How Much Does A Kitchen Extension Cost?
This is usually the first question our customers ask. To help answer it, we've created a simple and cutting-edge extension cost calculator. Extension building costs can vary, especially in London. Hopefully, our cost calculator will provide some much-needed clarity.
Our tool makes it easy for you to see exactly what extensions are available to you, and what cost factors are included in your final quote. We've also provided 3D models of how your extension would look, bringing your new vision for your home to life.
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House type
Select from below options
Detached
Semi-detached
End of terrace
Terraced - Flat Back
Terraced - L Shaped
All example costs:
All estimated costs for house extensions include building work, plumbing, electricity, glazing, external doors and applicable VAT
Flat Roof
Flat Roof
Crown Roof
Flat Roof
Crown Roof
Gable Roof
Flat Roof
Pitched (Hip) Roof
Gable Roof
Flat Roof
Pitched (Hip) Roof
Gable Roof
Flat Roof
Pitched (Hip) Roof
Pitched & Flat Roof
Pitched & Flat Roof
Pitched & Flat Roof
Flat Roof
Pitched Roof
Flat Roof
Pitched Roof
Flat Roof
Pitched Roof
Flat Roof
Pitched Roof
Gable Roof
Flat Roof
Crown Roof
As one of London’s leading design and build companies, Plus Rooms has designed a comprehensive service to simplify the process of planning and constructing your extension. This includes obtaining building regulations approval, planning permission and permitted development rights. We can even set up temporary kitchen facilities allowing homeowners to remain living in the house throughout the build.
We cover many of the London boroughs and some of the home counties, please scroll down for recent examples of house extension projects in your area.
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