Every loft type across every Hammersmith and Fulham roof line — dormer, mansard, hip-to-gable, L-shape, Velux. LDC or full planning route, building regulations, structural calculations and party wall notices, all fixed price.
In Hammersmith and Fulham — Victorian and Edwardian terraces — particularly two-storey bay-fronted terraces south of the river in Fulham and Parsons Green; mansion blocks along main roads for the most part — a loft conversion drawings package is the full measured-survey-to-submission drawing set London Borough of Hammersmith and Fulham needs in order to determine an application: existing and proposed plans, elevations and sections at 1:100 and 1:50, a location and site plan, and the supporting statements the case officer asks for.
Prepared and reviewed by the chartered technologist team at Architectural Drawings London — MCIAT chartered, £2m PI insured.Last reviewed 2026-08-03.


Every loft type across every Hammersmith and Fulham roof line — dormer, mansard, hip-to-gable, L-shape, Velux. LDC or full planning route, building regulations, structural calculations and party wall notices, all fixed price.
Housing stock in Hammersmith and Fulham: Victorian and Edwardian terraces — particularly two-storey bay-fronted terraces south of the river in Fulham and Parsons Green; mansion blocks along main roads.
Character: Suburban-feel residential streets with strong conservation area coverage; well-established mansard precedents on many terraces.
Article 4: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets.
We confirm before quoting whether your Hammersmith and Fulham loft has the head height and structural capacity.
Most Hammersmith and Fulham loft conversions qualify for a Lawful Development Certificate. We check Article 4 and conservation constraints first.
Option studies including massing, internal layout and roof geometry.
Staircase Part K compliance, Part B fire escape, Part L insulation, Part E acoustic separation.
Ridge beam, purlins, steelwork, floor joist upgrade, dormer framing — chartered engineer sign-off.
Almost every Hammersmith and Fulham loft triggers Party Wall notices. We draft notices and coordinate with surveyors.

Single planning or regs submission.
Planning + building regs + structural.
Listed, conservation, complex sites.
Move the controls for an indicative figure. It anchors your budget — it is not a quote. Every project is priced after a free survey.
Build costs are separate and quoted by your contractor. See our published fees.
Every Hammersmith and Fulham postcode district we draw in, the stock that dominates it and the authority that validates a loft conversion there. Hammersmith and Fulham fees below are the statutory England rates for 2026, not loft conversion estimates.
| Postcode | Area | Dominant stock | What it means for a loft conversion |
|---|---|---|---|
| SW6 | Fulham / Parsons Green | Victorian terraces, mansion blocks | Fulham / Parsons Green sits wholly inside SW6, so Hammersmith & Fulham Council validates every loft conversion submitted from an SW6 address. |
| 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. |
| W12 | Shepherd's Bush / White City | Victorian and Edwardian terraces | W12 covers Shepherd's Bush / White City only; Hammersmith & Fulham Council handles the loft conversion, and Shepherd's Bush / White City case officers apply the W12 conservation-area map. |
| W14 | West Kensington / Barons Court | Victorian and Edwardian villas | West Kensington / Barons Court is split at W14. Either Hammersmith & Fulham Council or RBKC Planning can determine a loft conversion here, so the W14 address is checked against both policies maps first. |
| SW10 | West Brompton / World's End | Georgian and Victorian terraces, listed buildings | A loft conversion in West Brompton / World's End may land with RBKC Planning or Hammersmith & Fulham Council — SW10 crosses the boundary, and the SW10 policies map decides it street by street. |
Roof pitch, wall build-up and plot depth change every few Hammersmith and Fulham streets, and each one changes what a loft conversion can achieve at that address.
Hammersmith and Fulham conservation designations: there are 45 across Hammersmith & Fulham Council, Walham Green, Hammersmith Grove, Brackenbury Village among them. Designation costs a Hammersmith and Fulham owner the permitted-development route: a loft conversion then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Hammersmith Grove is the Hammersmith and Fulham designation that most often changes a loft conversion design.
What Article 4 removes near Hammersmith and Fulham: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. Before pricing a loft conversion we check whether the SW6 address is inside the mapped area, because Hammersmith & Fulham Council draws the Hammersmith and Fulham boundary street by street rather than across the whole of Hammersmith and Fulham.
What Hammersmith and Fulham 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 and Fulham more than the postcode does, and it is what a Hammersmith & Fulham Council case officer reads first. A householder application costs £548 paid to Hammersmith & Fulham Council direct, with 8 weeks to a decision once validated.
Sources for this Hammersmith and Fulham 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.
Direct answers to the questions Hammersmith and Fulham homeowners ask every week about loft conversion drawings.
Start a free quote →It depends on your exact address in Hammersmith and Fulham. Most standard loft conversions qualify as Permitted Development (no planning permission needed) if under 40m³ for terraced or 50m³ for semi-detached, with matching materials and 20cm eaves setback. However Hammersmith and Fulham has Article 4 Directions that may remove these rights — and flats, conservation areas and listed buildings always require full planning. We confirm permitted development eligibility at the free feasibility visit.
Two costs matter for a Hammersmith and Fulham loft: our architectural package (planning route, building regulations and structural calculations, quoted as one fixed figure) and the builder's construction cost, which varies with loft type — a standard dormer is materially cheaper to build than a mansard. We quote the design fee up front; see our fees.
Very often yes in Hammersmith and Fulham. Rear mansards are routinely approved by Hammersmith & Fulham Council where the design matches the terrace — including within conservation areas like Hammersmith Grove. A Heritage Statement and sensitive design following the borough's published guidance are essential for conservation area mansards.
2.3m measured from existing ceiling joist to existing ridge is the practical minimum for a standard conversion in Hammersmith and Fulham. Below 2.2m usually requires dropping the ceiling below (reducing rooms on the floor beneath) or redesigning as a mansard.
Most Hammersmith and Fulham loft conversions trigger Party Wall Act notices — legal notices to all adjoining owners. Rear dormers can also prompt right-to-light considerations in dense terraced streets, particularly in Hammersmith Grove. We handle both processes.
Hammersmith and Fulham's victorian and Edwardian terraces — particularly two-storey bay-fronted terraces south of the stock lends itself to rear dormers (most common), hip-to-gable (semi-detached), and mansard (period terraces and conservation contexts). Velux-only conversions are possible where ridge height allows. We recommend the best structural and planning route at survey.
We cover all Hammersmith and Fulham postcodes — W6, W12, W14, SW6, SW10 — with surveyors based locally. Survey appointments within 3 working days. Our structural engineer is London-based and attends site when required.
Most Hammersmith and Fulham loft conversions require Party Wall notices to adjoining neighbours — typically for steel beam installation and/or raising the party wall. We can co-ordinate the notice process; our in-house engineer handles the structural element. The Act gives neighbours 14 days to respond.

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