Loft Conversion Drawings in South Kensington | From £1,225

An Article 4 Direction applies across Kensington and Chelsea, so check it before assuming South Kensington permitted development survives. South Kensington is Victorian and Edwardian stucco terraces — a loft conversion drawings submission has to answer that context rather than a generic London template. Kensington and Chelsea has 38 conservation areas, and Kensington is the one that most often covers South Kensington stock. We establish it for the SW7 address before any drawing begins.

Knowing how Article 4 directions apply to your SW7 address is the first thing we establish. On South Kensington stock the constraint is physical before it is planning: the stucco terraces fixes the rear wall line and the V&A roofline caps the ridge. The borough policy layer over every SW7 address is set out on Kensington and Chelsea planning. The South Kensington survey then carries into architectural drawings in South Kensington if the project runs on to construction.

RBKC Planning will not register a South Kensington application until validation completes. The South Kensington survey comes first, because a proposal drawn on wrong existing plans fails validation later.

Statutory periods: 8 weeks from validation for a householder application, 13 weeks for a major scheme, 6 weeks for prior approval with a 21 days neighbour consultation, and 5 weeks for a full plans building control submission. A party structure notice requires one month notice and two months where excavation is involved.

Expect a site visit to the South Kensington property during the consultation period. We issue the SW7 drawings numbered and revision-controlled.

A South Kensington scheme that respects the 45-degree line rarely draws a sustained objection. Drainage runs and manhole positions on the SW7 plot are picked up on the day.

Most South Kensington terraces share a flank wall, so party wall notices apply. Once consent is granted, planning permission follows for the SW7 property.

South Kensington is characterised by stucco terraces, mansion blocks, listed buildings, concentrated across SW7 in the South Kensington / Knightsbridge area. The stucco terraces is the constraint that shapes most South Kensington projects, long before policy enters the picture. The South Kensington version of that is simple: mansion-block roof space is normally in common ownership, so the lease and the freeholder's consent matter more than the planning route. On a South Kensington terrace it governs the rear opening width. Case officers at RBKC Planning look first at whether a SW7 scheme keeps the eaves and ridge line of the South Kensington row.

RBKC's basement policy (post-2015) limits to single-storey under 50% of garden area; double-storey basements effectively prohibited in residential streets. Basement schemes near Natural History Museum are scoped against it from day one. Because the South Kensington survey is drawn properly once, building regulations drawings for SW7 properties and house extension drawings build on it rather than starting again.

What the South Kensington drawing pack contains

Contents of the SW7 drawing pack:

• existing roof plan and section for the South Kensington property
• proposed dormer elevations
• volume calculation sheet
• staircase and head-height sections
• structural steel layout

Streets and landmarks we survey around South Kensington

• Fulham Road — gardens deep enough for the 8 weeks householder route on a Fulham Road plot.
• Sloane Square — terraced rear elevations — the Sloane Square party wall position is drawn first.
• Gloucester Road — front-to-back level changes that drive the Gloucester Road section drawings.
• Old Brompton Road — closet wings that change how a rear extension meets the Old Brompton Road back addition.
• Hyde Park — closet wings that change how a rear extension meets the Hyde Park back addition.
• Exhibition Road — side returns where the 45-degree amenity test decides how far a Exhibition Road extension goes.
• Onslow Square — front-to-back level changes that drive the Onslow Square section drawings.
• Thurloe Square — shared flank walls, so Thurloe Square party structure notices go out before work starts.
• V&A — massing on adjoining SW7 plots is tested against it.
• Natural History Museum — schemes visible from it get closer scrutiny in Kensington and Chelsea.
• Imperial College — it fixes the local datum a South Kensington roof extension is judged against.
• Brompton Hospital — proposals within its setting are drawn with the context elevation included.
• Royal Marsden Hospital — sightlines from here are part of the RBKC Planning character assessment.

Getting to a South Kensington survey

Surveyors travel to SW7 addresses from the studio; the nearest stations are Brompton Road, South Kensington. Appointments are booked in South Kensington on weekdays and Saturdays, and the measured survey of a standard stucco terraces takes two to three hours.

Where South Kensington sits

on Ordnance Survey grid reference TQ265785, inside the Kensington and Bayswater parliamentary constituency. Royal Borough of Kensington and Chelsea validates the SW7 address against exactly that position. Source.

Practical detail for a South Kensington submission: South Kensington is served by Brompton Road and South Kensington; LONDON is the post town on South Kensington addresses; dialling code 020. Site plans are drawn to the address as RBKC Planning holds it.

South Kensington postcode coverage

SW7 (South Kensington / Knightsbridge), shared with Knightsbridge — all within our South Kensington survey radius.

Streets and stations in South Kensington

Recent South Kensington jobs sit on Fulham Road, Sloane Square, Gloucester Road, Old Brompton Road, Hyde Park, Exhibition Road, Onslow Square and Thurloe Square. most South Kensington sites are within walking distance of Brompton Road or South Kensington.

Areas we cover around South Kensington

South Kensington aside, we also cover Paddington (W2), Victoria (SW1E, SW1W), Westbourne Green (W2, W9), Maida Vale (W9), Fulham (SW6), Hammersmith (W6) and the Westminster boundary.

The figure is agreed before the survey and does not move. What moves the number on a South Kensington job is the stucco terraces itself — party walls, level changes, and whether Kensington pulls a heritage statement into scope.

Statutory application fees are set by regulation, not by the council: £548 householder, £610 for a new dwelling, £274 for a lawful development certificate, £249 for prior approval.

The statutory element is payable to Royal Borough of Kensington and Chelsea, not to us. London planning approval-rate dataset · Kensington and Chelsea planning · the London loft conversion drawings pillar page · loft conversion drawings in Paddington.

An MCIAT chartered technologist owns the South Kensington project from survey to decision. Marginal SW7 sites get checked with RBKC Planning first; a refusal costs far more than the advice fee.

Drawings are produced by chartered members of the Chartered Institute of Architectural Technologists (MCIAT), the professional body for technical design and building-regulations competence. First-time approval across our London caseload is 98%. Statutory fees shown are those in force in England in 2026 under the Town and Country Planning (Fees for Applications) Regulations. Confirm your local authority at gov.uk and submission requirements on the Planning Portal. Studio: 71–75 Shelton Street, London WC2H 9JQ.

Book the South Kensington survey and the drawings follow within the agreed programme. This South Kensington page was reviewed in August 2026.