Loft Conversion Drawings in Sidcup | From £1,225

No Article 4 Direction covers Bexley, which keeps the Sidcup permitted-development route open on unlisted houses. The prevailing character of Sidcup — 1930s semi-detached, Edwardian villas — sets what Bexley Council will accept near Sidcup station and what it will resist. Old Bexley is the designation that most often reshapes a Sidcup proposal; Bexley carries 16 of them. We plot the Sidcup site against the designation before quoting.

How Article 4 directions apply to your Sidcup street is settled at survey stage, not after submission. On a Sidcup house the measurements bite through the 1930s semi-detached: it sets the original rear wall, and the roofline around Sidcup station sets what ridge height will pass. The borough policy layer over every DA14, DA15 address is set out on Bexley planning. The Sidcup survey then carries into building regulations drawings in Sidcup if the project runs on to construction.

One to two weeks at London Borough of Bexley before a Sidcup case reaches an officer. Everything begins by measuring the Sidcup property properly — openings, levels, structure — before a proposal exists.

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.

A Sidcup case only reaches committee if it draws significant objection. Every Sidcup submission leaves here as a PDF set at the scales Bexley Council requires.

The Sidcup consultation period is where a weak scheme is exposed. Levels between front and rear of a Sidcup house are recorded, not assumed.

Budget notice time on any Sidcup job touching a shared wall. Once consent is granted, house extension drawings follows for the DA14 property.

Sidcup is characterised by 1930s semi-detached, edwardian villas, concentrated across DA14, DA15 in the Sidcup area. On Sidcup streets the 1930s semi-detached sets the structural sequence — what can be opened up, where the load goes, how deep you can build. Translated to the 1930s semi-detached here: edwardian roofs run deeper front-to-back, so an L-shaped dormer over the back addition usually yields a second bedroom as well as the shower room. We resolve it before the Sidcup design is fixed. Case officers at Bexley Council look first at whether a DA14 scheme keeps the eaves and ridge line of the Sidcup row.

Digging under a Sidcup house is a structural question before a planning one. One Sidcup survey serves architectural drawings for DA14 properties and planning permission too; we do not re-measure a DA14 property for each submission.

What the Sidcup drawing pack contains

The Sidcup package covers every sheet London Borough of Bexley asks for.

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

Local landmarks that shape a Sidcup application

• Avery Hill — shared flank walls, so Avery Hill party structure notices go out before work starts.
• Sidcup station — proposals in its setting are drawn with the Sidcup context elevation.
• Kemnal Technology College — schemes in view of it attract closer officer scrutiny.
• Bird College — sightlines from here are part of the Bexley Council character assessment.
• Royal London Hospital — schemes visible from it get closer scrutiny in Bexley.
• Rose Bruford College — schemes in view of it attract closer officer scrutiny.

Getting to a Sidcup survey

Surveyors travel to DA14 addresses from the studio; the nearest stations are Sidcup, Charing Cross, Gravesend. Appointments are booked in Sidcup on weekdays and Saturdays, and the measured survey of a standard 1930s semi-detached takes two to three hours.

Where Sidcup sits

Sidcup lies 11.3 miles (18.2 km) south-east of Charing Cross, on Ordnance Survey grid reference TQ461718, inside the Old Bexley and Sidcup parliamentary constituency. Those coordinates matter in practice: a site location plan for Bexley Council must be drawn to a recognised scale over the correct grid square. Source.

Practical detail for a Sidcup submission: access is via Sidcup and Charing Cross and Gravesend; addresses are written to SIDCUP; dialling code 020. Site plans are drawn to the address as Bexley Council holds it.

Sidcup postcode coverage

Districts covered around Sidcup: DA14 (Sidcup), which Sidcup holds on its own; DA15 (Sidcup), which Sidcup holds on its own.

Streets and stations in Sidcup

In Sidcup that is Avery Hill and the roads off them. most Sidcup sites are within walking distance of Sidcup or Charing Cross or Gravesend.

Areas we cover around Sidcup

Coverage from Sidcup extends to Biggin Hill (TN16), Keston (BR2), Penge (SE20), Bexleyheath (DA6, DA7), Welling (DA16), Erith (DA8) and into Greenwich.

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

Statutory fees for DA14 addresses are payable to London Borough of Bexley on the day it is lodged. London planning approval-rate dataset · Bexley planning · loft conversion drawings in London · loft conversion drawings in Biggin Hill.

Chartered accountability applies to every DA14 drawing we issue. We would rather spend on Bexley Council advice than lose a Sidcup 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 Sidcup survey — nothing is committed until you have the fee. This Sidcup page was reviewed in August 2026.