Two-storey rear extension in Woolwich

Which Woolwich postcodes does this house extensions service cover?

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

Which Woolwich neighbourhoods suit a house extensions best?

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

• Woolwich (SE18) — a house extensions in Woolwich starts from georgian fragments, post-war estates, new-build, and Woolwich reads as Georgian arsenal heritage, riverside regen. Georgian rear elevations here are usually the listed or locally listed face of the building in SE18. Greenwich Council assesses Woolwich house extensions against its own Woolwich character guidance, and the location plan we draw for Woolwich references Royal Arsenal.
• Near Woolwich: Thamesmead (SE28) — house extensions work in Thamesmead means post-war estates, new-build. Thamesmead is post-war estate, Brutalist origins, regen. Post-war houses on these estates often sit under an estate management scheme throughout SE28. Greenwich Council decides the Thamesmead application, and Thamesmead Town Centre anchors the Thamesmead location plan.
• Near Woolwich: Kidbrooke (SE3) — regenerated quarter, new-build estate defines Kidbrooke, where new-build, post-war fragments set what a house extensions can do. Post-war houses on these estates often sit under an estate management scheme across SE3. Any Kidbrooke house extensions is validated by Greenwich Council, with Kidbrooke Village the usual Kidbrooke reference point on the site plan.
• Near Woolwich: New Eltham (SE9) — house extensions work in New Eltham means 1930s semi-detached. New Eltham is 1930s semi-detached. 1930s semis here have the deepest rear gardens in the area throughout SE9. Greenwich Council decides the New Eltham application, and New Eltham station anchors the New Eltham location plan.
• Near Woolwich: Greenwich (SE10) — house extensions work in Greenwich means georgian terraces, listed buildings. Greenwich is Georgian World Heritage centre. Georgian rear elevations here are usually the listed or locally listed face of the building throughout SE10. Greenwich Council decides the Greenwich application, and Royal Observatory anchors the Greenwich location plan.
• Near Woolwich: Charlton (SE7) — a house extensions in Charlton starts from victorian villas, 1930s semi-detached, and Charlton reads as Victorian villas, 1930s semi-detached. The side-return infill is the classic move on these Victorian terraces — 3 m of permitted development depth plus the width of the original side passage in SE7. Greenwich Council assesses Charlton house extensions against its own Charlton character guidance, and the location plan we draw for Charlton references Charlton House.
• Near Woolwich: Eltham (SE9) — house extensions work in Eltham means 1930s semi-detached, post-war flats. Eltham is 1930s semi-detached, Tudor fragments. 1930s semis here have the deepest rear gardens in the area throughout SE9. Greenwich Council decides the Eltham application, and Eltham Palace anchors the Eltham location plan.

Does Woolwich planning policy restrict a house extensions?

How designation changes a Woolwich house extensions: Greenwich Council maintains 20 conservation areas, including Eltham Park, Greenwich Town Centre (World Heritage Site), Blackheath. Inside any of them a Woolwich house extensions 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. Blackheath sets the tone for Woolwich casework.

Article 4 and your Woolwich house extensions: Greenwich Council has made no borough-wide direction, so permitted development for a house extensions in Woolwich generally survives outside Woolwich conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a SE18 owner records that a house extensions was lawful.

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

What happens if a Woolwich property sits on a boundary?

• Newham — the Newham boundary runs against Greenwich, so a house extensions a street from Woolwich is decided by Newham Council instead. Newham runs 10 conservation areas across E6 and its neighbours, which is why house extensions priced for Woolwich are re-checked against Newham policy whenever the Woolwich address sits on that edge.
• Tower Hamlets — cross the Woolwich boundary and Tower Hamlets Council takes the house extensions instead, applying 58 conservation areas of its own around E1. We re-price house extensions at the Woolwich edge because Tower Hamlets policy and Greenwich policy rarely align on house extensions depth.
• Lewisham — cross the Woolwich boundary and Lewisham Council takes the house extensions instead, applying 30 conservation areas of its own around SE3. We re-price house extensions at the Woolwich edge because Lewisham policy and Greenwich policy rarely align on house extensions depth.
• Bexley — the Bexley boundary runs against Greenwich, so a house extensions a street from Woolwich is decided by Bexley Council instead. Bexley runs 16 conservation areas across DA1 and its neighbours, which is why house extensions priced for Woolwich are re-checked against Bexley policy whenever the Woolwich address sits on that edge.

Sources for this Woolwich 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.