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 Haringey in January 2025
Requests for Basement renovation quotations in Haringey in January 2025. 0% change from December 2024.
Requests for Basement renovation quotations in London County in January 2025. 0% change from December 2024.
The London Borough of Haringey is a London borough in North London, classified by some definitions as a part of Inner London, and by others as a part of Outer London. It was created in 1965 by the amalgamation of three former boroughs. It shares borders with six other London boroughs. Clockwise from the north, they are: Enfield, Waltham Forest, Hackney, Islington, Camden, and Barnet. Haringey covers an area in excess of 11 square miles (28.5 km2). The local authority is Haringey London Borough Council.
As outlined by population estimates in the middle of 2014, Haringey includes a permanent population of around 267541 individuals. There are about 97101 homes in Haringey. Approximately 55 per cent of residents in Haringey live in flats, apartments or maisonettes. The borough is characterised by some intense contrasts. Places in the west, such as Highgate, Muswell Hill and Crouch End are among the most prosperous in the country. In the east of the borough, however, some wards are classified as being among the most deprived 10 per cent in the country.
Haringey is also a borough of contrasts geographically. The borough consists of big areas of green space, which make up more than 25 per cent of its total area. A few of the more familiar nearby landmarks include Alexandra Palace, Bruce Castle, Jacksons Lane, Highpoint I and II, and Tottenham Hotspur Football Club.
London - N4
Enquiry from: Melissa T
Start Date: Immediate
Cellar modernisation - small terraced Victorian with existing, working cellar - being used for storage and laundry room. Just needs tidying up and shelving/storage sorted.
London - N22
Enquiry from: Aktas C
Start Date: Immediate
Hello Sir/Madam, good afternoon we are Aktas. Cleaning service we are doing deep cleaning after building work cleaning floor cleaning after party cleaning commercial cleaning weekly cleaning one ofte...
London - N22
Enquiry from: Aktas C
Start Date: Immediate
Hello Sir/Madam, good afternoon we are Aktas. Cleaning service we are doing deep cleaning after building work cleaning after party cleaning commercial cleaning weekly cleaning one often cleaning s...
London - N11
Enquiry from: Roopesh P
Start Date: Immediate
Basement extension Time scale: Immediate
London - N11
Enquiry from: Roopesh P
Start Date: Immediate
Basement extension Time scale: Immediate
London - N13
Enquiry from: Neha S
Start Date: Immediate
Basement to be converted in to a residential dwelling
London - N4
Enquiry from: Sam R
Start Date: Immediate
Home Owner Basement conversion Please call to appoint
London - N8
Enquiry from: Esra I
Start Date: 1 to 3 months
Customers own description of work to be carried out: It's an existing cellar (restricted height approx 1.40m) that belongs to the ground floor flat in a Victorian terraced house in Crouch End. The ex...
London - N8
Enquiry from: Jacinta L
Start Date: 1 to 3 months
To put a light well at the front of our ground floor flat so that we can have windows in our basement room. Also to put in a bathroom in the basement. Homeowner Please contact to appoint
Watford - WD17
Enquiry from: Thomas H
Start Date: Immediate
currently working out what the indicative cost would be to dig down in the basement which is currently 6 foot, to enable it to meet building regs and be counted as a second bedroom. so looking to get...
Watford - WD17
Enquiry from: Tomas H
Start Date: Less than one month
basement to be converted into a living room are you the property owner: relative of owner property type: semi detached how many rooms are currently within the basement: 1 room how many rooms do you w...
Watford - WD18
Enquiry from: Pretti P
Start Date: Immediate
we have a basement that we do not use. not sure exactly what is needed so an onsite visit would be appreciated are you the property owner: owner of the property property type: semi detached how many r...
Watford - WD19
Enquiry from: John C
Start Date: Immediate
basement currently fittrd out.wish to install ensuite wc and wash basin for use by disabled member of the family (mobility issues) are you the property owner: owner of the property property type: othe...
Watford - WD19
Enquiry from: John C
Start Date: Immediate
basement currently fittrd out.wish to install ensuite wc and wash basin for use by disabled member of the family (mobility issues) are you the property owner: owner of the property property type: othe...
Watford - WD17
Enquiry from: Shaan P
Start Date: Immediate
basement conversion applying for permission to get it eligible for habitable area are you the property owner: owner of the property property type: terrace how many rooms are currently within the basem...
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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.
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.
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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