Cluster: The complete guide to house extensions in London

Rear extensions in London: rules + real costs

Single-storey rear extensions: PD limits, design ideas, costs.

Single-storey rear extensions: PD limits, design ideas, costs. This article draws on 200+ London projects delivered by our MCIAT chartered team across all 33 boroughs. For pricing context, see our fixed-fee schedule. For your specific address, request a free quote — turnaround is same day.

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