Rear Dormer Loft Conversion Drawings in St John's Wood (NW8)

Which postcode districts around NW8 do we cover for rear dormer work?

Every NW8 postcode district we draw in, the stock that dominates it and the authority that validates a rear dormer there. NW8 fees below are the statutory England rates for 2026, not rear dormer estimates.

How does a rear dormer differ street by street across NW8?

Roof pitch, wall build-up and plot depth change every few NW8 streets, and each one changes what a rear dormer can achieve at that address.

• Inside NW8: St John's Wood (NW8) — a rear dormer in St John's Wood starts from victorian villas, mansion blocks, and St John's Wood reads as Victorian villas, mansion blocks. Full-width rear dormers on Victorian terraces here are the default in NW8. Westminster City Council assesses St John's Wood rear dormers against its own St John's Wood character guidance, and the location plan we draw for St John's Wood references Lord's Cricket Ground.
• Bordering NW8: Mayfair (W1J, W1K) — Georgian listed townhouses, luxury defines Mayfair, where georgian townhouses, listed buildings set what a rear dormer can do. A dormer on a Georgian roof has to sit behind the parapet line across W1J. Any Mayfair rear dormer is validated by Westminster City Council, with Berkeley Square the usual Mayfair reference point on the site plan.
• Bordering NW8: Belgravia (SW1X, SW1W) — a rear dormer in Belgravia starts from regency stucco terraces, listed buildings, and Belgravia reads as white stucco Regency terraces. Full-width rear dormers on Victorian terraces here are the default in SW1X. Westminster City Council assesses Belgravia rear dormers against its own Belgravia character guidance, and the location plan we draw for Belgravia references Eaton Square.
• Bordering NW8: Marylebone (W1U, W1G, W1H) — Georgian and Victorian terraces, mansion blocks defines Marylebone, where georgian terraces, edwardian mansion blocks set what a rear dormer can do. A dormer on a Georgian roof has to sit behind the parapet line across W1U. Any Marylebone rear dormer is validated by Westminster City Council, with Marylebone High Street the usual Marylebone reference point on the site plan.
• Bordering NW8: Pimlico (SW1V) — rear dormer work in Pimlico means regency terraces, post-war estates. Pimlico is Regency stucco terraces, grid plan. Trussed post-war roofs need a full structural redesign before a dormer throughout SW1V. Westminster City Council decides the Pimlico application, and Tate Britain anchors the Pimlico location plan.
• Bordering NW8: Soho (W1D, W1F) — a rear dormer in Soho starts from georgian terraces, mixed-use, and Soho reads as Georgian fragments, mixed-use. A dormer on a Georgian roof has to sit behind the parapet line in W1D. Westminster City Council assesses Soho rear dormers against its own Soho character guidance, and the location plan we draw for Soho references Soho Square.
• Bordering NW8: Covent Garden (WC2E, WC2H) — a rear dormer in Covent Garden starts from georgian terraces, conversions, and Covent Garden reads as Georgian piazza, listed buildings. A dormer on a Georgian roof has to sit behind the parapet line in WC2E. Westminster City Council assesses Covent Garden rear dormers against its own Covent Garden character guidance, and the location plan we draw for Covent Garden references Royal Opera House.
• Bordering NW8: Bayswater (W2) — rear dormer work in Bayswater means victorian stucco terraces. Bayswater is Victorian stucco terraces. Full-width rear dormers on Victorian terraces here are the default throughout W2. Westminster City Council decides the Bayswater application, and Hyde Park anchors the Bayswater location plan.
• Bordering NW8: Paddington (W2) — Regency and Victorian terraces, canal-side regen defines Paddington, where regency terraces, modern apartments set what a rear dormer can do. Shallow modern roof pitches rarely leave the head height a dormer needs across W2. Any Paddington rear dormer is validated by Westminster City Council, with Paddington Basin the usual Paddington reference point on the site plan.
• Bordering NW8: Victoria (SW1E, SW1W) — a rear dormer in Victoria starts from regency terraces, post-war flats, and Victoria reads as Regency terraces, mixed-use. Trussed post-war roofs need a full structural redesign before a dormer in SW1E. Westminster City Council assesses Victoria rear dormers against its own Victoria character guidance, and the location plan we draw for Victoria references Victoria Station.

What local planning policy applies to a rear dormer in NW8?

Conservation areas covering NW8 (St John's Wood): Westminster City Council runs 56, and Belgravia, Marylebone, Pimlico are the ones NW8 (St John's Wood) owners meet most. A rear dormer inside a NW8 (St John's Wood) conservation area loses permitted development, so the NW8 (St John's Wood) submission is a householder application at £258 decided in 8 weeks — not a £120 prior approval decided in 6 weeks. In St John's Wood a rear dormer is judged on the street elevation first.

NW8 (St John's Wood) and Article 4: Multiple Article 4 Directions — office-to-residential restrictions, HMO conversions, retail to residential in shopping zones. A rear dormer planned at a NW8 address is checked against that direction first; Westminster City Council publishes the NW8 (St John's Wood) extent, and the NW8 line rarely follows the NW8 (St John's Wood) boundary you would expect.

NW8 (St John's Wood) below-ground policy: Westminster basement policy restricts to single-storey, typically under 50% of rear garden footprint; lightwells and rooflights strictly controlled in conservation areas. Any rear dormer in NW8 (St John's Wood) that goes below existing foundations triggers two months notice under section 6 of the Party Wall etc. Act 1996, and Westminster City Council will want the NW8 ground and groundwater position set out.

The building fabric around NW8 (St John's Wood): Grand Georgian and Regency terraces in Belgravia and Pimlico; Victorian and Edwardian mansion blocks; heritage-rich townhouses throughout; very high listed building density. Heritage-first planning approach; listed buildings on almost every street; basement and rear extension policies particularly strict. A rear dormer in NW8 (St John's Wood) is scoped against that stock first. Our NW8 (St John's Wood) fixed fee starts at £1,225; the £1,750 Complete package runs the NW8 (St John's Wood) scheme through Westminster City Council planning and building control in one go.

Conservation areas covering NW8 (St John's Wood): Camden Council runs 40, and Camden Town, Fitzrovia, Hampstead are the ones NW8 (St John's Wood) owners meet most. A rear dormer inside a NW8 (St John's Wood) conservation area loses permitted development, so the NW8 (St John's Wood) submission is a householder application at £258 decided in 8 weeks — not a £120 prior approval decided in 6 weeks. In Bloomsbury a rear dormer is judged on the street elevation first.

NW8 (St John's Wood) and Article 4: Article 4 removes permitted development for HMO conversions (C3 to C4) across the borough, plus restrictions on basement extensions in 12 conservation areas. A rear dormer planned at a NW8 address is checked against that direction first; Camden Council publishes the NW8 (St John's Wood) extent, and the NW8 line rarely follows the NW8 (St John's Wood) boundary you would expect.

NW8 (St John's Wood) below-ground policy: Camden's basement policy (Policy A5) restricts single-storey basements to 50% of garden area; double-storey basements generally refused outside commercial zones. Any rear dormer in NW8 (St John's Wood) that goes below existing foundations triggers two months notice under section 6 of the Party Wall etc. Act 1996, and Camden Council will want the NW8 ground and groundwater position set out.

The building fabric around NW8 (St John's Wood): Victorian and Edwardian terraces, Georgian townhouses in Bloomsbury and Hampstead, post-war mansion blocks, modern developments in King's Cross. Creative, affluent in Hampstead and Primrose Hill; dense mixed-use around Camden Town and Kings Cross; academic character in Bloomsbury. A rear dormer in NW8 (St John's Wood) is scoped against that stock first. Our NW8 (St John's Wood) fixed fee starts at £1,225; the £1,750 Complete package runs the NW8 (St John's Wood) scheme through Camden Council planning and building control in one go.

What happens if a NW8 property sits on a boundary?

• Wandsworth — cross the NW8 (St John's Wood) 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 NW8 (St John's Wood) edge because Wandsworth policy and Westminster policy rarely align on rear dormer depth.
• Lambeth — the Lambeth boundary runs against Westminster, so a rear dormer a street from NW8 (St John's Wood) is decided by Lambeth Council instead. Lambeth runs 64 conservation areas across SE1 and its neighbours, which is why rear dormers priced for NW8 (St John's Wood) are re-checked against Lambeth policy whenever the NW8 (St John's Wood) address sits on that edge.
• City of London — the City of London boundary runs against Westminster, so a rear dormer a street from NW8 (St John's Wood) 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 NW8 (St John's Wood) are re-checked against City of London policy whenever the NW8 (St John's Wood) address sits on that edge.
• Camden — cross the NW8 (St John's Wood) boundary and Camden Council takes the rear dormer instead, applying 40 conservation areas of its own around NW1. We re-price rear dormers at the NW8 (St John's Wood) edge because Camden policy and Westminster policy rarely align on rear dormer depth.
• Islington — adjoining NW8 (St John's Wood), with 40 conservation areas centred on N1. A rear dormer on the far side of the NW8 (St John's Wood) line is determined by Islington Council, so the NW8 (St John's Wood) quote for rear dormers is checked against Islington guidance before it is issued.
• Barnet — cross the NW8 (St John's Wood) boundary and Barnet Council takes the rear dormer instead, applying 20 conservation areas of its own around N2. We re-price rear dormers at the NW8 (St John's Wood) edge because Barnet policy and Camden policy rarely align on rear dormer depth.
• Haringey — adjoining NW8 (St John's Wood), with 29 conservation areas centred on N4. A rear dormer on the far side of the NW8 (St John's Wood) line is determined by Haringey Council, so the NW8 (St John's Wood) quote for rear dormers is checked against Haringey guidance before it is issued.
• Brent — cross the NW8 (St John's Wood) boundary and Brent Council takes the rear dormer instead, applying 22 conservation areas of its own around NW2. We re-price rear dormers at the NW8 (St John's Wood) edge because Brent policy and Camden policy rarely align on rear dormer depth.

Sources for this NW8 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.