020 7864 7245 [email protected] WhatsApp
Loft Conversion Drawings · Shirley · Croydon

Loft Conversion Drawings in Shirley | From £1,225

Every Shirley application lands on a Croydon Council desk, assessed under the Croydon Local Plan rather than any national default.

What is loft conversion drawings in Shirley?

Loft Conversion Drawings in Shirley are measured Shirley plans, sections and elevations turning a roof space into habitable CR0 rooms. Croydon Council is the authority for every CR0 address, on the 1930s semi-detached they prove 2.2 m head height for Shirley and hold the 40 m³ or 50 m³ volume unless Croydon Council grants consent, and the Croydon Local Plan sets the policy test.

Loft Conversion Drawings in Shirley — the local dataset

Shirley postcode districts
CR0 — Croydon / Addiscombe / Shirley
Local planning authority
Croydon Council (London Borough of Croydon)
Dominant Shirley stock
1930s semi-detached
Statutory householder fee
£548, decided in 8 weeks
Landmarks near the CR0 sites we survey
Shirley Park
Article 4 Direction
None borough-wide in Croydon
Shirley character
1930s semi-detached
Conservation areas in Croydon
24, including Old Coulsdon Conservation Area
Adjoining borough
Lambeth — nearest peer area Wallington
First-time approval rate
98% across our London caseload
Shirley page reviewed
August 2026

Rear dormer loft conversion in London — loft conversions
Planning in Croydon

Do I need loft conversion drawings in Shirley?

No Article 4 Direction covers Croydon, which keeps the Shirley permitted-development route open on unlisted houses. Shirley reads as 1930s semi-detached, and that is the context a CR0 scheme is judged in. Old Coulsdon is the designation that most often reshapes a Shirley proposal; Croydon carries 24 of them. Every Shirley enquiry starts with that check.

The Shirley Article 4 position is established at survey, before design. The 1930s semi-detached in Shirley decides the depth before policy does. The borough policy layer over every CR0 address is set out on Croydon planning. The Shirley survey then carries into building regulations drawings in Shirley if the project runs on to construction.

Shirley 1930s semi-detached: hip-to-gable loft conversion under construction on a 1930s semi prepared for Croydon Council
Shirley 1930s semi-detached: hip-to-gable loft conversion under construction on a 1930s semi prepared for Croydon Council
From validation to decision

How long does Croydon Council take to decide?

Validation alone costs London Borough of Croydon one to two weeks even when the Shirley pack is complete, and that queue — not the determination — is where most CR0 delay starts. No Shirley 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.

We monitor the CR0 case and respond to officer queries during the period. Output for Shirley: dimensioned PDFs at the scales the authority specifies.

Neighbour comment is what shapes most Shirley decisions; policy rarely decides alone. Party wall positions on a Shirley terrace are located during the survey.

On Shirley stock the party wall stage is routine and worth timetabling. Once consent is granted, house extension drawings follows for the CR0 property.

What we measure

What Shirley's housing stock means for your plans

Shirley is characterised by 1930s semi-detached, concentrated across CR0 in the Croydon / Addiscombe / Shirley area. On Shirley streets the 1930s semi-detached sets the structural grammar for everything that follows. For Shirley owners this matters because 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. We resolve it before the Shirley design is fixed. Because the Shirley streetscape near Shirley Park is consistent, departures in ridge height read immediately in an officer report.

Lower-ground schemes in Shirley answer to neighbours and groundwater. Survey data from the Shirley property flows straight into architectural drawings for CR0 properties or planning permission without a second site visit.

What the Shirley drawing pack contains

No add-ons later — the Shirley scope is set out here.

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

Local landmarks that shape a Shirley application

  • Shirley Park — sightlines from here are part of the Croydon Council character assessment.
  • Shirley High School — nearby 1930s semi-detached takes its scale from this frontage.
  • Coloma Convent Girls' School — Croydon Council weighs CR0 sightlines to it in the character assessment.

Where Shirley sits

on Ordnance Survey grid reference TQ361658. Getting that wrong is the commonest reason a Shirley submission is returned. Source.

Practical detail for a Shirley submission: the Shirley post town is CROYDON; dialling code 020; listed buildings around Shirley include Grade II Listed building. Site plans are drawn to the address as Croydon Council holds it.

Shirley postcode coverage

Districts covered around Shirley: CR0 (Croydon / Addiscombe / Shirley), shared with Croydon, Addiscombe.

Streets and stations in Shirley

And Grade II Listed building is listed, which pulls neighbouring CR0 proposals into a setting assessment.

Areas we cover around Shirley

Neighbouring coverage runs to Wallington (SM6), Worcester Park (KT4), Belmont (SM2), Hackbridge (SM6), Wimbledon (SW19, SW20), Wimbledon Village (SW19); the Croydon policy is shared but the stock and the designations are not.

A printed loft conversion section drawing — rafters, ridge, the new dormer and a dimensioned head height — loft conversion drawings in Shirley
The loft section: head height over the stair, dormer geometry and ridge height, all to scale before anyone quotes.
Cost

How much do loft conversion drawings cost in Shirley?

What changes a Shirley fee is the property: 1930s semi-detached construction, shared walls on CR0, and whether heritage input is needed.

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 fee is collected by London Borough of Croydon when the CR0 application is lodged. London planning approval-rate dataset · Croydon planning · the London loft conversion drawings pillar page · loft conversion drawings in Wallington.

Our Shirley team

MCIAT chartered technologists working across Croydon

The person drawing your Shirley scheme holds MCIAT charter and carries the technical responsibility for it. We would rather spend on Croydon Council advice than lose a Shirley 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.

Send the Shirley address; we will come back with the route and the fee. This Shirley page was reviewed in August 2026.

Shirley questions

Loft Conversion Drawings in Shirley — common questions

Do CR0 houses need loft conversion drawings?

Depends on the CR0 property. Flats always need consent; unlisted Shirley houses outside Old Coulsdon often do not. No Article 4 Direction covers Croydon, which keeps the Shirley permitted-development route open on unlisted houses.

What does conservation status mean for Shirley owners?

For Shirley the answer is usually Old Coulsdon. Within its boundary permitted development shrinks and the Shirley Park streetscape carries weight.

Which homes in Shirley do you usually survey?

Anything in Shirley — though most of it is 1930s semi-detached in CR0.

Do you take work beyond CR0?

Yes, throughout Croydon. Shirley and Wallington are handled by the same team.

Structural calculations for a house extension — beam load and bending moment diagrams beside a steel section table — loft conversion drawings in Shirley
Calculations by our in-house structural engineer — beam sizes and load paths settled before your builder prices the job.
Other packages in Shirley

Related drawings for CR0 properties

Loft Conversion Drawings near Shirley

loft conversions · Croydon planning · the London loft conversion drawings pillar page

Loft Conversion Drawings in Shirley

Free Shirley survey, and we deal with Croydon Council for you.

Get my quote

Found this useful? Share it

Copies the headline and the link, ready to paste anywhere — helpful if you are planning an extension with a neighbour, builder or architect.