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Practice record

Cornerstone Architectural Design LTD

Local SpecialistEstablished
5
Approved applications
2
Councils active in
2023-06-22
First recorded approval
2026-01-08
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
Merton Council4
Wandsworth Council1

Recent approvals

DateCouncilTypeAddressProposal
2026-01-08Merton CouncilGarage Conversion27 Marryat Road Wimbledon SW19 5BEPROPOSED INSTALLATION OF 4 NEW METAL CLAD DORMER WINDOWS, NEW HANDMADE CLAY ROOFTILES TO REPLACE CONCRETE TILES, PROPOSED CONSERVATION STYLE ROOFLIGHTS, NEW ALUMINIUM DOUBLE GLAZED WINDOWS AND INTERNAL ALTERATIONS. CONVERSION OF EXISTING LOFT SPACE OVER G
2025-10-09Merton CouncilExtensionSt Georges House 5 St Georges Road Wimbledon SW19 4DRAPPLICATION FOR ALTERATIONS AND EXTENSIONS AT THE BASEMENT, GROUND, FIRST AND SECOND FLOORS ; INSTALLATION OF NEW PLANT AT ROOF LEVEL, PROVISION OF EXTERNAL AMENITY TERRACE AT SECOND FLOOR LEVEL; AND ASSOCIATED LANDSCAPING AND WORKS.
2025-09-25Merton CouncilExtension12 Courthope Road Wimbledon SW19 7RDINSTALLATION OF A CENTRAL LIFT CORE; REAR AND SIDE GROUND FLOOR EXTENSION; FIRST FLOOR REAR EXTENSION INCLUDING A BAY WINDOW; SECOND FLOOR REAR MANSARD STYLE ROOF EXTENSION WITH REAR FACING DORMER WINDOW
2025-04-24Merton CouncilExtension33 Denmark Road Wimbledon SW19 4PQERECTION OF A GROUND FLOOR REAR AND SIDE EXTENSION, AND REAR FIRST FLOOR EXTENSION.
2023-06-22Wandsworth CouncilLoft Conversion36 Lynn Road SW12 9LAAlterations including erection of mansard roof extension to main rear roof (with french doors and safety railing); erection of roof extension and formation of roof terrace with 1.7m glazed safety surround above two storey back addition. Installation of so

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