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Planning application

298 Cassiobury Drive Watford WD17 3AP

Granted Watford 25/00471/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, side dormer, front porch, insertions of roof lights, installation of solar panels & with internal changes.

As published by the council, reference 25/00471/FULH

Application record

Reference
25/00471/FULH
Type
Full householder
Status
Approved
Decision
Granted As published: Conditional Planning Permission
Received
19 May 2025
Validated
21 May 2025
Decided
16 Jul 2025
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3AP

Site history

Applications at this address on the Watford register

This site has had 2 applications since 2024: 2 approved, 0 refused.

  • 24/00185/FULH Granted

    298 Cassiobury Drive Watford WD17 3AP

    Erection of Single storey rear extension, side dormer, front porch insertions of roof lights, installation of solar panels & with internal changes.

    Decided 24 Apr 2024 Householder

Timeline

Dates from the published record

  1. 19 May 2025

    Received by Watford

  2. 21 May 2025

    Validated

    Checked as complete and ready for consideration.

  3. 16 Jul 2025

    Decision issued: Conditional Planning Permission

  4. 26 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.

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

Open the documents

What this grant of permission means

Watford granted permission on 16 July 2025, 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

  • 298 Cassiobury Drive Watford WD17 3AP

    24/00185/FULH Submitted 4 Mar 2024 50 yards away

    Erection of Single storey rear extension, side dormer, front porch insertions of roof lights, installation of solar panels & with internal changes.

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic

  • 300 Cassiobury Drive Watford WD17 3AP

    24/00493/FULH Submitted 23 May 2024 50 yards away

    (Part Retrospective) Change of use of garage into a habitable space. A new flat roof replaces an old corrugated sheet roof. The new roof height does not exceed 2500mm. The garage door is being replaced with a brick infill and a window. To the rear, replacing the old door and window with a new one. To the side changing the roof type from a corrugated sheet roof to a flat roof.

    Granted Householder Extension Roofing +1 12 docs
    Domestic

  • 304 Cassiobury Drive Watford WD17 3AP

    25/00589/FULH Submitted 23 Jun 2025 50 yards away

    Retrospective application for existing x2 rear outbuildings and proposed side boundary treatment

    Granted Householder 14 docs
    Domestic

  • 304 Cassiobury Drive Watford WD17 3AP

    25/00080/FULH Submitted 29 Jan 2025 50 yards away

    Retrospective application for the construction of a front facing dormer

    Granted Householder Loft or dormer 11 docs
    Domestic

  • 304 Cassiobury Drive Watford WD17 3AP

    24/00460/HPD Submitted 14 May 2024 50 yards away

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.00m for which the maximum height would be 3.00m and for which the height of the eaves would be 2.85m

    Granted Prior approval Extension 9 docs
    Small domestic

  • 304 Cassiobury Drive Watford WD17 3AP

    24/00655/FULH Submitted 9 Jul 2024 50 yards away

    Erection of a part single and part double storey rear extension, garage conversion and alterations to existing porch.

    Granted Householder Extension 10 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