020 7864 7245 [email protected] WhatsApp

Single-storey rear cost in Hackney

Pre-set example. Adjust the size below to recalculate.

Estimate uses Hackney Council build-cost premium and typical single-storey rear ranges for Hackney.

Architectural detail on a London period property — house extensions in Hackney
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.

Single-storey rear cost in Hackney — an L-shaped rear extension to a London terrace
An l-shaped rear extension to a london terrace — single-storey rear cost in Hackney.

Which Hackney postcodes does this house extension cost single service cover?

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

PostcodeAreaDominant stockWhat it means for a house extension cost single
N16Stoke Newington / Stamford HillGeorgian and Victorian terracesStoke Newington / Stamford Hill is split at N16. Either Hackney Council or Islington Council can determine a house extension cost single here, so the N16 address is checked against both policies maps first.
E5ClaptonVictorian terraces, mansion blocksA house extension cost single at an E5 address in Clapton is determined by Hackney Council under its own Local Plan policies for Clapton.
E8Hackney Central / Dalston / London FieldsVictorian terraces, post-war flatsHackney Central / Dalston / London Fields sits wholly inside E8, so Hackney Council validates every house extension cost single submitted from an E8 address.
E9Homerton / Hackney WickVictorian terraces, post-war estatesHomerton / Hackney Wick sits wholly inside E9, so Hackney Council validates every house extension cost single submitted from an E9 address.
EC2AShoreditchWarehouse conversions, modern infillShoreditch is split at EC2A. Either Hackney Council or City of London Corporation can determine a house extension cost single here, so the EC2A address is checked against both policies maps first.
N1Islington / HoxtonGeorgian and early Victorian terracesN1 straddles a boundary: Islington / Hoxton addresses fall to Islington Council or Hackney Council, so confirm which authority validates the house extension cost single before submitting N1 drawings.
N4Finsbury Park / Stroud GreenVictorian terraces, post-war estatesN4 straddles a boundary: Finsbury Park / Stroud Green addresses fall to Haringey Council or Islington Council or Hackney Council, so confirm which authority validates the house extension cost single before submitting N4 drawings.
E2Bethnal GreenWarehouse conversions, modern infillA house extension cost single 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.

Which Hackney neighbourhoods suit a house extension cost single best?

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

Does Hackney planning policy restrict a house extension cost single?

How designation changes a Hackney house extension cost single: Hackney Council maintains 29 conservation areas, including Stoke Newington, Dalston Lane, Hackney Central. Inside any of them a Hackney house extension cost single cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Stoke Newington sets the tone for Hackney casework.

Hackney and Article 4: Article 4 Direction covers HMO conversions borough-wide and office-to-residential in specific commercial zones. A house extension cost single planned at a N16 address is checked against that direction first; Hackney Council publishes the Hackney extent, and the N16 line rarely follows the Hackney boundary you would expect.

The building fabric around Hackney: Victorian terraces dominate; large post-war estates around Hackney Wick; Georgian fragments in De Beauvoir and Stoke Newington; new-build around the Olympic Park. Young demographic; high design-quality bar in planning; mansards routinely approved in rear-of-terrace positions within conservation areas following the Hackney design guide. A house extension cost single in Hackney is scoped against that stock first.

What happens if a Hackney property sits on a boundary?

Sources for this Hackney house extension cost single 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.

Lock the price with a real fixed quote

Start quoteOr contact us about your project first
Single-storey rear cost in Hackney — a flat-roof rear extension with rooflights
A flat-roof rear extension with rooflights — single-storey rear cost in Hackney.

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