Loft Conversions in Hammersmith

Hammersmith FAQ for loft conversion drawings

Do I need planning permission for loft conversion drawings in Hammersmith?

Most loft conversion drawings projects in Hammersmith fall under Permitted Development if the property is a house (not a flat), not listed, and not in a conservation area. Hammersmith and Fulham has an Article 4 Direction — Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. We confirm eligibility free at the site survey.

How much does loft conversion drawings cost in Hammersmith?

Drawings: fixed fee from £1,225 (Loft Conversions). Construction cost is separate and depends on size, finish and structural complexity. For victorian terraces, mansion blocks (typical of Hammersmith), expect £45,000–£85,000 build cost for a standard rear extension or loft, more for mansards or basements.

How long does the loft conversion drawings process take in Hammersmith?

12–14 weeks from first call to Hammersmith & Fulham Council planning decision. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination.

What property types are common in Hammersmith?

Hammersmith is characterised by victorian terraces, mansion blocks. We've delivered loft conversion drawings for every period represented here — the design choices vary significantly by stock.

Will my application succeed in Hammersmith?

Our first-time approval rate in Hammersmith and Fulham is 98%. Pre-application advice from Hammersmith & Fulham Council is built into our process when the case is borderline (conservation area, Article 4, listed).

Which postcode districts around Hammersmith do we cover for loft conversion work?

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

Postcode	Area	Dominant stock	What it means for a loft conversion
W6	Hammersmith / Brackenbury Village	Victorian terraces, mansion blocks	Hammersmith / Brackenbury Village sits wholly inside W6, so Hammersmith & Fulham Council validates every loft conversion submitted from an W6 address.
SW6	Fulham	Victorian terraces, mansion blocks	Neighbouring Fulham, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
W12	Shepherd's Bush	Victorian and Edwardian terraces	Neighbouring Shepherd's Bush, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
W12	White City	Post-war estates, new-build	Neighbouring White City, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
SW6	Parsons Green	Victorian terraces	Neighbouring Parsons Green, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
W14	Barons Court	Edwardian mansion blocks, Victorian terraces	Neighbouring Barons Court, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
W6	Brackenbury Village	Victorian terraces	Neighbouring Brackenbury Village, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.
SW6	Sand's End	Victorian terraces, new-build	Neighbouring Sand's End, where loft conversion work is handled by the same Hammersmith & Fulham Council case officers.

How does a loft conversion differ street by street across Hammersmith?

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

Hammersmith (W6) — a loft conversion in Hammersmith starts from victorian terraces, mansion blocks, and Hammersmith reads as Victorian terraces, riverside character. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 in W6. Hammersmith & Fulham Council assesses Hammersmith loft conversions against its own Hammersmith character guidance, and the location plan we draw for Hammersmith references Hammersmith Bridge.
Near Hammersmith: Shepherd's Bush (W12) — a loft conversion in Shepherd's Bush starts from victorian and edwardian terraces, and Shepherd's Bush reads as Victorian and Edwardian terraces. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 in W12. Hammersmith & Fulham Council assesses Shepherd's Bush loft conversions against its own Shepherd's Bush character guidance, and the location plan we draw for Shepherd's Bush references Westfield London.
Near Hammersmith: White City (W12) — regenerated quarter, post-war estates defines White City, where post-war estates, new-build set what a loft conversion can do. Post-war roofs on these estates are often trussed across W12. Any White City loft conversion is validated by Hammersmith & Fulham Council, with Television Centre the usual White City reference point on the site plan.
Near Hammersmith: Parsons Green (SW6) — loft conversion work in Parsons Green means victorian terraces. Parsons Green is Victorian bay-fronted terraces around the green. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 throughout SW6. Hammersmith & Fulham Council decides the Parsons Green application, and Parsons Green park anchors the Parsons Green location plan.
Near Hammersmith: Barons Court (W14) — Edwardian mansion blocks, Victorian terraces defines Barons Court, where edwardian mansion blocks, victorian terraces set what a loft conversion can do. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 across W14. Any Barons Court loft conversion is validated by Hammersmith & Fulham Council, with Barons Court Tube the usual Barons Court reference point on the site plan.
Near Hammersmith: Brackenbury Village (W6) — a loft conversion in Brackenbury Village starts from victorian terraces, and Brackenbury Village reads as Victorian conservation area. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 in W6. Hammersmith & Fulham Council assesses Brackenbury Village loft conversions against its own Brackenbury Village character guidance, and the location plan we draw for Brackenbury Village references Ravenscourt Park.
Near Hammersmith: Sand's End (SW6) — a loft conversion in Sand's End starts from victorian terraces, new-build, and Sand's End reads as Victorian terraces, riverside regen. The Victorian butterfly and double-pitched roofs on these streets normally clear the 2.2 in SW6. Hammersmith & Fulham Council assesses Sand's End loft conversions against its own Sand's End character guidance, and the location plan we draw for Sand's End references Imperial Wharf.

What local planning policy applies to a loft conversion in Hammersmith?

How designation changes a Hammersmith loft conversion: Hammersmith & Fulham Council maintains 45 conservation areas, including Fulham Palace Road, Parsons Green, Walham Green. Inside any of them a Hammersmith loft conversion cannot rely on permitted development, and the route becomes a £258 householder application determined in 8 weeks rather than a £120 prior approval in 6 weeks. Walham Green sets the tone for Hammersmith casework.

Article 4 and your Hammersmith loft conversion: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. At a W6 address that matters twice over, because Hammersmith & Fulham Council applies the direction unevenly across Hammersmith — we read the Hammersmith policies map for the exact W6 address before quoting loft conversions.

What Hammersmith is built from: Victorian and Edwardian terraces — particularly two-storey bay-fronted terraces south of the river in Fulham and Parsons Green; mansion blocks along main roads. Suburban-feel residential streets with strong conservation area coverage; well-established mansard precedents on many terraces. That mix decides the loft conversion route in Hammersmith more than the postcode does. Our fixed fee for loft conversions in Hammersmith starts at £1,225, against £1,750 for the Complete package that carries a Hammersmith scheme through Hammersmith & Fulham Council planning and building regulations together.

Who decides a loft conversion on the edge of Hammersmith?

Kensington and Chelsea — adjoining Hammersmith, with 38 conservation areas centred on SW1. A loft conversion on the far side of the Hammersmith line is determined by RBKC Planning, so the Hammersmith quote for loft conversions is checked against Kensington and Chelsea guidance before it is issued.
Brent — cross the Hammersmith boundary and Brent Council takes the loft conversion instead, applying 22 conservation areas of its own around NW2. We re-price loft conversions at the Hammersmith edge because Brent policy and Hammersmith and Fulham policy rarely align on loft conversion depth.
Ealing — the Ealing boundary runs against Hammersmith and Fulham, so a loft conversion a street from Hammersmith is decided by Ealing Council instead. Ealing runs 30 conservation areas across W3 and its neighbours, which is why loft conversions priced for Hammersmith are re-checked against Ealing policy whenever the Hammersmith address sits on that edge.
Hounslow — adjoining Hammersmith, with 30 conservation areas centred on W3. A loft conversion on the far side of the Hammersmith line is determined by Hounslow Council, so the Hammersmith quote for loft conversions is checked against Hounslow guidance before it is issued.

Sources for this Hammersmith 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.