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Planning application

16 Grosvenor Road Northwood HA6 3HJ

Awaiting decision Three Rivers 26/1260/FUL Full applications

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Demolition of existing conservatory; construction of single storey rear extension; construction of front entry porch; construction of front dormer window; alteration to external materials; alterations to the fenestration

As published by the council, reference 26/1260/FUL

Application record

Reference
26/1260/FUL
Category
Full applications
Status
Pending Consideration
Received
5 Aug 2026
Validated
6 Aug 2026
Postcode
HA6 3HJ

Site history

Applications at this address on the Three Rivers register

This site has had 3 applications since 2023: 1 approved, 0 refused.

  • 23/1571/DIS Decided

    16 Grosvenor Road Northwood HA6 3HJ

    Discharge of Condition 3 (Materials) pursuant to planning permission 23/1216/FUL

    Decided 4 Oct 2023 Conditions
  • 23/1216/FUL Granted

    16 Grosvenor Road Northwood HA6 3HJ

    Demolition of existing conservatory and construction of single storey rear extension, front porch and render, replacement of rooftiles, garage door and windows to the front, alterations to front window and insertion of front dormer window.

    Decided 13 Sep 2023 Full applications

Timeline

Dates from the published record

  1. 5 Aug 2026

    Received by Three Rivers

  2. 6 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 1 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Three Rivers took a median of 56 days over the applications it decided in the last year.

What happens while it is decided

This application is with Three Rivers for determination, against a statutory target of eight weeks. Over the last year Three Rivers decided full applications in a median of 62 days. More in our guide to how long planning decisions take.

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

  • 10 Grosvenor Road Northwood HA6 3HJ

    24/0520/FUL Submitted 29 Mar 2024 8m away

    Construction of two storey front extension, first floor side and rear extension; loft conversion including roof extension with rear dormer and rooflight, provision of render; internal alterations and alterations to fenestration.

    Withdrawn Full applications Extension Loft or dormer +1 16 docs

  • 10 Grosvenor Road Northwood Hertfordshire HA6 3HJ

    22/0720/FUL Submitted 14 Apr 2022 12m away

    Two storey front, side and rear extensions and loft conversion including roof extensions and insertion of roof lights

    Refused Full applications Extension Loft or dormer 17 docs

  • 7 Grosvenor Road Northwood Hertfordshire HA6 3HH

    22/1067/FUL Submitted 1 Jun 2022 56m away

    Part single and part two storey rear extension, loft conversion including rear dormers, front and side rooflights

    Granted Full applications Extension Loft or dormer 8 docs

  • 16 Grosvenor Road Northwood HA6 3HJ

    23/1216/FUL Submitted 19 Jul 2023 57m away

    Demolition of existing conservatory and construction of single storey rear extension, front porch and render, replacement of rooftiles, garage door and windows to the front, alterations to front window and insertion of front dormer window.

    Granted Full applications Extension Loft or dormer +2 7 docs
    Small domestic

  • 16 Grosvenor Road Northwood HA6 3HJ

    23/1571/DIS Submitted 15 Sep 2023 57m away

    Discharge of Condition 3 (Materials) pursuant to planning permission 23/1216/FUL

    Decided Conditions 3 docs

  • 11 Grosvenor Road Northwood Hertfordshire HA6 3HH

    22/1907/FUL Submitted 12 Oct 2022 58m away

    Demolition of existing detached dwelling and garage and erection of two storey detached dwelling with accommodation in the roof space including front, side and rear rooflights.

    Granted Full applications New dwelling Loft or dormer +1 37 docs
    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