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Basement renovation

Basement renovation

At a time when moving home ends up costing thousands of pounds in fees, staying put and improving has become popular amongst thousands of UK homeowners.

By improving your home with a basement conversion, not only will you add value to your property, but you’ll have extra space that can be used all year round.

Why should I convert my basement?

In most instances, the basement is usually a dark and dingy area housing a few boxes or cases of wine. Basements are normally large areas and utilising this space can increase your home’s value by thousands of pounds and give you extra room throughout the year.

Benefits of basement conversions include:

Added value

By converting your basement you’ll be able to add value to your property. By moving home you’ll end up wasting thousands of pounds in fees, so stay put and improve.

Extra space

With a basement renovation you’ll make the most of extra space and as the infrastructure is already in place you won’t have to pay out for construction. You can turn this wasted area into anything you want, from a bedroom or lounge to a study or games room.

Cheap conversion

As the basement is already in place the room will only need to be secured and made safe, rather than having to pay out for an extension to be built on the back of your property. This means you’ll save money and be able to start using the new space quickly.

Basement conversion quotes

With a basement conversion you can start using wasted space more effectively, adding value to your home and saving on moving expenses.

For up to four FREE quotes from local, vetted and reputable professionals simply complete our quick form and find out how much you could save with a basement renovation.

Average Basement renovation cost

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.

Average price per Basement renovation job in 2022

Avg. price low	Avg. price low £40,000
Avg. price	Avg. price £182,500
Avg. price high	Avg. price high £323,000

£323500

£242625

£161750

£80875

£0

Prices based on actual Basement renovation costs for your area, as reported by local Quotatis members.

Basement renovation installation cost in your area 2022

	Labour cost	£28,000
	Material cost	£10,000
	Waste removal	£2,000

Time frame: 1-6 months

Advantages for Basement renovation

Adds an additional space your home
Preserve Your Garden
Boosts Your Home's Value
Can add real interest to your home and a wow factor

Disadvantages for Basement renovation

Basement conversions are a serious type of extension, they can take up to nine months for bigger excavation projects. That’s a lot of noise and mess.
Unless you can get natural light into the basement they can look dark and gloomy
Consideration needs to be made to ensure that the room doesn't become damp

Basement renovation Manufacturers

Basement renovation FAQs

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.

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.

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.

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.

Inside a modern basement conversion in London

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Nicholas James Construction

7 review(s)

Based: in Bromley, BR1

From past fifteen years we have been established as the finest building and construction service pro...

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Cosima R., SE13

29th January 2016

Conversion | Basement in London

Very friendly and helpful.

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From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.

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Basement Renovation Quotes

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