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Planning application

39 Cassiobury Drive Watford WD17 3AA

Decided Watford 21/01085/FULH Full householder

Works: Extension Small domestic

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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Erection of single storey rear extension

As published by the council, reference 21/01085/FULH

Application record

Reference
21/01085/FULH
Type
Full householder
Status
Approved
Decision
Conditional Planning Permission
Received
16 Jul 2021
Validated
16 Jul 2021
Decided
3 Sep 2021
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3AA

Site history

Applications at this address on the Watford register

This site has had 3 applications since 2019.

  • 26/00153/FULH Decided

    39 Cassiobury Drive Watford WD17 3AA

    Erection of two storey front extension

    Decided 23 Apr 2026 Householder
  • 19/01419/FULH Decided

    39 Cassiobury Drive Watford WD17 3AA

    Erection of a single storey front extension

    Decided 31 Jan 2020 Householder

Timeline

Dates from the published record

  1. 16 Jul 2021

    Received by Watford

  2. 3 Sep 2021

    Decision issued: Conditional Planning Permission

  3. 8 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a design practice registered in London

6 applications on PlanIndex · across 4 councils

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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.

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After the decision

Watford has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 500 metres

  • 39 Cassiobury Drive Watford WD17 3AA

    19/01419/FULH Submitted 9 Dec 2019 2m away

    Erection of a single storey front extension

    Decided Householder Extension 5 docs
    Small domestic

  • 39 Cassiobury Drive Watford WD17 3AA

    26/00153/FULH Submitted 24 Feb 2026 2m away

    Erection of two storey front extension

    Decided Householder Extension 8 docs
    Domestic

  • 45 Cassiobury Drive Watford Hertfordshire WD17 3AA

    22/01313/FUL Submitted 11 Nov 2022 47m away

    Demolition of existing 2 storey house and reconstruction of new 2 storey house

    Decided Full applications Demolition 18 docs

  • 45 Cassiobury Drive Watford WD17 3AA

    24/00547/FULH Submitted 10 Jun 2024 49m away

    Erection of new garden outbuilding

    Decided Householder 12 docs
    Small domestic

  • 44 Cassiobury Drive Watford WD17 3AB

    23/00777/FULH Submitted 5 Sep 2023 70m away

    Erection of single storey rear extension to replace conservatory

    Decided Householder Extension 16 docs
    Small domestic

  • 44 Cassiobury Drive Watford WD17 3AB

    18/01358/HPD Submitted 24 Oct 2018 70m 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 3.0m

    Granted Prior approval Extension 12 docs
    Small domestic

In Watford

  • 26/00582/FULH Decided

    23 Westlea Avenue Watford WD25 9DH

    Erection of single story side extension and front porch extension

    28 Jul 2026 Householder
  • 26/00507/FULH Decided

    96 Sheepcot Lane Watford WD25 0EB

    Erection of single storey rear extension and double storey side and rear extension and fenestration alterations

    2 Jul 2026 Householder
  • 26/00506/FULH Decided

    20 Orchard Drive Watford WD17 3DY

    Erection of part two storey rear extension and hip to gable loft conversion including rear domer extension and x 3 front rooflights

    1 Jul 2026 Householder
  • 26/00443/FULH Refused

    71 Princes Avenue Watford WD18 7RR

    Erection of single storey side and rear extension

    11 Jun 2026 Householder
  • 26/00688/FULH Awaiting decision

    54 Kingsfield Road Watford Hertfordshire WD19 4TR

    Erection of ground floor single storey rear and side return extension, hip to gable loft conversion including rear dormer

    27 Aug 2026 Householder