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Planning application

63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

Status unknown Harrow PL/2709/25 Householder

Works: Extension Loft or dormer 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

Single and two storey side to rear extension; alterations to roof to form end gable and rear dormer; external alterations

As published by the council, reference PL/2709/25

Application record

Reference
PL/2709/25
Type
Householder
Received
20 Oct 2025
Ward
Harrow on the Hill
Postcode
HA1 3RF

Site history

Applications at this address on the Harrow register

This site has had 4 applications since 2025.

  • PL/1061/26 Status unknown

    63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    Certificate of Lawful Existing Development: Use of the dwelling as a HMO (C4) for 6 people

    Submitted 20 Apr 2026 Lawful development
  • PL/3158/25 Status unknown

    63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    Single and two storey side to rear extension; rear dormer; external alterations

    Submitted 5 Dec 2025 Householder
  • PL/2522/25 Status unknown

    63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    Single and two storey side to rear extension; single storey rear extension; one rooflight in side roofslope (Demolition of attached garage)

    Submitted 29 Sep 2025 Householder

Timeline

Dates from the published record

  1. 20 Oct 2025

    Received by Harrow

  2. 12 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 15 December 2025, 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    PL/2522/25 Submitted 29 Sep 2025 0m away

    Decision due ~24 Nov

    Single and two storey side to rear extension; single storey rear extension; one rooflight in side roofslope (Demolition of attached garage)

    Status unknown Householder Extension Loft or dormer +1
    Small domestic

  • 63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    PL/1061/26 Submitted 20 Apr 2026 0m away

    Decision due ~15 Jun

    Certificate of Lawful Existing Development: Use of the dwelling as a HMO (C4) for 6 people

    Status unknown Lawful development
    Domestic

  • 63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF

    PL/3158/25 Submitted 5 Dec 2025 0m away

    Decision due ~30 Jan

    Single and two storey side to rear extension; rear dormer; external alterations

    Status unknown Householder Extension Loft or dormer
    Domestic

  • 88 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ

    PL/1196/26 Submitted 30 Apr 2026 43m away

    Decision due ~25 Jun

    Certificate of lawful development (proposed): Single storey rear extension

    Status unknown Lawful development Extension
    Small domestic

  • 116 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ

    PL/2482/25 Submitted 24 Sep 2025 43m away

    Decision due ~19 Nov

    First floor side extension, External alterations

    Status unknown Householder Extension
    Domestic

  • 102 Wood End Road, Harrow, HA1 3PT

    P/1170/06/DFU Submitted 3 May 2006 163m away

    Single storey detached building with two dormers for use as builders workshop and store

    Granted Full applications Loft or dormer 14 docs
    Small domestic

In Harrow

  • PL/1791/26 Status unknown

    MELTON HOUSE Sudbury Hill, Sudbury, Harrow, HA1 3ND

    Single storey rear glazed extension; single storey side extension; installation of additional windows to front elevation at first floor level; external alterations (demolition of conservatory)

    1 Jul 2026 Householder
  • PL/1766/26 Status unknown

    17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA

    Vehicle access

    29 Jun 2026 Householder
  • PL/1764/26 Status unknown

    9A Elmwood Avenue, Kenton, Harrow, HA3 8AJ

    Two storey rear extension at lower ground floor and ground floor level

    29 Jun 2026 Householder
  • PL/1763/26 Status unknown

    160 Welbeck Road, West Harrow, Harrow, HA2 0RX

    Single storey rear extension

    29 Jun 2026 Householder
  • PL/1760/26 Status unknown

    23 Sancroft Road, Wealdstone, Harrow, HA3 7NX

    Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; rooflight in front roof slope; external alterations

    29 Jun 2026 Householder