Which Blackheath (Greenwich) postcodes does this loft conversion service cover?
Every Blackheath (Greenwich) postcode district we draw in, the stock that dominates
it and the authority that validates a loft conversion there. Blackheath (Greenwich) fees below are the
statutory England rates for 2026, not loft conversion estimates.
| Postcode | Area | Dominant stock | What it means for a loft conversion |
|---|
| SE3 | Blackheath / Kidbrooke | Georgian villas, Victorian terraces | Blackheath / Kidbrooke is split at SE3. Either Greenwich Council or Lewisham Council can determine a loft conversion here, so the SE3 address is checked against both policies maps first. |
| SE10 | Greenwich | Georgian terraces, listed buildings | Neighbouring Greenwich, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE7 | Charlton | Victorian villas, 1930s semi-detached | Neighbouring Charlton, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE18 | Woolwich | Georgian fragments, post-war estates, new-build | Neighbouring Woolwich, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE9 | Eltham | 1930s semi-detached, post-war flats | Neighbouring Eltham, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE28 | Thamesmead | Post-war estates, new-build | Neighbouring Thamesmead, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE3 | Kidbrooke | New-build, post-war fragments | Neighbouring Kidbrooke, where loft conversion work is handled by the same Greenwich Council case officers. |
| SE9 | New Eltham | 1930s semi-detached | Neighbouring New Eltham, where loft conversion work is handled by the same Greenwich Council case officers. |
What changes about a loft conversion in each part of Blackheath (Greenwich)?
Roof pitch, wall build-up and plot depth change every few Blackheath (Greenwich)
streets, and each one changes what a loft conversion can achieve at that address.
- Blackheath (Greenwich) (SE3) — Georgian villas around the heath defines Blackheath (Greenwich), where georgian villas, victorian terraces set what a loft conversion can do. Georgian roofs here are shallow and often behind a parapet across SE3. Any Blackheath (Greenwich) loft conversion is validated by Greenwich Council, with Blackheath Common the usual Blackheath (Greenwich) reference point on the site plan.
- Near Blackheath (Greenwich): Eltham (SE9) — loft conversion work in Eltham means 1930s semi-detached, post-war flats. Eltham is 1930s semi-detached, Tudor fragments. The 1930s hipped roof here needs a hip-to-gable before a rear dormer works throughout SE9. Greenwich Council decides the Eltham application, and Eltham Palace anchors the Eltham location plan.
- Near Blackheath (Greenwich): Thamesmead (SE28) — a loft conversion in Thamesmead starts from post-war estates, new-build, and Thamesmead reads as post-war estate, Brutalist origins, regen. Post-war roofs on these estates are often trussed in SE28. Greenwich Council assesses Thamesmead loft conversions against its own Thamesmead character guidance, and the location plan we draw for Thamesmead references Thamesmead Town Centre.
- Near Blackheath (Greenwich): Kidbrooke (SE3) — a loft conversion in Kidbrooke starts from new-build, post-war fragments, and Kidbrooke reads as regenerated quarter, new-build estate. Post-war roofs on these estates are often trussed in SE3. Greenwich Council assesses Kidbrooke loft conversions against its own Kidbrooke character guidance, and the location plan we draw for Kidbrooke references Kidbrooke Village.
- Near Blackheath (Greenwich): New Eltham (SE9) — a loft conversion in New Eltham starts from 1930s semi-detached, and New Eltham reads as 1930s semi-detached. The 1930s hipped roof here needs a hip-to-gable before a rear dormer works in SE9. Greenwich Council assesses New Eltham loft conversions against its own New Eltham character guidance, and the location plan we draw for New Eltham references New Eltham station.
- Near Blackheath (Greenwich): Greenwich (SE10) — a loft conversion in Greenwich starts from georgian terraces, listed buildings, and Greenwich reads as Georgian World Heritage centre. Georgian roofs here are shallow and often behind a parapet in SE10. Greenwich Council assesses Greenwich loft conversions against its own Greenwich character guidance, and the location plan we draw for Greenwich references Royal Observatory.
- Near Blackheath (Greenwich): Charlton (SE7) — loft conversion work in Charlton means victorian villas, 1930s semi-detached. Charlton is Victorian villas, 1930s semi-detached. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 m head height a dormer conversion needs once the ceiling joists are raised throughout SE7. Greenwich Council decides the Charlton application, and Charlton House anchors the Charlton location plan.
Does Blackheath (Greenwich) planning policy restrict a loft conversion?
Blackheath (Greenwich) conservation designations: there are 20 across Greenwich Council, Blackheath, Charlton, Eltham Park among them. Designation costs a Blackheath (Greenwich) owner the permitted-development route: a loft conversion then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Charlton is the Blackheath (Greenwich) designation that most often changes a loft conversion design.
Article 4 and your Blackheath (Greenwich) loft conversion: Greenwich Council has made no borough-wide direction, so permitted development for a loft conversion in Blackheath (Greenwich) generally survives outside Blackheath (Greenwich) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a SE3 owner records that a loft conversion was lawful.
The building fabric around Blackheath (Greenwich): Georgian in Greenwich town centre; Victorian terraces in East Greenwich, Charlton; inter-war semi-detached in Eltham; new-build along the riverside. World Heritage Site status in Greenwich town centre adds heritage weight; outer borough areas (Eltham, Thamesmead) generally permissive. A loft conversion in Blackheath (Greenwich) is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to Greenwich Council.
Who decides a loft conversion on the edge of Blackheath (Greenwich)?
- Tower Hamlets — the Tower Hamlets boundary runs against Greenwich, so a loft conversion a street from Blackheath (Greenwich) is decided by Tower Hamlets Council instead. Tower Hamlets runs 58 conservation areas across E1 and its neighbours, which is why loft conversions priced for Blackheath (Greenwich) are re-checked against Tower Hamlets policy whenever the Blackheath (Greenwich) address sits on that edge.
- Lewisham — the Lewisham boundary runs against Greenwich, so a loft conversion a street from Blackheath (Greenwich) is decided by Lewisham Council instead. Lewisham runs 30 conservation areas across SE3 and its neighbours, which is why loft conversions priced for Blackheath (Greenwich) are re-checked against Lewisham policy whenever the Blackheath (Greenwich) address sits on that edge.
- Bexley — cross the Blackheath (Greenwich) boundary and Bexley Council takes the loft conversion instead, applying 16 conservation areas of its own around DA1. We re-price loft conversions at the Blackheath (Greenwich) edge because Bexley policy and Greenwich policy rarely align on loft conversion depth.
- Bromley — the Bromley boundary runs against Greenwich, so a loft conversion a street from Blackheath (Greenwich) is decided by Bromley Council instead. Bromley runs 48 conservation areas across BR1 and its neighbours, which is why loft conversions priced for Blackheath (Greenwich) are re-checked against Bromley policy whenever the Blackheath (Greenwich) address sits on that edge.
Sources for this Blackheath (Greenwich) loft conversion 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.
