Architectural drawings in CR7

Where in CR7 does a drawing package actually get determined?

Every CR7 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. CR7 fees below are the statutory England rates for 2026, not drawing package estimates.

What changes about a drawing package in each part of CR7?

Roof pitch, wall build-up and plot depth change every few CR7 streets, and each one changes what a drawing package can achieve at that address.

• Inside CR7: Thornton Heath (CR7) — Edwardian terraces defines Thornton Heath, where edwardian terraces set what a drawing package can do. Any Thornton Heath drawing package is validated by Croydon Council, with Thornton Heath station the usual Thornton Heath reference point on the site plan.
• Bordering CR7: Croydon (CR0) — post-war centre, Edwardian residential ring defines Croydon, where edwardian terraces, post-war flats set what a drawing package can do. Any Croydon drawing package is validated by Croydon Council, with Whitgift Centre the usual Croydon reference point on the site plan.
• Bordering CR7: Crystal Palace (SE19) — Victorian villas, hill character defines Crystal Palace, where victorian villas, edwardian terraces set what a drawing package can do. Any Crystal Palace drawing package is validated by Croydon Council, with Crystal Palace Park the usual Crystal Palace reference point on the site plan.
• Bordering CR7: Upper Norwood (SE19) — a drawing package in Upper Norwood starts from victorian villas, edwardian terraces, and Upper Norwood reads as Victorian villas. in SE19. Croydon Council assesses Upper Norwood architectural drawings against its own Upper Norwood character guidance, and the location plan we draw for Upper Norwood references Upper Norwood Triangle.
• Bordering CR7: South Norwood (SE25) — drawing package work in South Norwood means victorian terraces. South Norwood is Victorian terraces. Croydon Council decides the South Norwood application, and South Norwood Lake anchors the South Norwood location plan.
• Bordering CR7: Purley (CR8) — 1930s semi-detached, Edwardian villas defines Purley, where 1930s semi-detached, edwardian villas set what a drawing package can do. Any Purley drawing package is validated by Croydon Council, with Purley Way the usual Purley reference point on the site plan.
• Bordering CR7: Coulsdon (CR5) — 1930s semi-detached, Edwardian villas defines Coulsdon, where 1930s semi-detached set what a drawing package can do. Any Coulsdon drawing package is validated by Croydon Council, with Coulsdon South the usual Coulsdon reference point on the site plan.
• Bordering CR7: Addiscombe (CR0) — drawing package work in Addiscombe means edwardian terraces. Addiscombe is Edwardian terraces. Croydon Council decides the Addiscombe application, and Addiscombe Road anchors the Addiscombe location plan.
• Bordering CR7: Shirley (CR0) — 1930s semi-detached defines Shirley, where 1930s semi-detached set what a drawing package can do. Any Shirley drawing package is validated by Croydon Council, with Shirley Park the usual Shirley reference point on the site plan.
• Bordering CR7: Selhurst (SE25) — a drawing package in Selhurst starts from edwardian terraces, and Selhurst reads as Edwardian terraces. in SE25. Croydon Council assesses Selhurst architectural drawings against its own Selhurst character guidance, and the location plan we draw for Selhurst references Selhurst Park.

Does CR7 planning policy restrict a drawing package?

CR7 (Thornton Heath) conservation designations: there are 24 across Croydon Council, Shirley Park, South Norwood, Crystal Palace among them. Designation costs a CR7 (Thornton Heath) owner the permitted-development route: a drawing package then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Purley is the CR7 (Thornton Heath) designation that most often changes a drawing package design.

Article 4 and your CR7 (Thornton Heath) drawing package: Croydon Council has made no borough-wide direction, so permitted development for a drawing package in CR7 (Thornton Heath) generally survives outside CR7 (Thornton Heath) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a CR7 owner records that a drawing package was lawful.

What CR7 (Thornton Heath) is built from: Victorian villas in Upper Norwood and Crystal Palace; Edwardian terraces in Thornton Heath and Selhurst; 1930s semi-detached in Purley and Coulsdon; post-war in Croydon central. Large, mixed-density outer borough; permissive in outer areas; heritage controls in conservation pockets; major regeneration in central Croydon. That mix decides the drawing package route in CR7 (Thornton Heath) more than the postcode does, and it is what a Croydon Council case officer reads first. A householder application costs £548 paid to Croydon Council direct, with 8 weeks to a decision once validated.

Who decides a drawing package on the edge of CR7?

• Sutton — the Sutton boundary runs against Croydon, so a drawing package a street from CR7 (Thornton Heath) is decided by Sutton Council instead. Sutton runs 17 conservation areas across SM1 and its neighbours, which is why architectural drawings priced for CR7 (Thornton Heath) are re-checked against Sutton policy whenever the CR7 (Thornton Heath) address sits on that edge.
• Merton — the Merton boundary runs against Croydon, so a drawing package a street from CR7 (Thornton Heath) is decided by Merton Council instead. Merton runs 28 conservation areas across SW16 and its neighbours, which is why architectural drawings priced for CR7 (Thornton Heath) are re-checked against Merton policy whenever the CR7 (Thornton Heath) address sits on that edge.
• Lambeth — the Lambeth boundary runs against Croydon, so a drawing package a street from CR7 (Thornton Heath) is decided by Lambeth Council instead. Lambeth runs 64 conservation areas across SE1 and its neighbours, which is why architectural drawings priced for CR7 (Thornton Heath) are re-checked against Lambeth policy whenever the CR7 (Thornton Heath) address sits on that edge.
• Bromley — cross the CR7 (Thornton Heath) boundary and Bromley Council takes the drawing package instead, applying 48 conservation areas of its own around BR1. We re-price architectural drawings at the CR7 (Thornton Heath) edge because Bromley policy and Croydon policy rarely align on drawing package depth.

Sources for this CR7 drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.