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Planning application

33 St Marys Avenue Northwood HA6 3AY

Granted Three Rivers 21/0486/FUL Full Application

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Two storey rear extension

As published by the council, reference 21/0486/FUL

Application record

Reference
21/0486/FUL
Type
Full Application
Status
Decided
Decision
approved
Received
26 Feb 2021
Validated
8 Mar 2021
Decided
28 Apr 2021
Ward
Moor Park And Eastbury
Parish
Batchworth Community Council
Decision by
Delegated Decision
Postcode
HA6 3AY

Site history

Applications at this address on the Three Rivers register

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

  • 20/2153/PDE Granted

    33 St Marys Avenue Northwood HA6 3AY

    Prior Approval: Single storey rear extension (depth 8 metres, maximum height 3.90metres, maximum eaves height 2.80 metres)

    Decided 20 Nov 2020 Outline

Timeline

Dates from the published record

  1. 26 Feb 2021

    Received by Three Rivers

  2. 8 Mar 2021

    Validated

    Checked as complete and ready for consideration.

  3. 28 Apr 2021

    Decision issued: approved

  4. 4 Sep 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Three Rivers granted permission on 28 April 2021, 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 33 St Marys Avenue Northwood HA6 3AY

    20/2153/PDE Submitted 12 Oct 2020 1m away

    Prior Approval: Single storey rear extension (depth 8 metres, maximum height 3.90metres, maximum eaves height 2.80 metres)

    Granted Outline Extension 5 docs
    Small domestic

  • 35 St Marys Avenue Northwood HA6 3AY

    21/0992/FUL Submitted 19 Apr 2021 14m away

    Single storey rear extension, part single, part two storey side extension and alterations to garage roof

    Granted Full applications Extension 13 docs
    Small domestic

  • 53 St Marys Avenue Northwood HA6 3AY

    26/0935/FUL Submitted 8 Jun 2026 14m away

    90% historically approved · decision due ~4 Aug

    Construction of single storey rear extension with roof lantern, installation of window to side elevation

    Decided Full applications Extension Windows or glazing
    Small domestic

  • 31 St Marys Avenue Northwood HA6 3AY

    23/2027/FUL Submitted 29 Nov 2023 15m away

    Demolition of existing store and construction of single storey rear extension and pergola.

    Granted Full applications Extension Demolition 7 docs
    Small domestic

  • 25 St Marys Avenue Northwood Hertfordshire HA6 3AY

    22/0159/FUL Submitted 2 Feb 2022 51m away

    Two storey and single storey rear extensions, first floor side extension, alterations to roof of existing ground floor extension and loft conversion including roof alterations and extensions and insertion of rooflights and rear dormer, alterations to materials and fenestration detail.

    Granted Full applications Extension Loft or dormer +2 36 docs
    Small domestic

  • 63 Eastbury Road Northwood HA6 3AP

    24/0304/PDE Submitted 27 Feb 2024 111m away

    Prior Approval: Single storey rear extension (depth 6.50 metres, maximum height 3.55 metres, maximum eaves height 3.0 metres)

    Withdrawn Outline Extension 12 docs
    Small domestic

In Three Rivers

  • 26/1384/FUL Awaiting decision

    Swandrift Trout Rise Loudwater Rickmansworth Hertfordshire WD3 4JZ

    Demolition of existing conservatory and construction of part single, part two storey rear extension, single storey side extension, extension to double garage to create first floor above with front/rear dormer windows; loft conversion including front/rear dormer windows and side/rear rooflights; construction of basement, rear balcony, new window to side elevation, patio extension and landscaping alterations including ramp.

    31 Aug 2026 Full applications
  • 26/1380/FUL Awaiting decision

    Crossley Wylde Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 3JD

    Installation of rooflights

    28 Aug 2026 Full applications
  • 26/1372/FUL Awaiting decision

    108 Winton Drive Croxley Green Rickmansworth Hertfordshire WD3 3QT

    Demolition of existing conservatory and side extension; construction of a single storey front, side and rear extension with rooflights

    27 Aug 2026 Full applications
  • 26/1365/FUL Awaiting decision

    Morningside Bridle Lane Loudwater Rickmansworth Hertfordshire WD3 4JB

    Construction of a single storey rear extension; conversion of garage into habitable accommodation; alterations to the fenestration

    25 Aug 2026 Full applications
  • 26/1358/FUL Awaiting decision

    251 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LH

    Variation of Condition 3 (Materials) Pursuant to planning permission 25/1526/RSP to allow alterations to materials.

    24 Aug 2026 Full applications