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Planning application

21 Grobars Avenue Horsell Woking Surrey GU21 4TP

Awaiting decision Woking PLAN/2026/0605 Householder

Works: Extension 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

Erection of a single storey side and rear extension following demolition of existing conservatories. Alterations to fenestration.

As published by the council, reference PLAN/2026/0605

Application record

Reference
PLAN/2026/0605
Type
Householder
Status
Pending Consideration
Received
7 Sep 2026
Validated
7 Sep 2026
Ward
Horsell
Parish
Not Available, if this is a comment please see the Documents Tab
Decision by
Not Available, if this is a comment please see the Documents Tab
Postcode
GU21 4TP

Timeline

Dates from the published record

  1. 7 Sep 2026

    Received by Woking

  2. 8 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 2 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

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

Who's behind it

Company information only, from the register and Companies House

Harriet Williamson Architecture Limited Agent, an architecture practice registered in Woking

Active · incorporated 2022 · Woking

45 applications on PlanIndex · across 7 councils · 94% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

8 documents on file for this application

  • NEIGH. NOTIF. - STANDARD - LIST Neighbour Notification List · 08 Sep 2026
  • WORKSHEET FOR PLANNING APPLICATION Correspondence · 08 Sep 2026
  • 2626 05 PROPOSED ELEVATIONS 21 GROBARS AVE Plans · 04 Sep 2026
  • APPLICATIONFORMREDACTED Application Form · 25 Aug 2026
  • 2626 01 SITE AND BLOCK PLAN 21 GROBARS AVE Plans · 25 Aug 2026
  • 2626 02 EXISTING PLANS 21 GROBARS AVE Plans · 25 Aug 2026
  • 2626 03 EXISTING ELEVATIONS 21 GROBARS AVE Plans · 25 Aug 2026
  • 2626 04 PROPOSED PLANS 21 GROBARS AVE Plans · 25 Aug 2026

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

Open the documents

What happens while it is decided

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

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

  • 25 Grobars Avenue Horsell Woking Surrey GU21 4TP

    PLAN/2026/0725 Submitted 22 Oct 2026 50 yards away

    86% historically approved · decision due ~17 Dec

    Retention of rear outbuilding used as a granny annex ancillary to main house and conversion of garage to store room. (Retrospective)

    Awaiting decision
  • 10 Morton Close Horsell Woking Surrey GU21 4TW

    PLAN/2026/0535 Submitted 27 Jul 2026 50 yards away

    84% historically approved · decision due ~21 Sep

    Erection of a single storey side and rear extension and addition of solar panels.

    Awaiting decision Householder Extension 14 docs
    Small domestic
  • 10 Morton Close Horsell Woking Surrey GU21 4TW

    PLAN/2025/0683 Submitted 28 Aug 2025 100 yards away

    Certificate of Proposed Lawful Development for hip-to-gable roof extension, side dormer and single storey side extension.

    Refused Lawful development Extension Loft or dormer 16 docs
    Small domestic
  • 10 Morton Close Horsell Woking Surrey GU21 4TW

    PLAN/2025/0684 Submitted 27 Aug 2025 100 yards away

    Prior notification for a single storey rear extension to extend a maximum depth of 7m, maximum height of 4m and a maximum height of eaves of 2.2m.

    Granted Prior approval Extension 13 docs
    Small domestic
  • 10 Morton Close Horsell Woking Surrey GU21 4TW

    PLAN/2025/0966 Submitted 22 Dec 2025 100 yards away

    Certificate of Proposed Lawful Development for hip-to gable roof extension, side dormer and single storey side extension.

    Granted Lawful development Extension Loft or dormer 14 docs
    Small domestic
  • 3 Morton Close Horsell Woking Surrey GU21 4TW

    PLAN/2025/0926 Submitted 8 Dec 2025 100 yards away

    Certificate of Proposed Lawful Development for external works including the insertion of a front rooflight, insertion of 3x sun tunnels, removal of chimney, alterations to roof, (new roof tiles to match existing) installation of replacement windows, alterations to external finishes and alterations to driveway and rear garden and drainage works.

    Granted Lawful development Loft or dormer Roofing +1 19 docs

In Woking

  • PLAN/2026/0619 Awaiting decision

    Far End Old Avenue West Byfleet Surrey KT14 6AE

    Erection of two storey side and rear extensions, alterations to front roof profile, erection of front dormer window, insertion of front rooflight and formation of a pitched roof over existing front dormer window. Part conversion of garage to habitable accommodation and alterations to fenestration.

    Received 4 Sep, published by the council 8 Sep 2026 Householder
  • PLAN/2026/0546 Awaiting decision

    10 Laurel Crescent Woodham Woking Surrey GU21 5SS

    Erection of part two storey, part single storey rear extension with raised terrace and planters, first floor side extension, front porch and extension to existing side dormer following demolition of existing conservatory.

    Received 4 Sep, published by the council 3 Sep 2026 Householder
  • PLAN/2026/0508 Awaiting decision

    12 Campbell Avenue Westfield Woking Surrey GU22 9NP

    Erection of an outbuilding on a concrete base in the rear garden, for use as a home office, following the removal of two sheds.

    3 Sep 2026 Householder
  • PLAN/2026/0594 Awaiting decision

    White Gates Egley Road Woking Surrey GU22 0NQ

    Erection of a single-storey front extension and a first-floor side extension.

    Received 2 Sep, published by the council 3 Sep 2026 Householder
  • PLAN/2026/0612 Awaiting decision

    9 Butts Cottages Copse Road St Johns Woking Surrey GU21 8SU

    Erection of a single storey rear extension with pitched roof and rooflight, insertion of a side door with external steps to the garden and associated fenestration changes.

    Received 31 Aug, published by the council 2 Sep 2026 Householder