Free property check · England
Free Lambeth permitted development checker
Could your home project use permitted development? Start with your full address and tell us what you want to build.
You do not need to know the planning route before you start. The check uses available public records and your project details to provide guidance, not a council decision.
About the planning data
Checked against 20.6 million UK planning applications on file across 420 planning authorities. Approval rates from 2,343,419 decisions we classified across 181 councils in England.
What are you checking?
Whether your proposed work may qualify for permitted development, needs a prior approval process or requires a planning application. The property and the complete proposal matter, including earlier additions and conditions on previous permissions.
Read how prior approval works and how planning timescales differ by route.
A postcode locates an area; it cannot establish rights for a particular house. Use your full property address in the checker.
Find guidance for your project
- Rear extensions and larger home extensions
- Side and wraparound extensions
- Loft conversions and dormers
- Garden rooms and outbuildings
- Garage conversions
- Porches
- Two-storey extensions
- Basements
For development beyond a home improvement, read our new build and change of use guides. Those projects have different eligibility tests and need a project-specific assessment.
Local checks in Lambeth
Check the wording, map and effective date of any Article 4 direction, the property's planning conditions and whether designated land affects the relevant right. A restriction on one type of work does not automatically prohibit every alteration.
Use these resources for Lambeth. Confirm the authority for your address if you are close to a boundary or the area has changed council.
- Lambeth official website and planning information
- Search Lambeth planning applications and decision notices
- Lambeth planning authority boundary and source
- Find the planning authority for your postcode
We have not verified every local restriction for every address in Lambeth. Confirm property-specific details against the authority's current records before relying on permitted development.
Our Lambeth archive contains 12,830 classified home project decision records. Explore Lambeth decisions by project type. These records mix application routes: an approval rate is not a permitted development eligibility score. See the coverage and methodology.
Permitted development restrictions in Lambeth
Lambeth lists building-alteration directions for all or parts of areas including Hyde Farm, Leigham Court Estate and Stockwell Park separately from its change-of-use directions. Follow the individual direction and boundary, rather than assuming the conservation-area name means every property has identical restrictions.
- Lambeth Article 4 directions
- Lambeth conservation-area profiles and maps
- Lambeth common validation problems and local list
- Lambeth application validation process
Sources reviewed . Check the source maps, wording and effective dates against your property and proposed work.
Check alteration directions separately from changes of use
Lambeth publishes distinct directions for changes of use and for building alterations. For areas such as Hyde Farm, Leigham Court Estate and Stockwell Park, check the particular works and boundary covered. A general conservation-area name does not establish identical restrictions for every address. Read the council guidance.
What reviewed local decisions show
These examples use official planning records. Each identifies the decision date and links to the evidence reviewed. They are not Planning Approvals projects or a prediction for another property.
175 Lyham Road: a mansard allowed on its specific design
25/00454/FUL · APP/N5660/D/25/3364909 · Appeal allowed with conditions, 3 July 2025
The inspector granted permission for a mansard after the council's refusal. The property was not a heritage asset or in a conservation area. The decision considered the retained parapet, setbacks, roof proportions and varied street scene, and found the design acceptable in those circumstances.
What to check: Explain the roof form and its relationship to the building and street. This was planning permission granted on appeal, not confirmation that a mansard qualifies as permitted development.
Read the appeal decision (PDF)
Related guidance: Loft conversions and PD
Check the planning register for the issued notice, exact conditions and any later appeal or revised application. A committee resolution is not a substitute for those documents.
Certificate records to investigate
Selected archive records, not a representative sample or a prediction for your address. The descriptions below are archive excerpts and may be shortened; read the original decision and plans before relying on them.
- 23/03691/LDCP · Recorded refused (2024)
Certificate of Lawful Development (proposed) for the demolition of the existing ground floor rear extension and erection of a ground floor wrap-around extens...
Search the council register for 23/03691/LDCP - 23/04158/LDCP · Recorded approved (2024)
Application for a Certificate of Lawful Development (Proposed) with respect to the erection of an outbuilding in the rear of the garden to provide a pool hou...
Search the council register for 23/04158/LDCP
A certificate concerns the lawfulness of the scheme described. Another property's certificate does not establish your permitted development rights. Read the archive's coverage and limitations.
Do you need a permitted development certificate?
A proposed lawful development certificate gives formal confirmation that the development described is lawful. It is optional and is different from prior approval or a planning application. Read our lawful development certificate guide.
The free check does not grant permission or replace a certificate. Check official certificate guidance and the government's explanation of planning routes.