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Planning application

138 Dormers Wells Lane Southall UB1 3JB

Granted Old Oak and Park Royal Development Corporation 260385CPL Certificate of Lawfulness - Proposed

Works: Demolition Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey detached garden outbuilding used ancillary to main house (following demolition of existing shed) (Lawful Development Certificate for a Proposed Development)

As published by the council, reference 260385CPL

Application record

Reference
260385CPL
Type
Certificate of Lawfulness - Proposed
Status
Permitted Development
Decision
Granted As published: Permitted Development
Received
2 Feb 2026
Validated
2 Feb 2026
Decided
19 Mar 2026
Ward
Dormers Wells
Decision by
Delegated Decision
Postcode
UB1 3JB

Site history

Applications at this address on the Old Oak and Park Royal Development Corporation register

This site has had 5 applications since 2025: 4 approved, 1 refused.

  • 262047FUL Granted

    138 Dormers Wells Lane Southall UB1 3JB

    Conversion of a single dwellinghouse into two self-contained dwellings; first floor rear extension; and provision of associated amenity space, refuse and cycle storage

    Decided 9 Jul 2026 Full applications
  • 261158FUL Refused

    138 Dormers Wells Lane Southall UB1 3JB

    Conversion of a single dwellinghouse into two self-contained dwellings; first floor rear extension; and provision of associated amenity space, refuse and cycle storage

    Decided 13 May 2026 Full applications
  • 254762CPL Granted

    138 Dormers Wells Lane Southall UB1 3JB

    Single storey porch extension; alteration of roof from hip to gable end; rear roof extension (Lawful Development Certificate for a Proposed Development)

    Decided 15 Jan 2026 Lawful development
  • 254749PALHE Granted

    138 Dormers Wells Lane Southall UB1 3JB

    Single storey rear extension (max 6m deep and max 3m high) following the demolition of the existing rear extension (42 Days Prior Approval Notification Process)

    Decided 23 Jan 2026 Prior approval

Timeline

Dates from the published record

  1. 2 Feb 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 19 Mar 2026

    Decision issued: Permitted Development

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

133 applications on PlanIndex · across 24 councils · 75% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

5 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 19 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.

Nearby applications

Within 0.3 miles

  • 138 Dormers Wells Lane Southall UB1 3JB

    261158FUL Submitted 17 Mar 2026 50 yards away

    Conversion of a single dwellinghouse into two self-contained dwellings; first floor rear extension; and provision of associated amenity space, refuse and cycle storage

    Refused Full applications Extension 11 docs
    Domestic
  • 138 Dormers Wells Lane Southall UB1 3JB

    260385CPL Submitted 2 Feb 2026 50 yards away

    Single storey detached garden outbuilding used ancillary to main house (following demolition of existing shed) (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Demolition 5 docs
    Small domestic
  • 138 Dormers Wells Lane Southall UB1 3JB

    254762CPL Submitted 19 Dec 2025 50 yards away

    Single storey porch extension; alteration of roof from hip to gable end; rear roof extension (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer 5 docs
    Small domestic
  • 138 Dormers Wells Lane Southall UB1 3JB

    254749PALHE Submitted 18 Dec 2025 50 yards away

    Single storey rear extension (max 6m deep and max 3m high) following the demolition of the existing rear extension (42 Days Prior Approval Notification Process)

    Granted Prior approval Extension Demolition 6 docs
    Small domestic
  • 138 Dormers Wells Lane Southall UB1 3JB

    254762CPL Submitted 19 Dec 2025 50 yards away

    Single storey porch extension; alteration of roof from hip to gable end; rear roof extension (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer 5 docs
    Small domestic
  • 138 Dormers Wells Lane Southall UB1 3JB

    261158FUL Submitted 17 Mar 2026 50 yards away

    Conversion of a single dwellinghouse into two self-contained dwellings; first floor rear extension; and provision of associated amenity space, refuse and cycle storage

    Refused Full applications Extension 11 docs
    Domestic

In Old Oak and Park Royal Development Corporation

  • 263142CPL Granted

    42 Gloucester Road Acton W3 8PD

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Received 18 Aug, published by the council 12 Oct 2026 Lawful development
  • 263690CPL Awaiting decision

    133 Trinity Road Southall UB1 1ES

    Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Received 6 Oct, published by the council 12 Oct 2026 Lawful development
  • 262683CPE Granted

    1 Speldhurst Road Chiswick W4 1BX

    Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)

    Received 7 Jul, published by the council 3 Aug 2026 Lawful development
  • 254066CPE Refused

    37 Robin Hood Way Greenford UB6 7QN

    Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)

    Received 24 Oct, published by the council 3 Aug 2026 Lawful development
  • 262883CPL Granted

    90 Church Road Hanwell W7 3BE

    Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)

    Received 24 Jul, published by the council 10 Sep 2026 Lawful development