Building Regulations Drawings in Pinner |

No Article 4 Direction covers Harrow, which keeps the Pinner permitted-development route open on unlisted houses. Being Tudor and 1930s village, Pinner rewards schemes that sit quietly beside Pinner High Street. Harrow carries 29 conservation areas; if the HA5 address falls in Pinner Village or Stanmore, expect the permitted-development route to close and a full Harrow Council application to be the faster answer. We establish it for the HA5 address before any drawing begins.

How Article 4 directions apply to your Pinner street is settled at survey stage, not after submission. What can be built on a Pinner plot is decided by the tudor fragments — the original rear wall position first, the Pinner High Street roofline second. The borough policy layer over every HA5 address is set out on Harrow planning. The Pinner survey then carries into loft conversion drawings in Pinner if the project runs on to construction.

Expect one to two weeks of London Borough of Harrow validation on a Pinner submission before the statutory period even begins. Step one at a HA5 address is a full measured survey of the existing building.

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.

After validation a Pinner application is allocated to an officer, who will visit the HA5 address. Scales, north point and drawing numbers all follow Harrow Council validation requirements.

A Pinner scheme that respects the 45-degree line rarely draws a sustained objection. We measure the HA5 property room by room, including ceiling heights and floor falls.

On Pinner stock the party wall stage is routine and worth timetabling. Once consent is granted, house extension drawings follows for the HA5 property.

Pinner is characterised by tudor fragments, edwardian villas, 1930s semi-detached, concentrated across HA5 in the Pinner / Eastcote area. HA5 construction is tudor fragments-led, and the survey establishes what it carries. The Pinner version of that is simple: edwardian houses here are usually early cavity or solid wall, which decides whether insulation goes in the cavity or on the internal face. On the tudor fragments in Pinner it sets the beam run. Harrow Council reads a Pinner elevation against its neighbours first.

Subterranean work in Pinner has no dedicated borough policy behind it; the HA5 water table and the party walls are the real constraints. Survey once, use it for every HA5 submission that follows.

What the Pinner drawing pack contains

What lands in your inbox after a Pinner survey:

• construction floor plans for the Pinner property
• sections at 1:50
• Part A structural notes
• Part L thermal build-ups
• Part B fire and escape strategy

Local landmarks that shape a Pinner application

• Rayners Lane — closet wings that change how a rear extension meets the Rayners Lane back addition.
• Pinner Green — front-to-back level changes that drive the Pinner Green section drawings.
• Pinner High Street — a Pinner roof extension is judged against the datum it sets.
• Mount Vernon Hospital — sightlines from here are part of the Harrow Council character assessment.
• Westminster School — proposals within its setting are drawn with the context elevation included.

Getting to a Pinner survey

Surveyors travel to HA5 addresses from the studio; the nearest stations are Hatch End, Pinner, List of stations in London fare zone 5, Baker Street. Appointments are booked in Pinner on weekdays and Saturdays, and the measured survey of a standard tudor fragments takes two to three hours.

Where Pinner sits

Pinner lies 12 miles (19 km) northwest of Charing Cross, on Ordnance Survey grid reference TQ115895, inside the Ruislip, Northwood and Pinner parliamentary constituency. Those coordinates matter in practice: a site location plan for Harrow Council must be drawn to a recognised scale over the correct grid square. Source.

Practical detail for a Pinner submission: Hatch End and Pinner and List of stations in London fare zone 5 and Baker Street cover the HA5 area; addresses are written to PINNER; dialling code 0208. Site plans are drawn to the address as Harrow Council holds it.

Pinner postcode coverage

Districts covered around Pinner: HA5 (Pinner / Eastcote), shared with Eastcote.

Streets and stations in Pinner

Typical Pinner work sits on Rayners Lane and Pinner Green. most Pinner sites are within walking distance of Hatch End or Pinner or List of stations in London fare zone 5.

Areas we cover around Pinner

Coverage from Pinner extends to Wembley (HA0, HA9), Kilburn (NW6), Queen's Park (NW6), Harlesden (NW10), Mapesbury (NW2), Kensal Green (NW10) and into Brent.

The fee follows the building. On Pinner stock that means party walls, levels, and the Pinner Village heritage question.

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 Harrow's, taken when the Pinner application is lodged. London planning approval-rate dataset · Harrow planning · building regulations drawings across London · building regulations drawings in Wembley.

A chartered technologist surveys the Pinner property and signs the drawings — the same person, start to finish. We would rather spend on Harrow Council advice than lose a Pinner 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.

Start with the free Pinner survey — nothing is committed until you have the fee. This Pinner page was reviewed in August 2026.