Architectural drawings in SE23

Which postcode districts around SE23 do we cover for drawing package work?

Every SE23 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SE23 fees below are the statutory England rates for 2026, not drawing package estimates.

Which SE23 neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few SE23 streets, and each one changes what a drawing package can achieve at that address.

• Inside SE23: Forest Hill (SE23) — a drawing package in Forest Hill starts from victorian villas, edwardian terraces, and Forest Hill reads as Victorian villas, Edwardian terraces. in SE23. Lewisham Council assesses Forest Hill architectural drawings against its own Forest Hill character guidance, and the location plan we draw for Forest Hill references Horniman Museum.
• Inside SE23: Honor Oak (SE23) — Victorian villas on the hill defines Honor Oak, where victorian villas, edwardian terraces set what a drawing package can do. Any Honor Oak drawing package is validated by Lewisham Council, with One Tree Hill the usual Honor Oak reference point on the site plan.
• Bordering SE23: Brockley (SE4) — Victorian and Edwardian terraces defines Brockley, where victorian and edwardian terraces set what a drawing package can do. Any Brockley drawing package is validated by Lewisham Council, with Brockley station the usual Brockley reference point on the site plan.
• Bordering SE23: Lewisham (SE13) — Victorian terraces, post-war centre defines Lewisham, where victorian terraces, post-war flats set what a drawing package can do. Any Lewisham drawing package is validated by Lewisham Council, with Lewisham station the usual Lewisham reference point on the site plan.
• Bordering SE23: Blackheath (SE3) — Georgian and Victorian villas around the heath defines Blackheath, where georgian villas, victorian terraces set what a drawing package can do. Any Blackheath drawing package is validated by Lewisham Council, with Blackheath the usual Blackheath reference point on the site plan.
• Bordering SE23: Catford (SE6) — 1930s semi-detached, post-war centre defines Catford, where 1930s semi-detached, post-war flats set what a drawing package can do. Any Catford drawing package is validated by Lewisham Council, with Catford Cat the usual Catford reference point on the site plan.
• Bordering SE23: Deptford (SE8) — drawing package work in Deptford means georgian terraces, post-war estates, new-build. Deptford is Georgian fragments, regenerating quarter. Lewisham Council decides the Deptford application, and Deptford High Street anchors the Deptford location plan.
• Bordering SE23: Hither Green (SE13) — Edwardian terraces, 1930s semi-detached defines Hither Green, where edwardian terraces, 1930s semi-detached set what a drawing package can do. Any Hither Green drawing package is validated by Lewisham Council, with Mountsfield Park the usual Hither Green reference point on the site plan.
• Bordering SE23: Sydenham (SE26) — Victorian villas, Edwardian terraces defines Sydenham, where victorian villas, edwardian terraces set what a drawing package can do. Any Sydenham drawing package is validated by Lewisham Council, with Sydenham Wells Park the usual Sydenham reference point on the site plan.

What local planning policy applies to a drawing package in SE23?

How designation changes a SE23 (Forest Hill / Honor Oak) drawing package: Lewisham Council maintains 30 conservation areas, including Deptford High Street, Forest Hill, Hither Green. Inside any of them a SE23 (Forest Hill / Honor Oak) drawing package 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. Hither Green sets the tone for SE23 (Forest Hill / Honor Oak) casework.

SE23 (Forest Hill / Honor Oak) permitted development status: there is no borough-wide direction from Lewisham Council, so a drawing package at a SE23 address is normally still permitted development. We certify that with a £274 Lawful Development Certificate rather than leaving a SE23 (Forest Hill / Honor Oak) sale to argue it later.

SE23 (Forest Hill / Honor Oak) housing stock: Victorian and Edwardian terraces across Brockley, Honor Oak, Forest Hill; 1930s semi-detached in Catford and Hither Green; post-war mixed in Deptford. Generally permissive planning compared to central boroughs; loft conversions and side-return extensions routinely approved under PD. Read that before choosing a drawing package route in SE23 (Forest Hill / Honor Oak) — construction, not postcode, sets what is achievable. Lewisham Council charges £548 for a householder application and has 8 weeks to determine it.

What happens if a SE23 property sits on a boundary?

• Southwark — adjoining SE23 (Forest Hill / Honor Oak), with 43 conservation areas centred on SE1. A drawing package on the far side of the SE23 (Forest Hill / Honor Oak) line is determined by Southwark Council, so the SE23 (Forest Hill / Honor Oak) quote for architectural drawings is checked against Southwark guidance before it is issued.
• Greenwich — the Greenwich boundary runs against Lewisham, so a drawing package a street from SE23 (Forest Hill / Honor Oak) is decided by Greenwich Council instead. Greenwich runs 20 conservation areas across SE3 and its neighbours, which is why architectural drawings priced for SE23 (Forest Hill / Honor Oak) are re-checked against Greenwich policy whenever the SE23 (Forest Hill / Honor Oak) address sits on that edge.
• Bromley — adjoining SE23 (Forest Hill / Honor Oak), with 48 conservation areas centred on BR1. A drawing package on the far side of the SE23 (Forest Hill / Honor Oak) line is determined by Bromley Council, so the SE23 (Forest Hill / Honor Oak) quote for architectural drawings is checked against Bromley guidance before it is issued.
• Tower Hamlets — the Tower Hamlets boundary runs against Lewisham, so a drawing package a street from SE23 (Forest Hill / Honor Oak) is decided by Tower Hamlets Council instead. Tower Hamlets runs 58 conservation areas across E1 and its neighbours, which is why architectural drawings priced for SE23 (Forest Hill / Honor Oak) are re-checked against Tower Hamlets policy whenever the SE23 (Forest Hill / Honor Oak) address sits on that edge.

Sources for this SE23 drawing package 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.