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Planning application

33 Cassiobury Park Avenue Watford WD18 7LA

Refused Watford 21/00053/HPD Householder Permitted Development

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.90m for which the maximum height would be 4.0m and for which the height of the eaves would be 3.60m.

As published by the council, reference 21/00053/HPD

Application record

Reference
21/00053/HPD
Type
Householder Permitted Development
Status
Refused
Decision
Refused As published: Refuse HPD Prior Approval
Received
15 Jan 2021
Validated
15 Jan 2021
Decided
26 Feb 2021
Ward
Park
Decision by
Delegated Decision
Postcode
WD18 7LA

Site history

Applications at this address on the Watford register

This site has had 3 applications since 2020: 1 approved, 2 refused.

  • 21/00291/FUL Granted

    33 Cassiobury Park Avenue Watford WD18 7LA

    Replacement of the existing conservatory with an insulated garden room/conservatory projecting 4.7m from the main house back wall with a solid roof, with 4 roof windows and glazed walls.

    Decided 9 Apr 2021 Full applications
  • 20/00638/LDC Refused

    33 Cassiobury Park Avenue Watford WD18 7LA

    Lawful Development Certificate for replacement of the existing conservatory (which projects 3m into the garden from the back wall of the house), with a larger conservatory that projects 4.6m into the garden, with floor to ceiling glass windows (instead of the current dwarf wall design), and a glass roof (instead of the polycarb. roof).

    Decided 24 Jul 2020 Lawful development

Timeline

Dates from the published record

  1. 15 Jan 2021

    Received by Watford

  2. 26 Feb 2021

    Decision issued: Refuse HPD Prior Approval

  3. 9 Aug 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 refusal means

Watford refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 33 Cassiobury Park Avenue Watford WD18 7LA

    20/00638/LDC Submitted 22 Jun 2020 50 yards away

    Lawful Development Certificate for replacement of the existing conservatory (which projects 3m into the garden from the back wall of the house), with a larger conservatory that projects 4.6m into the garden, with floor to ceiling glass windows (instead of the current dwarf wall design), and a glass roof (instead of the polycarb. roof).

    Refused Lawful development Extension Windows or glazing 10 docs

  • 33 Cassiobury Park Avenue Watford WD18 7LA

    21/00291/FUL Submitted 1 Mar 2021 50 yards away

    Replacement of the existing conservatory with an insulated garden room/conservatory projecting 4.7m from the main house back wall with a solid roof, with 4 roof windows and glazed walls.

    Granted Full applications Extension Windows or glazing 9 docs

  • 38 Cassiobury Park Avenue Watford WD18 7LB

    19/01273/FULH Submitted 4 Nov 2019 50 yards away

    Demolition of existing single storey rear conservatory and rear extension, construction of new single storey rear extension, with associated internal alterations, converted garage with window to front to replace garage door, new front door and new front boundary planter wall.

    Granted Householder Extension Demolition +1 21 docs
    Small domestic

  • 42 Cassiobury Park Avenue Watford WD18 7LB

    19/00515/FULH Submitted 9 May 2019 50 yards away

    Erection of double storey front extension, alterations to fenestration and window detailing to all elevations. Please refer design statement (19036 DS)

    Granted Householder Extension Windows or glazing 9 docs
    Domestic

  • 42 Cassiobury Park Avenue Watford WD18 7LB

    18/01021/FULH Submitted 13 Aug 2018 50 yards away

    Erection of two-storey front extension facing Shepherds Road, alterations to fenestration and window detailing to all elevations.

    Refused Householder Extension Windows or glazing 13 docs
    Domestic

  • Croquet Club House Cassiobury Park Watford

    23/01173/FUL Submitted 18 Dec 2023 100 yards away

    Proposed to install an automatic irrigation system for four croquet lawns with water supplied from a new borehole.

    Granted Full applications 44 docs

In Watford

  • 26/00781/HPD Awaiting decision

    50 Butterwick Watford Hertfordshire WD25 9SD

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 2.70m.

    Received 5 Oct, published by the council 7 Oct 2026 Prior approval
  • 26/00777/HPD Awaiting decision

    984 St Albans Road Watford WD25 9NP

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 3.0m

    Received 2 Oct, published by the council 7 Oct 2026 Prior approval
  • 26/00660/HPD Granted

    12 Kingswood Road Watford Hertfordshire WD25 0EE

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.50m for which the maximum height would be 4m and for which the height of the eaves would be 3m

    Received 20 Aug, published by the council 22 Aug 2026 Prior approval
  • 26/00617/AAPA Refused

    Hanover Court 85 - 87 King Georges Avenue Watford WD18 7QE

    Notification of prior approval for upward extension above existing block of flats to provide x3 new flats

    Received 10 Aug, published by the council 15 Aug 2026 Prior approval
  • 26/00769/HPD Awaiting decision

    18 Hazel Tree Road Watford Hertfordshire WD24 6RQ

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6m for which the maximum height would be 3.3m and for which the height of the eaves would be 3m

    Received 30 Sep, published by the council 7 Oct 2026 Prior approval