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Planning application

97 Merrion Avenue, Stanmore, Harrow, HA7 4RY

Status unknown Harrow PL/0340/26 Certificate of Lawful Development Proposed

Works: Extension Loft or dormer Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Certificate of lawful development (proposed): alterations to roof to form end gable and rear dormer; two rooflights in front roof slope; front porch

As published by the council, reference PL/0340/26

Application record

Reference
PL/0340/26
Type
Certificate of Lawful Development Proposed
Received
6 Feb 2026
Ward
Canons
Postcode
HA7 4RY

Site history

Applications at this address on the Harrow register

This site has had 2 applications since 2026.

  • PL/0334/26 Status unknown

    97 Merrion Avenue, Stanmore, Harrow, HA7 4RY

    Single storey rear extension: 6.00 metres deep, 3.90 metres maximum height and 2.50 metres high to the eaves

    Submitted 6 Feb 2026 Prior approval

Timeline

Dates from the published record

  1. 6 Feb 2026

    Received by Harrow

  2. 12 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 3 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

Checking the current position

The published feed does not show a live status for this application; the register on Harrow's own portal holds the authoritative version.

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

  • 97 Merrion Avenue, Stanmore, Harrow, HA7 4RY

    PL/0334/26 Submitted 6 Feb 2026 50 yards away

    Decision due ~3 Apr

    Single storey rear extension: 6.00 metres deep, 3.90 metres maximum height and 2.50 metres high to the eaves

    Status unknown Prior approval Extension
    Small domestic

  • 98A Merrion Avenue, Stanmore, Harrow, HA7 4RU

    PL/2166/24 Submitted 6 Aug 2024 50 yards away

    Single storey front extension incorporation front porch, Two storey side extension, Single storey rear extension, Alterations to roof to raise ridge height, Rooflights in both side and rear roof slopes, External alterations (Demolition of side and rear extensions)

    Refused Householder Extension Loft or dormer +2
    Small domestic

  • 38 Craigweil Drive, Stanmore, Harrow, HA7 4TU

    PL/2414/24 Submitted 2 Sep 2024 150 yards away

    Certificate of Lawful Development (Proposed): Alterations to roof to form gable end, rear dormer, 3 No. rooflights to front elevation, 1 No. window to east elevation

    Granted Lawful development Loft or dormer Windows or glazing

  • 17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA

    PL/1766/26 Submitted 29 Jun 2026 150 yards away

    Decision due ~24 Aug

    Vehicle access

    Status unknown Householder
    Domestic

  • 15 Charlbury Avenue, Stanmore, HA7 4TS

    P/818/03/DCP Submitted 15 Apr 2003 200 yards away

    Certificate of lawful proposed development: alterations to roof to form end gable and rear dormer & two velux fooflights in front roof slope.

    Granted Lawful development Loft or dormer

  • 15 Charlbury Avenue, Stanmore, HA7 4TS

    P/0579/10 Submitted 10 Mar 2010 200 yards away

    Certificate of lawful proposed development: single storey side extension

    Refused Lawful development Extension 6 docs
    Small domestic

In Harrow

  • PL/1761/26 Status unknown

    1 Middle Road, Harrow On The Hill, Harrow, HA2 0HW

    Certificate of lawful development (proposed): Replacement of ground floor front bay window

    Received 29 Jun, published by the council 12 Aug 2026 Lawful development
  • PL/1772/26 Status unknown

    114 Somervell Road, South Harrow, Harrow, HA2 8TT

    Certificate of Lawful Proposed Development: Demolition and replacement of first floor level and roof

    Received 29 Jun, published by the council 12 Aug 2026 Lawful development
  • PL/1735/26 Status unknown

    222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

    Certificate of lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

    Received 24 Jun, published by the council 12 Aug 2026 Lawful development
  • PL/1716/26 Status unknown

    59 Leamington Crescent, South Harrow, Harrow, HA2 9HH

    Certificate of Lawful Development (Proposed): Garden room with garden tools storage at rear (demolition of detached garage)

    Received 22 Jun, published by the council 12 Aug 2026 Lawful development
  • PL/1696/26 Status unknown

    31 Chandos Road, Harrow, HA1 4QX

    Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable

    Received 22 Jun, published by the council 12 Aug 2026 Lawful development