Residential Construction

Residential Construction Services Company in London: Taking Your Home to the Next Level

Basement or loft conversions, home extensions, property refurbishments and new build developments – the list of possible improvements and renovations to your home is endless.

But no matter what you need, Bischell will treat your home with the utmost respect, while we bring your dream to life with a pristine finish – you deserve it!

With Bischell working closely with you from beginning to end, you can enjoy seeing your dream build take shape, while we handle every step of the construction process – from initially applying for planning permission and laying the first brick to the last lick of paint.

Review our London and Hertfordshire based case studies, find out more about us, our accreditations or our service promise.

Basement Conversion Alt

Basement Conversions

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House Extensions

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House Refurbishment

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Loft Conversions

Loft Conversions

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New Builds

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Call or email us today

If you have a project you'd like to discuss, please get in touch. There's no obligation. Just give us a call or if you'd rather email, simply complete the form.



Why Bischell?

An optional industry-leading lifetime guarantee

We'll give you a fixed price which won't budge

A guaranteed completion date or we pay you

We won’t stop until your project is 100% defect free

Bischell 360 Support360° Support® for peace of mind every step of the way


  • Okay right off the bat you looked pricey. I didn't think you'd be able to do the full build for our budget. Indeed you came in higher, but by suggesting some really clever design changes, I got the same light...

    Manoj Dubey I.T Consultant – Harrow

  • Chose Bischell on the back of a recommendation that rated them highly. Even so, results aren't always duplicated so I did go through typical due diligence and combined with them coming in competitive on value for money, I selected them....

    Vincenzo Ruggieri Financial analyst – Brent

  • They bring a real fresh perspective to the table. They spot ideas and angles that we would never have thought of and they're tireless at achieving consistently excellent results. I've come to rely massively on Bischell for all my property...

    Gavin Wilson Banker at Deutsche Bank

  • I've been through 10 contractors in as many years. I've never settled on one because even the best of that bunch was always lacking in a critical department. My portfolio now goes exclusively to Bischell. They're certainly talented, but to...

    Reza Akhan Property developer

Some of our clients

Bischell 360 Support

Based around six key pledges, it’s our promise to you to ensure rock-solid reliability and a seamless, hassle-free project