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How it works
One idea. Millions of homes
Across the UK, similar houses share the same bones - and the same potential. Click through to see the PDE difference.
Range of extensions, ready to be picked from

Each property type has a catalogue of designs consisting of back, side, wrap around, loft and porch extensions.
Mapped, and understood
The aim is to have all semi detached and terraced properties across the UK identified and mapped out, providing a clear understanding of the housing stock.
How we can help you
To understand more in depth who we are and how we can help you, select the option which best describes your position.
Or view our catalogues directly below, where you will find our 30 House types and 100's of extension designs.
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