Rear Dormer Loft Conversion Drawings in Herne Hill (SE24)

Which SE24 postcodes does this rear dormer service cover?

Every SE24 postcode district we draw in, the stock that dominates it and the authority that validates a rear dormer there. SE24 fees below are the statutory England rates for 2026, not rear dormer estimates.

Which SE24 neighbourhoods suit a rear dormer best?

Roof pitch, wall build-up and plot depth change every few SE24 streets, and each one changes what a rear dormer can achieve at that address.

• Inside SE24: Herne Hill (SE24) — a rear dormer in Herne Hill starts from victorian villas, edwardian terraces, and Herne Hill reads as Victorian villas around Brockwell Park. Full-width rear dormers on Victorian terraces here are the default in SE24. Lambeth Council assesses Herne Hill rear dormers against its own Herne Hill character guidance, and the location plan we draw for Herne Hill references Brockwell Park.
• Bordering SE24: Clapham (SW4) — a rear dormer in Clapham starts from victorian terraces, edwardian villas, and Clapham reads as Victorian terraces around the common. Full-width rear dormers on Victorian terraces here are the default in SW4. Lambeth Council assesses Clapham rear dormers against its own Clapham character guidance, and the location plan we draw for Clapham references Clapham Common.
• Bordering SE24: Brixton (SW2, SW9) — a rear dormer in Brixton starts from victorian terraces, post-war estates, and Brixton reads as Victorian terraces, vibrant centre. Full-width rear dormers on Victorian terraces here are the default in SW2. Lambeth Council assesses Brixton rear dormers against its own Brixton character guidance, and the location plan we draw for Brixton references Brixton Market.
• Bordering SE24: Kennington (SE11) — Georgian terraces, Regency squares defines Kennington, where georgian terraces, post-war estates set what a rear dormer can do. A dormer on a Georgian roof has to sit behind the parapet line across SE11. Any Kennington rear dormer is validated by Lambeth Council, with Kennington Park the usual Kennington reference point on the site plan.
• Bordering SE24: Streatham (SW16) — a rear dormer in Streatham starts from edwardian terraces, post-war flats, and Streatham reads as Edwardian terraces, post-war flats. The deeper Edwardian rear slope takes a full-width dormer without breaching the 40 in SW16. Lambeth Council assesses Streatham rear dormers against its own Streatham character guidance, and the location plan we draw for Streatham references Streatham High Road.
• Bordering SE24: Stockwell (SW9) — Victorian terraces, post-war estates defines Stockwell, where victorian terraces, post-war estates set what a rear dormer can do. Full-width rear dormers on Victorian terraces here are the default across SW9. Any Stockwell rear dormer is validated by Lambeth Council, with Stockwell station the usual Stockwell reference point on the site plan.
• Bordering SE24: Vauxhall (SE11, SW8) — rear dormer work in Vauxhall means regency terraces, modern apartments, post-war flats. Vauxhall is Regency fragments, riverside new-build. Trussed post-war roofs need a full structural redesign before a dormer throughout SE11. Lambeth Council decides the Vauxhall application, and Vauxhall Bridge anchors the Vauxhall location plan.
• Bordering SE24: West Norwood (SE27) — rear dormer work in West Norwood means victorian terraces, edwardian villas. West Norwood is Victorian terraces, Edwardian villas. Full-width rear dormers on Victorian terraces here are the default throughout SE27. Lambeth Council decides the West Norwood application, and West Norwood Cemetery anchors the West Norwood location plan.
• Bordering SE24: Tulse Hill (SE27, SW2) — rear dormer work in Tulse Hill means victorian villas, edwardian terraces. Tulse Hill is Victorian villas, Edwardian terraces. Full-width rear dormers on Victorian terraces here are the default throughout SE27. Lambeth Council decides the Tulse Hill application, and Tulse Hill station anchors the Tulse Hill location plan.
• Bordering SE24: Waterloo (SE1) — a rear dormer in Waterloo starts from georgian terraces, post-war flats, new-build, and Waterloo reads as Georgian fragments, post-war estates, regen. A dormer on a Georgian roof has to sit behind the parapet line in SE1. Lambeth Council assesses Waterloo rear dormers against its own Waterloo character guidance, and the location plan we draw for Waterloo references Southbank Centre.

What local planning policy applies to a rear dormer in SE24?

SE24 (Herne Hill) conservation designations: there are 64 across Lambeth Council, Herne Hill, Brixton Road, Kennington among them. Designation costs a SE24 (Herne Hill) owner the permitted-development route: a rear dormer then needs a £258 householder application over 8 weeks, in place of the £120 prior approval route that takes 6 weeks. Brixton Road is the SE24 (Herne Hill) designation that most often changes a rear dormer design.

What Article 4 removes near SE24 (Herne Hill): Borough-wide Article 4 for HMO conversions; plus office-to-residential restrictions. Before pricing a rear dormer we check whether the SE24 address is inside the mapped area, because Lambeth Council draws the SE24 (Herne Hill) boundary street by street rather than across the whole of SE24 (Herne Hill).

What SE24 (Herne Hill) is built from: Victorian terraces in Clapham, Brixton, Herne Hill; Edwardian villas; 1930s and post-war estates in parts of Streatham; Georgian in Kennington. Mix of dense Victorian residential and post-war estate; strong conservation area coverage; generally design-led planning decisions. That mix decides the rear dormer route in SE24 (Herne Hill) more than the postcode does. Our fixed fee for rear dormers in SE24 (Herne Hill) starts at £1,225, against £1,750 for the Complete package that carries a SE24 (Herne Hill) scheme through Lambeth Council planning and building regulations together.

SE24 (Herne Hill) conservation designations: there are 43 across Southwark Council, Bermondsey Street, Dulwich Village, Peckham Rye among them. Designation costs a SE24 (Herne Hill) owner the permitted-development route: a rear dormer then needs a £258 householder application over 8 weeks, in place of the £120 prior approval route that takes 6 weeks. Peckham Rye is the SE24 (Herne Hill) designation that most often changes a rear dormer design.

What Article 4 removes near SE24 (Herne Hill): Article 4 for HMOs borough-wide; additional Article 4 for office-to-residential in Bermondsey and Elephant & Castle. Before pricing a rear dormer we check whether the SE24 address is inside the mapped area, because Southwark Council draws the SE24 (Herne Hill) boundary street by street rather than across the whole of SE24 (Herne Hill).

What SE24 (Herne Hill) is built from: Georgian and Regency in Bermondsey and Borough; Victorian terraces in Camberwell and Peckham; Dulwich Estate controlled housing; riverside new-build. Dulwich Estate private planning scheme affects much of SE21 and SE22; Southwark planning for rest of borough; strong heritage context. That mix decides the rear dormer route in SE24 (Herne Hill) more than the postcode does. Our fixed fee for rear dormers in SE24 (Herne Hill) starts at £1,225, against £1,750 for the Complete package that carries a SE24 (Herne Hill) scheme through Southwark Council planning and building regulations together.

What happens if a SE24 property sits on a boundary?

• Westminster — adjoining SE24 (Herne Hill), with 56 conservation areas centred on SW1. A rear dormer on the far side of the SE24 (Herne Hill) line is determined by Westminster City Council, so the SE24 (Herne Hill) quote for rear dormers is checked against Westminster guidance before it is issued.
• Southwark — adjoining SE24 (Herne Hill), with 43 conservation areas centred on SE1. A rear dormer on the far side of the SE24 (Herne Hill) line is determined by Southwark Council, so the SE24 (Herne Hill) quote for rear dormers is checked against Southwark guidance before it is issued.
• Wandsworth — cross the SE24 (Herne Hill) boundary and Wandsworth Council takes the rear dormer instead, applying 45 conservation areas of its own around SW8. We re-price rear dormers at the SE24 (Herne Hill) edge because Wandsworth policy and Lambeth policy rarely align on rear dormer depth.
• Croydon — cross the SE24 (Herne Hill) boundary and Croydon Council takes the rear dormer instead, applying 24 conservation areas of its own around CR0. We re-price rear dormers at the SE24 (Herne Hill) edge because Croydon policy and Lambeth policy rarely align on rear dormer depth.
• City of London — the City of London boundary runs against Southwark, so a rear dormer a street from SE24 (Herne Hill) is decided by City of London Corporation instead. City of London runs 27 conservation areas across EC1 and its neighbours, which is why rear dormers priced for SE24 (Herne Hill) are re-checked against City of London policy whenever the SE24 (Herne Hill) address sits on that edge.
• Lambeth — cross the SE24 (Herne Hill) boundary and Lambeth Council takes the rear dormer instead, applying 64 conservation areas of its own around SE1. We re-price rear dormers at the SE24 (Herne Hill) edge because Lambeth policy and Southwark policy rarely align on rear dormer depth.
• Lewisham — the Lewisham boundary runs against Southwark, so a rear dormer a street from SE24 (Herne Hill) is decided by Lewisham Council instead. Lewisham runs 30 conservation areas across SE3 and its neighbours, which is why rear dormers priced for SE24 (Herne Hill) are re-checked against Lewisham policy whenever the SE24 (Herne Hill) address sits on that edge.
• Bromley — cross the SE24 (Herne Hill) boundary and Bromley Council takes the rear dormer instead, applying 48 conservation areas of its own around BR1. We re-price rear dormers at the SE24 (Herne Hill) edge because Bromley policy and Southwark policy rarely align on rear dormer depth.

Sources for this SE24 rear dormer 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.