Rear Dormer Loft Conversions · W14 West Kensington
Fixed-fee rear dormer drawings for West Kensington, Barons Court, Olympia, Holland Park fringe in the W14 postcode, drawn by an MCIAT-chartered architectural technologist and submitted to Hammersmith & Fulham Council. W14 spans Hammersmith & Fulham and Kensington & Chelsea; conservation control is strong around Barons Court, and the Earls Court scheme borders the area.
MCIAT chartered drawings for planning, building regs, lofts and extensions — fixed fees 30% below typical London architects. Tell us what you need and we’ll reply the same working day.
A rear dormer is the workhorse loft conversion on W14's terraces in West Kensington — a box across the rear roof slope adding a double bedroom and bathroom while keeping the front roofline intact for the street. Most rear dormers near West Kensington, Barons Court, Olympia, Holland Park fringe are Permitted Development, which we confirm with Hammersmith & Fulham Council via a Lawful Development Certificate.
London's most popular loft type — the full-width rear dormer. Planning or Permitted Development route assessed for your West Kensington property, building regulations, structural steelwork and Party Wall notices, all fixed fee.
Across West Kensington, Barons Court, Olympia, Holland Park fringe in W14, the dominant property is grand victorian terraces and mansion blocks around west kensington and barons court, with artists' studio houses near holland park. That stock shapes what rear dormer drawings looks like here: the right approach for a period terrace differs from a mansion-block flat or a new-build, and Hammersmith & Fulham Council judges each on design quality and neighbour impact. We survey the specific West Kensington property, confirm the planning route — Permitted Development, a Lawful Development Certificate, or full planning — and draw a council-ready set tailored to the W14 streetscape.
Housing stock in W14: Grand Victorian terraces and mansion blocks around West Kensington and Barons Court, with artists' studio houses near Holland Park.
Within the district: West Kensington, Barons Court, Olympia, Holland Park fringe.
Streets we know in W14: the Barons Court streets (Gledstanes Road, Castletown Road), the Gibbs Green area and the Edwardes Square fringe. Each road has its own building line, boundary treatment and precedent that Hammersmith & Fulham Council weighs when assessing a rear dormer drawings scheme.
Conservation areas: Barons Court, West Kensington, Edwardes Square / Scarsdale fringe. Inside these, most external work needs full planning and a Heritage Statement.
Getting around W14: West Kensington and Barons Court on the District and Piccadilly lines, plus Kensington Olympia.
Regeneration: West Kensington falls within or beside the Earls Court / West Kensington regeneration, which shapes local planning policy and design expectations.
Property values: around £550,000 for a flat and £1.2m-£2m for a house — a useful gauge of the build value an extension or loft adds in W14.
Borough character: Suburban-feel residential streets with strong conservation area coverage; well-established mansard precedents on many terraces.
We confirm whether your West Kensington rear dormer qualifies for Permitted Development — checking volume limits (40m³ terraced, 50m³ semi/detached), Article 4, conservation area and prior extension history.
If PD applies, we obtain a Lawful Development Certificate for certainty. If not, we submit full planning with Design & Access Statement to Hammersmith & Fulham Council.
Full-width flat-roof rear dormer with matching materials, set in from party walls, cheeks clad to match existing roof — the design that Hammersmith & Fulham Council approves most readily.
Part B fire escape (protected staircase, fire doors, smoke alarms), Part K staircase, Part L insulation, Part E acoustic separation.
Steel ridge beam, purlin supports, dormer framing, floor joist upgrade — chartered engineer sign-off for Building Control.
Most rear dormers in West Kensington's terraced streets trigger Section 6 Party Wall notices. We draft, serve and coordinate the process.
Single planning or building-regs submission.
Planning + building regs + structural.
Listed, conservation or complex sites.
Yes, but the handsome Victorian terraces around Gledstanes Road and Castletown Road sit in the Barons Court conservation area, so rear and side extensions and roof changes need full planning with a Heritage Statement rather than Permitted Development. We design to match the period detailing and submit to Hammersmith & Fulham.
W14 straddles the boundary — West Kensington and Barons Court largely sit in Hammersmith & Fulham, with the eastern edge toward Holland Park in Kensington & Chelsea. The two councils apply different conservation and basement controls, so we confirm your exact authority before quoting.
The major Earls Court / West Kensington regeneration borders W14, bringing thousands of new homes and improved public realm, supporting values. For a house project the binding controls remain Permitted Development limits and the local conservation area, which we check for your address.
Yes. The mansion blocks around West Kensington and Olympia usually have freeholder controls alongside council planning, and any external change needs full consent. We produce drawings that satisfy both the freeholder and the council, and handle Party Wall matters between flats.
Our fixed fee for rear dormer drawings in West Kensington starts at £1,225 — no hourly billing. With West Kensington property at around £550,000 for a flat and £1.2m-£2m for a house, the professional drawing fee is a small fraction of the value the work adds to W14's grand victorian terraces and mansion blocks around. Hammersmith & Fulham Council charges its own statutory application fee on top (currently £258 for a householder planning application, £578 for a full application). We quote the drawings as one fixed price and the free site survey covers every W14 address.
For a W14 project across West Kensington, Barons Court, Olympia, Holland Park fringe, expect roughly 3–4 weeks from instruction to submission: week 1 the measured survey, weeks 2–3 the drawings and your revisions, then validation and the statutory determination by Hammersmith & Fulham Council (8 weeks for a householder application). We carry the West Kensington application through every officer query to the decision.
West Kensington (W14) sits primarily in Hammersmith and Fulham, so applications are decided by Hammersmith & Fulham Council. Article 4 in force in the borough: Yes. Conservation areas within W14 include Barons Court, West Kensington, Edwardes Square / Scarsdale fringe, where full planning and a Heritage Statement are required. We confirm the planning route for your exact address before quoting.
Almost always. Any structural work behind rear dormer drawings in West Kensington — new openings, steel beams, loft floors, foundations — needs Building Regulations approval covering structure (Part A), fire escape (Part B) and insulation (Part L), submitted to Hammersmith & Fulham Council Building Control or an approved inspector. On W14's typically terraced and semi-detached stock, a Party Wall notice to adjoining neighbours is normally required before the steelwork. We coordinate both as part of the Complete package.
In value terms, yes. With West Kensington (W14) property at around £550,000 for a flat and £1.2m-£2m for a house, a well-designed extension or loft typically returns more than it costs in added floor area and sale value, while our fixed drawing fee from £1,225 keeps the professional cost predictable. The bigger risk is an unapproved or non-compliant scheme — which is why council-ready drawings and a clean Building Control sign-off matter on W14 homes.
From £840.
From £840.
From £1,225.
From £1,225.
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Pick a slot that suits you. No obligation and no sales pressure — just straight answers on your planning route, fixed fee and timescale.
Every W14 postcode district we draw in, the stock that dominates it and the authority that validates a rear dormer there. W14 fees below are the statutory England rates for 2026, not rear dormer estimates.
| Postcode | Area | Dominant stock | What it means for a rear dormer |
|---|---|---|---|
| W14 | West Kensington / Barons Court | Victorian and Edwardian villas | A rear dormer in West Kensington / Barons Court may land with Hammersmith & Fulham Council or RBKC Planning — W14 crosses the boundary, and the W14 policies map decides it street by street. |
| W14 | Barons Court | Edwardian mansion blocks, Victorian terraces | Barons Court sits inside W14; rear dormer proposals here are determined by Hammersmith & Fulham Council. |
| W14 | Holland Park | Victorian and Edwardian villas | Holland Park sits inside W14; rear dormer proposals here are determined by RBKC Planning. |
| SW6 | Fulham / Parsons Green | Victorian terraces, mansion blocks | Adjoining district to W14, also inside Hammersmith and Fulham for rear dormer purposes. |
| W6 | Hammersmith / Brackenbury Village | Victorian terraces, mansion blocks | Adjoining district to W14, also inside Hammersmith and Fulham for rear dormer purposes. |
| W12 | Shepherd's Bush / White City | Victorian and Edwardian terraces | Adjoining district to W14, also inside Hammersmith and Fulham for rear dormer purposes. |
| SW3 | Chelsea / Brompton | Georgian and Victorian terraces, listed buildings | Adjoining district to W14, also inside Kensington and Chelsea for rear dormer purposes. |
| SW5 | Earl's Court | Stucco terraces, Edwardian mansion blocks | Adjoining district to W14, also inside Kensington and Chelsea for rear dormer purposes. |
| SW7 | South Kensington / Knightsbridge | Stucco terraces, mansion blocks, listed buildings | Adjoining district to W14, also inside Kensington and Chelsea for rear dormer purposes. |
| SW10 | West Brompton / World's End | Georgian and Victorian terraces, listed buildings | Adjoining district to W14, also inside Kensington and Chelsea for rear dormer purposes. |
Roof pitch, wall build-up and plot depth change every few W14 streets, and each one changes what a rear dormer can achieve at that address.
W14 (West Kensington / Barons Court) conservation designations: there are 45 across Hammersmith & Fulham Council, Fulham Palace Road, Parsons Green, Walham Green among them. Designation costs a W14 (West Kensington / Barons Court) 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. Fulham Palace Road is the W14 (West Kensington / Barons Court) designation that most often changes a rear dormer design.
Article 4 and your W14 (West Kensington / Barons Court) rear dormer: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. At a W14 address that matters twice over, because Hammersmith & Fulham Council applies the direction unevenly across W14 (West Kensington / Barons Court) — we read the W14 (West Kensington / Barons Court) policies map for the exact W14 address before quoting rear dormers.
The building fabric around W14 (West Kensington / Barons Court): 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. A rear dormer in W14 (West Kensington / Barons Court) is scoped against that stock first. Our W14 (West Kensington / Barons Court) fixed fee starts at £1,225; the £1,750 Complete package runs the W14 (West Kensington / Barons Court) scheme through Hammersmith & Fulham Council planning and building control in one go.
W14 (West Kensington / Barons Court) conservation designations: there are 38 across RBKC Planning, Notting Hill, Holland Park, Earls Court among them. Designation costs a W14 (West Kensington / Barons Court) 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. Notting Hill is the W14 (West Kensington / Barons Court) designation that most often changes a rear dormer design.
Article 4 and your W14 (West Kensington / Barons Court) rear dormer: Article 4 Directions covering HMOs, office-to-residential, and basement developments — RBKC has some of the strictest basement policies in London. At a W14 address that matters twice over, because RBKC Planning applies the direction unevenly across W14 (West Kensington / Barons Court) — we read the W14 (West Kensington / Barons Court) policies map for the exact W14 address before quoting rear dormers.
Digging below a W14 (West Kensington / Barons Court) property: RBKC's basement policy (post-2015) limits to single-storey under 50% of garden area; double-storey basements effectively prohibited in residential streets. Where a rear dormer in W14 (West Kensington / Barons Court) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a W14 (West Kensington / Barons Court) dig within 3 m of a neighbour, and RBKC Planning expects the W14 ground conditions addressed in the application.
The building fabric around W14 (West Kensington / Barons Court): Grand white stucco Regency and Victorian terraces; red-brick Queen Anne mansions in Kensington; Edwardian mansion blocks; almost no post-war housing stock. Internationally wealthy residents; extensive listed building coverage; heritage and streetscape prioritised in every decision. A rear dormer in W14 (West Kensington / Barons Court) is scoped against that stock first. Our W14 (West Kensington / Barons Court) fixed fee starts at £1,225; the £1,750 Complete package runs the W14 (West Kensington / Barons Court) scheme through RBKC Planning planning and building control in one go.
Sources for this W14 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.
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