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Planning application

Oak House London Road Sevenoaks Kent TN13 1AF

Granted Sevenoaks 25/03544/LDCPR Lawful Development Certificate Proposed

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Full removal of combustible components within all three external wall types, including PIR/PUR rigid foam insulation, timber cladding, and EPS insulation associated with the render system. Replacement with a compliant system using materials achieving European Classification A2-s1,d0 (limited combustibility) or Class A1 (non-combustible). Installation of cavity barriers and fire-stopping measures at all compartment floors and walls, around windows, doors, and service penetrations to restore compartmentation. Retention of suitable components such as terracotta tiles and aluminium support structures. Reinstatement of external finishes on a like-for-like basis, replicating the existing appearance, colour, and texture.

As published by the council, reference 25/03544/LDCPR

Application record

Reference
25/03544/LDCPR
Type
Lawful Development Certificate Proposed
Status
Granted
Decision
Granted
Received
19 Dec 2025
Validated
19 Jan 2026
Decided
12 Mar 2026
Ward
Sevenoaks Town & St Johns
Parish
Sevenoaks
Decision by
Delegated Decision
Postcode
TN13 1AF

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Sevenoaks

  2. 19 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 12 Mar 2026

    Decision issued: Granted

  4. 8 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Sevenoaks granted permission on 12 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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