Loft Conversion Drawings in Ruislip | From £1,225

No Article 4 Direction covers Hillingdon, which keeps the Ruislip permitted-development route open on unlisted houses. The Ruislip setting is 1930s semi-detached, Tudor fragments, which shapes what passes near Ruislip Lido. A HA4 property inside Harefield loses part of its permitted development and generally goes to Hillingdon Council in full. Whether a Ruislip plot sits inside the boundary changes the whole route.

Every HA4 job starts with checking Article 4 directions street by street. On a Ruislip house the measurements bite through the 1930s semi-detached: it sets the original rear wall, and the roofline around Ruislip Lido sets what ridge height will pass. The borough policy layer over every HA4 address is set out on Hillingdon planning. The Ruislip survey then carries into building regulations drawings in Ruislip if the project runs on to construction.

One to two weeks at London Borough of Hillingdon before a Ruislip case reaches an officer. No Ruislip design work starts until the measured survey is complete.

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.

Most Ruislip householder cases are decided under delegated powers, not committee. We format the Ruislip set exactly as Hillingdon Council wants to receive it.

Objections on a Ruislip case usually come from the immediate neighbours, not the wider HA4 area. The Ruislip survey records every opening, level change and structural wall.

Because Ruislip houses generally share walls, budget time for party wall notices alongside the HA4 application. Once consent is granted, house extension drawings follows for the HA4 property.

Ruislip is characterised by 1930s semi-detached, tudor cottages, concentrated across HA4 in the Ruislip area. The 1930s semi-detached is the constraint that shapes most Ruislip projects, long before policy enters the picture. Locally that resolves to this: the 1930s hipped roof here needs a hip-to-gable before a rear dormer works, which pushes the volume calculation toward the 50 m³ permitted-development ceiling. In HA4 that determines the depth we can draw. Height on a Ruislip proposal is measured against its neighbours, not against a policy number; the Ruislip Lido terraces set that datum.

Hillingdon sets no special basement rule, so a Ruislip lower-ground scheme stands or falls on the engineering and the neighbours. Survey once, use it for every HA4 submission that follows.

What the Ruislip drawing pack contains

This is the full HA4 deliverable at the quoted fee.

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

Local landmarks that shape a Ruislip application

• Grosvenor Vale — terraced rear elevations — the Grosvenor Vale party wall position is drawn first.
• Ealing Broadway — front-to-back level changes that drive the Ealing Broadway section drawings.
• Ruislip Lido — proposals in its setting are drawn with the Ruislip context elevation.
• Bishop Ramsey School — a Ruislip roof extension is judged against the datum it sets.
• Ruislip High School — the surrounding 1930s semi-detached takes its scale from it.
• Queensmead School — nearby 1930s semi-detached takes its scale from this frontage.

Getting to a Ruislip survey

Surveyors travel to HA4 addresses from the studio; the nearest stations are Ruislip, Northwood station, Ruislip Gardens, Ruislip Manor station. Appointments are booked in Ruislip on weekdays and Saturdays, and the measured survey of a standard 1930s semi-detached takes two to three hours.

Where Ruislip sits

Ruislip lies 13.8 miles (22.2 km) west-north-west of Charing Cross, on Ordnance Survey grid reference TQ0887, inside the Ruislip, Northwood and PinnerUxbridge and South Ruislip parliamentary constituency. We draw the Ruislip location and block plans from that reference, which is what Hillingdon Council validates against. Source.

Practical detail for a Ruislip submission: access is via Ruislip and Northwood station and Ruislip Gardens and Ruislip Manor station; addresses are written to RUISLIP; dialling code 01895. Site plans are drawn to the address as Hillingdon Council holds it.

Ruislip postcode coverage

Coverage runs across HA4 (Ruislip), which Ruislip holds on its own — and Hillingdon Council validates against the address, so the district line matters more than the street name.

Streets and stations in Ruislip

In Ruislip that is Grosvenor Vale and Ealing Broadway and the roads off them. most Ruislip sites are within walking distance of Ruislip or Northwood station or Ruislip Gardens.

Areas we cover around Ruislip

Coverage from Ruislip extends to Bedford Park (W4), Pitshanger (W5), Park Royal (NW10), Chiswick (W4), Brentford (TW8), Isleworth (TW7) and into Ealing.

What moves the number on a Ruislip job is the 1930s semi-detached itself — party walls, level changes, and whether Harefield 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.

That charge is London Borough of Hillingdon's, taken when the Ruislip application is lodged. London planning approval-rate dataset · Hillingdon planning · loft conversion drawings in London · loft conversion drawings in Bedford Park.

Every Ruislip drawing set is produced and signed off by a chartered member of the Chartered Institute of Architectural Technologists (MCIAT). We would rather spend on Hillingdon Council advice than lose a Ruislip decision and resubmit.

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.

Ask us about your HA4 property before you commit to a builder's sketch. This Ruislip page was reviewed in August 2026.