Basement under garden in Hackney

Which postcode districts around Hackney do we cover for basement under garden work?

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

How does a basement under garden differ street by street across Hackney?

Roof pitch, wall build-up and plot depth change every few Hackney streets, and each one changes what a basement under garden can achieve at that address.

• Stamford Hill (N16) — Victorian villas, Edwardian terraces defines Stamford Hill, where victorian villas, edwardian terraces set what a basement under garden can do. Victorian cellars here convert without planning permission when the footprint and external appearance are unchanged across N16. Any Stamford Hill basement under garden is validated by Hackney Council, with Stamford Hill the usual Stamford Hill reference point on the site plan.
• Dalston (E8) — basement under garden work in Dalston means victorian terraces, post-war flats. Dalston is Victorian terraces, vibrant high street. Victorian cellars here convert without planning permission when the footprint and external appearance are unchanged throughout E8. Hackney Council decides the Dalston application, and Ridley Road Market anchors the Dalston location plan.
• Stoke Newington (N16) — a basement under garden in Stoke Newington starts from victorian terraces, georgian fragments, and Stoke Newington reads as Victorian terraces, village character. Georgian houses here already have a vault and a lower-ground floor in N16. Hackney Council assesses Stoke Newington basement under gardens against its own Stoke Newington character guidance, and the location plan we draw for Stoke Newington references Clissold Park.
• Shoreditch (E1, E2, EC2A) — basement under garden work in Shoreditch means warehouse conversions, modern infill. Shoreditch is Victorian warehouse conversions, creative industries. Modern foundations here are usually raft or piled throughout E1. Hackney Council decides the Shoreditch application, and Boxpark anchors the Shoreditch location plan.
• Hackney Central (E8) — a basement under garden in Hackney Central starts from victorian terraces, post-war estates, new-build, and Hackney Central reads as regenerated centre, Victorian terraces around. Victorian cellars here convert without planning permission when the footprint and external appearance are unchanged in E8. Hackney Council assesses Hackney Central basement under gardens against its own Hackney Central character guidance, and the location plan we draw for Hackney Central references Hackney Empire.
• London Fields (E8) — basement under garden work in London Fields means victorian terraces. London Fields is Victorian terraces around the park. Victorian cellars here convert without planning permission when the footprint and external appearance are unchanged throughout E8. Hackney Council decides the London Fields application, and London Fields park anchors the London Fields location plan.
• Clapton (E5) — basement under garden work in Clapton means victorian terraces, mansion blocks. Clapton is Victorian terraces, Lea valley fringe. Victorian cellars here convert without planning permission when the footprint and external appearance are unchanged throughout E5. Hackney Council decides the Clapton application, and Lea Bridge anchors the Clapton location plan.

How do conservation areas and Article 4 affect a basement under garden in Hackney?

Conservation areas covering Hackney: Hackney Council runs 29, and De Beauvoir Town, Stoke Newington, Dalston Lane are the ones Hackney owners meet most. A basement under garden inside a Hackney conservation area loses permitted development, so the Hackney submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Stoke Newington a basement under garden is judged on the street elevation first.

Article 4 and your Hackney basement under garden: Article 4 Direction covers HMO conversions borough-wide and office-to-residential in specific commercial zones. At a N16 address that matters twice over, because Hackney Council applies the direction unevenly across Hackney — we read the Hackney policies map for the exact N16 address before quoting basement under gardens.

Hackney housing stock: 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. Read that before choosing a basement under garden route in Hackney — construction, not postcode, sets what is achievable.

What happens if a Hackney property sits on a boundary?

• Tower Hamlets — the Tower Hamlets boundary runs against Hackney, so a basement under garden a street from Hackney is decided by Tower Hamlets Council instead. Tower Hamlets runs 58 conservation areas across E1 and its neighbours, which is why basement under gardens priced for Hackney are re-checked against Tower Hamlets policy whenever the Hackney address sits on that edge.
• City of London — the City of London boundary runs against Hackney, so a basement under garden a street from Hackney is decided by City of London Corporation instead. City of London runs 27 conservation areas across EC1 and its neighbours, which is why basement under gardens priced for Hackney are re-checked against City of London policy whenever the Hackney address sits on that edge.
• Islington — adjoining Hackney, with 40 conservation areas centred on N1. A basement under garden on the far side of the Hackney line is determined by Islington Council, so the Hackney quote for basement under gardens is checked against Islington guidance before it is issued.
• Haringey — cross the Hackney boundary and Haringey Council takes the basement under garden instead, applying 29 conservation areas of its own around N4. We re-price basement under gardens at the Hackney edge because Haringey policy and Hackney policy rarely align on basement under garden depth.

Sources for this Hackney basement under garden 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.