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 |
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Bellingham is a district in south east London, in the London Borough of Lewisham. Its neighbouring districts are Catford, Sydenham and Downham. The Ravensbourne River runs through the middle of Bellingham, also to the west and east it is bordered by railway lines working south from Catford.
The real name Bellingham means ‘the water-meadow belonging to Beora’s people’, and was the name of the medieval manor in the area. The true name was preserved by the farm in the region, Bellingham Railway Station and the Bellingham Estate. Other historical names have been preserved by the street names of the estate, which are connected with King Alfred, who was thought to have already been the lord of the manor of Lewisham, and were extracted from the names of mills, houses and fields in the area.
Bellingham was mainly farmland until the Bellingham Estate was built, mostly between 1920 and 1923. London City Council built about 2600 homes and flats during this time period. Bellingham Estate was one of many large estates constructed by London City Council after the First World War to aid with slum clearance and alleviate overcrowding. As there was plenty of land available most of the dwellings constructed were two-story houses, and there was lots of green, open space.
Today, Bellingham is a localised town centre. Its traditional is Randlesdown Road, which has a supermarket, a fitness center, hairdressers and multiple restaurants and food outlets. It has a sixth form college also, and a church and a library. Bellingham boasts many popular past and present residents, including the singer/song-writer Kate Bush, the previous Labour Prime Minister James Callaghan, and the footballer Ian Wright.
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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.
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.
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.
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