Greater London - London Borough - Rear Extension
Rear Extension in Harrow
216,000 residents - London Borough - Greater London
Rear extensions are one of the most common ways UK homeowners add kitchen, dining, and family space. Approved plans often include single-storey, double-storey, and wraparound layouts that create high-value opportunities for local builders.
Project profile
Average Cost
£45,000 - £120,000
Typical Duration
10-16 weeks
Common Variants
Single-storey, Double-storey, Wraparound
Why rear extension in Harrow?
Harrow covers areas including Harrow, Harrow area. Homeowners in these communities use planning permission to unlock larger living spaces, higher-value property upgrades, and specialist building work, making rear extension projects a strong fit for contractors who can respond quickly after approval.
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