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Planning application

111 Cassiobury Park Avenue Watford WD18 7LH

Granted Watford 26/00346/FULH Full householder

Works: Extension Loft or dormer 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

Erection of single storey rear extension with roof light

As published by the council, reference 26/00346/FULH

Application record

Reference
26/00346/FULH
Type
Full householder
Status
Approved
Decision
Granted As published: Conditional Planning Permission
Received
5 May 2026
Validated
5 May 2026
Decided
26 Jun 2026
Ward
Park
Decision by
Delegated Decision
Postcode
WD18 7LH

Site history

Applications at this address on the Watford register

This site has had 2 applications since 2020: 2 approved, 0 refused.

  • 20/00454/FULH Granted

    111 Cassiobury Park Avenue Watford WD18 7LH

    Demolition of existing conservatory and existing garage building and construction of a single storey rear and side extension.

    Decided 27 Jun 2020 Householder

Timeline

Dates from the published record

  1. 5 May 2026

    Received by Watford

  2. 26 Jun 2026

    Decision issued: Conditional Planning Permission

  3. 24 Jul 2026

    Added to PlanIndex

Documents

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

10 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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Open the documents

What this grant of permission means

Watford granted permission on 26 June 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 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 0.3 miles

  • 111 Cassiobury Park Avenue Watford WD18 7LH

    20/00454/FULH Submitted 5 May 2020 50 yards away

    Demolition of existing conservatory and existing garage building and construction of a single storey rear and side extension.

    Granted Householder Extension Demolition 7 docs
    Small domestic

  • 105 Cassiobury Park Avenue Watford WD18 7LH

    26/00548/FULH Submitted 17 Jul 2026 50 yards away

    80% historically approved · decision due ~11 Sep

    Conversion of the existing garage to habitable use. Erection of a single storey side extension with a new hipped roof to the single storey side of the dwelling covering both the converted garage and the extension.

    Awaiting decision Householder Extension 16 docs
    Small domestic

  • 119 Cassiobury Park Avenue Watford WD18 7LH

    18/01393/FULH Submitted 31 Oct 2018 50 yards away

    Erection of a single storey rear and side extension.

    Granted Householder Extension 8 docs
    Small domestic

  • 94 Cassiobury Park Avenue Watford WD18 7LF

    23/00984/HPD Submitted 27 Oct 2023 50 yards away

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.0m for which the maximum height would be 4.0m and for which the height of the eaves would be 2.40m

    Granted Prior approval Extension 6 docs
    Small domestic

  • 114 Cassiobury Park Avenue Watford WD18 7LF

    26/00318/FULH Submitted 23 Apr 2026 100 yards away

    Erection of front porch and single storey side to rear extension, part first floor rear extension (prior approval not required for ground floor extension which is under construction)

    Granted Householder Extension 11 docs
    Small domestic

  • 114 Cassiobury Park Avenue Watford WD18 7LF

    26/00278/FULH Submitted 1 Apr 2026 100 yards away

    Erection of front porch and single storey side to rear extension

    Granted Householder Extension 12 docs
    Small domestic

In Watford

  • 26/00712/FULH Awaiting decision

    32 Gade Avenue Watford Hertfordshire WD18 7LG

    Erection of a single storey rear extension and internal alterations.

    Received 8 Sep, published by the council 14 Sep 2026 Householder
  • 26/00491/FULH Granted

    88 High Road Watford WD25 7LJ

    Retrospective planning application for timber framed cantilevered garden barbecue canopy with roof tiles to match existing

    Received 29 Jun, published by the council 24 Jul 2026 Householder
  • 26/00559/FULH Granted

    157 Cassiobury Drive Watford WD17 3AL

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear crown-roof dormer; erection of a front dormer; installation of 4 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    Received 21 Jul, published by the council 26 Jul 2026 Householder
  • 26/00550/FULH Granted

    39 The Ridgeway Watford WD17 4TH

    Proposed roof alteration and conversion of loft into habitable room with roof lights.

    Received 17 Jul, published by the council 26 Jul 2026 Householder
  • 26/00601/FULH Granted

    28 Oakdene Road Watford WD24 6RW

    Erection of first floor rear extension

    Received 3 Aug, published by the council 9 Aug 2026 Householder