020 7864 7245 [email protected] WhatsApp
Case study · Tower Hamlets

Basement extension under garden in Spitalfields

Approved with conditions by Tower Hamlets Council in 22 weeks.

Project summary

Service
Basement extension under garden
Location
Spitalfields, Tower Hamlets
Property stock
Georgian listed townhouses
Article 4 in borough
Yes
Process duration
22 weeks
Outcome
Approved with conditions

Side extension with pitched roof on a London house — house extensions in London
The brief

What the client needed

A family in Spitalfields approached us for basement extension under garden on a georgian listed townhouses property. Constraints: respecting streetscape rhythm typical of Tower Hamlets, maintaining rear garden depth, and meeting Tower Hamlets Council's design expectations for the conservation context (58 conservation areas borough-wide).

Design response

How we designed it

Measured survey week 1. Three design iterations balancing internal layout against external massing visible from neighbours. Two scheme massings tested against Tower Hamlets Council's adopted design guidance. Chosen scheme matched existing roof pitch, used matching brick, set the new opening back from the eaves.

Planning route

Submission and decision

Submitted to Tower Hamlets Council via the Planning Portal. With Article 4 in force in Tower Hamlets, we confirmed our scheme retained the necessary permissions before submission. Officer comments minor, addressed in 5 days. Approved with conditions.

Decision recorded Tower Hamlets Council, statutory determination period.
Book a call

Speak to a chartered technologist — free 15 minutes

Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.

Basement extension under garden in Spitalfields — a flat-roof rear extension with rooflights
A flat-roof rear extension with rooflights — basement extension under garden in Spitalfields.

Which postcode districts around Spitalfields do we cover for house extensions work?

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

PostcodeAreaDominant stockWhat it means for a house extensions
E1Whitechapel / SpitalfieldsGeorgian listed townhousesE1 covers Whitechapel / Spitalfields only; Tower Hamlets Council handles the house extensions.
E1WhitechapelVictorian terraces, post-war estates, new-buildNeighbouring Whitechapel, where house extensions work is handled by the same Tower Hamlets Council case officers.
E2Bethnal GreenVictorian terraces, post-war estatesNeighbouring Bethnal Green, where house extensions work is handled by the same Tower Hamlets Council case officers.
E3BowVictorian terraces, Georgian fragmentsNeighbouring Bow, where house extensions work is handled by the same Tower Hamlets Council case officers.
E1Mile EndVictorian terraces, post-war estatesNeighbouring Mile End, where house extensions work is handled by the same Tower Hamlets Council case officers.
E1WWappingGeorgian terraces, warehouse conversionsNeighbouring Wapping, where house extensions work is handled by the same Tower Hamlets Council case officers.
E14Canary WharfModern apartmentsNeighbouring Canary Wharf, where house extensions work is handled by the same Tower Hamlets Council case officers.
E14LimehouseGeorgian and Victorian terraces, warehouse conversionsNeighbouring Limehouse, where house extensions work is handled by the same Tower Hamlets Council case officers.
E14PoplarPost-war estates, new-buildNeighbouring Poplar, where house extensions work is handled by the same Tower Hamlets Council case officers.
E1ShadwellGeorgian fragments, post-war estatesNeighbouring Shadwell, where house extensions work is handled by the same Tower Hamlets Council case officers.
E1StepneyVictorian terraces, post-war estatesNeighbouring Stepney, where house extensions work is handled by the same Tower Hamlets Council case officers.

Which Spitalfields neighbourhoods suit a house extensions best?

Roof pitch, wall build-up and plot depth change every few Spitalfields streets, and each one changes what a house extensions can achieve at that address.

How do conservation areas and Article 4 affect a house extensions in Spitalfields?

Conservation areas covering Spitalfields: Tower Hamlets Council runs 58, and Fournier Street, Tredegar Square, Wapping Pierhead are the ones Spitalfields owners meet most. A house extensions inside a Spitalfields conservation area loses permitted development, so the Spitalfields submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Spitalfields a house extensions is judged on the street elevation first.

What Article 4 removes near Spitalfields: Article 4 for HMOs borough-wide; additional Article 4 covering office-to-residential in Canary Wharf and City Fringe. Before pricing a house extensions we check whether the E1 address is inside the mapped area, because Tower Hamlets Council draws the Spitalfields boundary street by street rather than across the whole of Spitalfields.

The building fabric around Spitalfields: 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 house extensions in Spitalfields is scoped against that stock first.

Who decides a house extensions on the edge of Spitalfields?

Sources for this Spitalfields house extensions 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.

Similar project in Spitalfields?

Same MCIAT team. Same approval discipline.

Start your quoteOr contact us about your project first
Basement extension under garden in Spitalfields — a two-storey extension with a balcony
A two-storey extension with a balcony — basement extension under garden in Spitalfields.

Found this useful? Share it

Copies the headline and the link, ready to paste anywhere — helpful if you are planning an extension with a neighbour, builder or architect.

Free quote in 60 seconds
Call us Free quote →

Before you go…

Get a free, no-obligation quote for your project. MCIAT chartered.

council-ready drawing review · All 33 London boroughs