made waterproof. room 1 3.88 x 3.81 room 2 4.17 x 3.17 some extra lengths will be needed. floor plan can be added. are you the property owner: owner o...
Thornton-Cleveleys - FY5
Enquiry from: Alison W
Start Date: Immediate
convert cellar into office, currently has a pump, seems to flood after heavy rain, walls do appear to be damp, just the floor are you the property owner: owner of the property property type: semi deta...
Bury - BL9
Enquiry from: Thomas Q
Start Date: Immediate
- cellar conversion -damp proofing - cellar window - walls/floors - plastering - a full cellar conversion are you the property owner: owner of the property property type: terrace how many rooms are c...
Darwen - BB3
Enquiry from: David R
Start Date: 1 to 3 months
cementing, tanking, sump fitting etc 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 want to hav...
Salford - M7
Enquiry from: Joelle C
Start Date: Immediate
my office is in a basement without any window, lots of humidity, mold ect... are you the property owner: tenant (with permission) property type: other how many rooms are currently within the basement...
Littleborough - OL15
Enquiry from: Nazia U
Start Date: Immediate
we require ventilation do our dental surgery located in the basement ( an extractor fan ) to vent outside and we need a small part of the basement converting to a kitchen are you the property owner: o...
Heywood - OL10
Enquiry from: Peter F
Start Date: Immediate
its not a full conversion but repairs to an area affected by water damage due to a fault in the sump extract pipe. the water has damaged the sub floor which has given way and needs replacing in the af...
Chorley - PR7
Enquiry from: Reece F
Start Date: Less than one month
basement single room and shower room, needs steel work and stairs lowering for height for bedroom. entrance, exit needs altering to. are you the property owner: owner of the property property type: se...
Leyland - PR25
Enquiry from: Nicole S
Start Date: Immediate
tanking, plastering, lighting and electrics, skirting boards, flooring. are you the property owner: owner of the property property type: semi detached how many rooms are currently within the basement:...
Bolton - BL4
Enquiry from: Chris F
Start Date: Immediate
have an existing light well that doesn’t currently allow much light in. doesn’t need digging out at all, but want to look at glazing end using mirrors to create a light tunnel (like a periscope) a...
Rochdale - OL12
Enquiry from: Hollie F
Start Date: Immediate
our cellar is already converted into the kitchen, however there’s an extra part of the cellar off the kitchen that’s under the front of the house. there’s a coal shute we would want blocking up ...
Salford - M6
Enquiry from: Yousef M
Start Date: Immediate
hi i am looking for a quote for a cellar conversion and tanking are you the property owner: owner of the property property type: detached how many rooms are currently within the basement: 3 rooms how...
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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.
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.
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.
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.
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