Wraparound extension drawings in Southwark
A wraparound extension in Southwark, to a house or a ground-floor flat, joins a rear extension to the side return, and the borough granted 95% of the 558 householder applications it decided in the four quarters to 2026 Q2 (our analysis of MHCLG planning application statistics, table PS2). Our wraparound planning drawings start from £1,095, survey included.
Fixed fee from £895 drawings + £200 survey (£1,095 total) · all prices
Prefer to talk it through?
Check whether the street is in a conservation area first
Southwark has 56 live conservation-area entries on the national register (our analysis of the MHCLG Planning Data Platform conservation-area dataset), so the council's own conservation area map should be your first stop. If your home is on it, the conservation area extension guide explains what changes before any design work starts.
The half-width rule at the side
A wraparound has two parts with different limits. At the back, a single-storey extension to a house other than a detached one may reach 3 metres beyond the original rear wall under permitted development. At the side, an extension beyond a side elevation wall must not have a width greater than half the width of the original house (General Permitted Development Order, Schedule 2 Part 1). A wraparound to a house that exceeds either limit is drawn for a householder application. A flat has no such permitted development rights, so any extension to a ground-floor flat needs planning permission, made as a full application rather than a householder one, with its own fee.
Southwark has 56 live conservation-area entries on the national register (our analysis of the MHCLG Planning Data Platform conservation-area dataset), so the council's own conservation area map should be your first stop.
How Southwark has decided
Of Southwark's 558 householder decisions, 95% were grants, and 97% of the householder decisions that were not prior approvals were made within 8 weeks (our analysis of MHCLG planning application statistics, table PS2). Since 2021, 72 householder appeals have been decided for the borough and 31% were allowed (our analysis of the Planning Inspectorate Casework Database). Each appeal is decided on its own site and drawings, so treat that share as background.
Only 14 larger home extension prior approvals were determined in the eight quarters to 2026 Q2 (our analysis of table PS1), a thin record for that route in this borough.
Cost and next steps
For a house, the council's householder fee is £548 from 1 April 2026. Our fixed fee for wraparound extension planning drawings starts at £1,095, with the survey included. The wraparound extension drawings page lists the set, the wraparound extension cost guide sets the build cost against it, and the pricing page shows the other fixed fees.
Sources
Every figure on this page, where it comes from and a link to the original.
| Figure | Source | Link |
|---|---|---|
| £1,095 | DrawingsDirect starting fixed fee for wraparound extension planning drawings (survey included), from the published price list | drawingsdirect.co.uk |
| half the width | GPDO 2015 Sch 2 Pt 1 Class A.1(j)(iii): an extension beyond a side elevation wall must not have a width greater than half the width of the original house (source wording: "have a width greater than half the width of the original dwellinghouse") | www.legislation.gov.uk |
| 3 metres | GPDO 2015 Sch 2 Pt 1 Class A.1(f)(i): a single-storey rear extension may extend beyond the rear wall of the original house by up to 3 metres, house other than detached (source wording: 3 metres) | www.legislation.gov.uk |
| 558 | Our analysis of MHCLG planning application statistics, table PS2 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| 95% | Our analysis of MHCLG planning application statistics, table PS2 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| 97% | Our analysis of MHCLG planning application statistics, table PS2 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| 72 | Our analysis of Planning Inspectorate Casework Database (released 1 Oct 2026 (Casework Database 2609)) | www.gov.uk |
| 31% | Our analysis of Planning Inspectorate Casework Database (released 1 Oct 2026 (Casework Database 2609)) | www.gov.uk |
| 56 | Our analysis of MHCLG Planning Data Platform conservation-area and article-4-direction datasets (bulk snapshot retrieved 14 Aug 2026) | www.planning.data.gov.uk |
| 14 | Our analysis of MHCLG planning application statistics, table PS1 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| £548 | Fees for planning applications in England from 1 April 2026 (MHCLG, SI 2012/2920 as annually indexed), category 6(1): householder application for the enlargement, improvement or alteration of a single dwellinghouse (source wording: £548) | assets.publishing.service.gov.uk |
Questions people ask
Can a flat have a wraparound extension in Southwark?
How wide can a side extension be under permitted development?
How many householder applications does Southwark grant?
Photographs: Fernweh (CC BY-SA 2.0); Derek Harper (CC BY-SA 2.0).
