If you have extended up and out, now’s the time to turn your attention downwards.
The good news is basement conversions can add between 10-15 per cent to your property’s value, according to Savills.
They can add much needed living space, or even be rented out as a separate flat, making them a nice little earner on the home front. More visionary homeowners (with deeper pockets) might opt for underground parking, cinema rooms or gyms, making their properties iceberg-like, with more space below ground level than above.
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