Walworth — covered by Southwark Council.
Planning permission drawings delivered by an MCIAT chartered team.
Building regulations drawings delivered by an MCIAT chartered team.
Loft conversion drawings delivered by an MCIAT chartered team.
House extension drawings delivered by an MCIAT chartered team.
Mansard roof extensions delivered by an MCIAT chartered team.
Garage conversion drawings delivered by an MCIAT chartered team.
Basement conversion drawings delivered by an MCIAT chartered team.
Structural calculations delivered by an MCIAT chartered team.
Measured building survey delivered by an MCIAT chartered team.
Party wall services delivered by an MCIAT chartered team.
Rear dormer drawings delivered by an MCIAT chartered team.


SE17 primarily covers Walworth in Southwark.
Decisions for SE17 are made by Southwark Council. Standard Permitted Development rules apply for most rear extensions and loft conversions on terraced and semi-detached houses, unless the property is in a conservation area, is listed, or sits under an Article 4 Direction. Article 4 in Southwark: Yes.
Building regs from £950. We do not charge hourly. Free site survey across all SE17 addresses.
From first call to planning decision: typically 12–14 weeks. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination. Southwark Council timelines align with the national norm.
Walworth in SE17 is characterised by the housing stock of Southwark — broadly georgian and regency in bermondsey and borough.

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Every SE17 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SE17 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| SE17 | Walworth | Post-war estates, new-build towers | A drawing package at an SE17 address in Walworth is determined by Southwark Council under its own Local Plan policies for Walworth. |
| SE17 | Elephant and Castle | Post-war estates, new-build towers | Elephant and Castle sits inside SE17; drawing package proposals here are determined by Southwark Council. |
| SE1 | Bermondsey / Borough / Waterloo | Georgian terraces, post-war flats, new-build | Adjoining district to SE17, also inside Southwark for drawing package purposes. |
| SE5 | Camberwell | Georgian villas, Victorian terraces | Adjoining district to SE17, also inside Southwark for drawing package purposes. |
| SE15 | Peckham / Nunhead | Victorian terraces, post-war estates | Adjoining district to SE17, also inside Southwark for drawing package purposes. |
| SE16 | Bermondsey / Rotherhithe | Warehouse conversions, Georgian terraces, new-build | Adjoining district to SE17, also inside Southwark for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few SE17 streets, and each one changes what a drawing package can achieve at that address.
How designation changes a SE17 (Walworth) drawing package: Southwark Council maintains 43 conservation areas, including Camberwell Grove, Bermondsey Street, Dulwich Village. Inside any of them a SE17 (Walworth) drawing package cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Camberwell Grove sets the tone for SE17 (Walworth) casework.
What Article 4 removes near SE17 (Walworth): Article 4 for HMOs borough-wide; additional Article 4 for office-to-residential in Bermondsey and Elephant & Castle. Before pricing a drawing package we check whether the SE17 address is inside the mapped area, because Southwark Council draws the SE17 (Walworth) boundary street by street rather than across the whole of SE17 (Walworth).
What SE17 (Walworth) is built from: Georgian and Regency in Bermondsey and Borough; Victorian terraces in Camberwell and Peckham; Dulwich Estate controlled housing; riverside new-build. Dulwich Estate private planning scheme affects much of SE21 and SE22; Southwark planning for rest of borough; strong heritage context. That mix decides the drawing package route in SE17 (Walworth) more than the postcode does, and it is what a Southwark Council case officer reads first. A householder application costs £548 paid to Southwark Council direct, with 8 weeks to a decision once validated.
Sources for this SE17 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.
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