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Side return extension · Tower Hamlets

Side return extension in Tower Hamlets

Specialist side return extension drawings. Fixed fee. MCIAT chartered. Tower Hamlets Council-experienced.

Quick facts

Service
Side return extension
Parent service
House Extensions
Planning authority
Tower Hamlets Council
Article 4
Yes
Fixed fee from
£1,225
Side extension with pitched roof on a London house — house extensions in Tower Hamlets
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MCIAT chartered drawings for planning, building regs, lofts and extensions — fixed fees 30% below typical London architects. Tell us what you need and we’ll reply the same working day.

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Which postcode districts around Tower Hamlets do we cover for side return work?

Every Tower Hamlets postcode district we draw in, the stock that dominates it and the authority that validates a side return there. Tower Hamlets fees below are the statutory England rates for 2026, not side return estimates.

PostcodeAreaDominant stockWhat it means for a side return
E1Whitechapel / SpitalfieldsWarehouse conversions, modern infillE1 covers Whitechapel / Spitalfields only; Tower Hamlets Council handles the side return, and Whitechapel / Spitalfields case officers apply the E1 conservation-area map.
E1WWappingGeorgian terraces, warehouse conversionsA side return at an E1W address in Wapping is determined by Tower Hamlets Council under its own Local Plan policies for Wapping.
E2Bethnal GreenWarehouse conversions, modern infillA side return in Bethnal Green may land with Tower Hamlets Council or Hackney Council — E2 crosses the boundary, and the E2 policies map decides it street by street.
E3BowVictorian terraces, Georgian fragmentsBow sits wholly inside E3, so Tower Hamlets Council validates every side return submitted from an E3 address.
E14Canary Wharf / Poplar / LimehouseModern apartmentsCanary Wharf / Poplar / Limehouse sits wholly inside E14, so Tower Hamlets Council validates every side return submitted from an E14 address.

What changes about a side return in each part of Tower Hamlets?

Roof pitch, wall build-up and plot depth change every few Tower Hamlets streets, and each one changes what a side return can achieve at that address.

What local planning policy applies to a side return in Tower Hamlets?

Tower Hamlets conservation designations: there are 58 across Tower Hamlets Council, Wapping Pierhead, Spitalfields, Whitechapel Market among them. Designation costs a Tower Hamlets owner the permitted-development route: a side return then needs a £258 householder application over 8 weeks, in place of the £120 prior approval route that takes 6 weeks. Whitechapel Market is the Tower Hamlets designation that most often changes a side return design.

Tower Hamlets and Article 4: Article 4 for HMOs borough-wide; additional Article 4 covering office-to-residential in Canary Wharf and City Fringe. A side return planned at a E1 address is checked against that direction first; Tower Hamlets Council publishes the Tower Hamlets extent, and the E1 line rarely follows the Tower Hamlets boundary you would expect.

The building fabric around Tower Hamlets: Georgian in Spitalfields and Wapping; Victorian industrial conversions; extensive post-war social housing; modern high-density towers in Canary Wharf and Aldgate. High heritage value in pockets (Spitalfields, Wapping), mixed with substantial regeneration areas; active planning committee. A side return in Tower Hamlets is scoped against that stock first. Our Tower Hamlets fixed fee starts at £1,225; the £1,750 Complete package runs the Tower Hamlets scheme through Tower Hamlets Council planning and building control in one go.

What happens if a Tower Hamlets property sits on a boundary?

Sources for this Tower Hamlets side return page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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