My Street Architectmystreetarchitect.co.uk
Practice record

121 Collective

Local Specialist
4
Approved applications
3
Councils active in
2025-03-20
First recorded approval
2026-08-31
Latest recorded approval

Local Specialist · every figure on this page is a count of real approved planning applications, drawn from public planning records.

Approvals by council

CouncilApprovals
Lambeth Council2
Royal Borough of Kingston upon Thames Council1
Richmond upon Thames Council1

Recent approvals

DateCouncilTypeAddressProposal
2026-08-31Lambeth CouncilExtension49 Lansdowne Gardens London Lambeth SW8 2ELErection of a single-storey side extension to replace the existing garage, together with associated external alterations and internal alterations to a Grade II listed dwelling. Including: replacement of uPVC windows with timber sash windows; installation of conservation rooflights; repair and upgrade of flat roofs including replacement of asphalt with lead and parapet upgrades; replacement of uPVC gutters and downpipes with cast iron; repointing in lime mortar; internal alterations including minor reconfiguration of layout; addition of an a/c unit and other associated external alterations. (Planning Permission and Listed Building Consent ref : 26/01395/LB applications received).
2026-08-31Lambeth CouncilExtension49 Lansdowne Gardens London Lambeth SW8 2ELErection of a single-storey side extension to replace the existing garage, together with associated external alterations and internal alterations to a Grade II listed dwelling. Including: replacement of uPVC windows with timber sash windows; installation of conservation rooflights; repair and upgrade of flat roofs including replacement of asphalt with lead and parapet upgrades; replacement of uPVC gutters and downpipes with cast iron; repointing in lime mortar; internal alterations including minor reconfiguration of layout; addition of an a/c unit and other associated external alterations. (Please note: The reference number for this Listed Building Consent application is 26/01395/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/01004/FUL).
2025-04-17Richmond upon Thames CouncilExtension29 Lime Grove Twickenham TW1 1ELSingle-storey rear extension to a bungalow, extending 3 meters, materials used will match the existing property.
2025-03-20Royal Borough of Kingston upon Thames CouncilExtension38 Grove Crescent Kingston Upon Thames KT1 2DGErection of first-floor side extension. Roof extension with rear dormer and installation of 1no. front and 1no side roof light. Partial conversion of garage into habitable room. Internal alterations and changes to fenestrations. Demolition of an existing

Visit website →

Search reviews for 121 Collective →

Is this your practice?

Claim this profile - free. Correct your details, add or update your website and logo, and hear when your profile changes. Use your practice email (not gmail/outlook) so we can verify it's really you.

Before you build
Know what you can actually get approved at your address.
A feasibility study pulls the real planning decisions on and around your street: what was approved, what was refused, and why, then the most likely route to a yes.
Get a feasibility study → AI report £49 for a limited time (normally £149) · free for verified architects