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Planning application

1 Cragg Avenue Radlett Hertfordshire WD7 8DW

Decided Hertsmere 26/0607/HSE Householder

Works: Extension Loft or dormer Windows or glazing 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

Construction of two storey rear extension, insertion of 1x rear rooflight and alterations to fenestration.

As published by the council, reference 26/0607/HSE

Application record

Reference
26/0607/HSE
Category
Householder
Status
Decided
Received
5 May 2026
Validated
5 May 2026
Decided
31 Jul 2026
Ward
Aldenham West
Parish
Aldenham Parish
Postcode
WD7 8DW

Timeline

Dates from the published record

  1. 5 May 2026

    Received by Hertsmere

  2. 24 Jul 2026

    Added to PlanIndex

  3. 31 Jul 2026

    Decision issued

  4. 9 Aug 2026

    Status changed to Decided

    Previously Awaiting decision.

Who's behind it

Company information only, from the register and Companies House

Augment Architecture Agent, an architecture practice registered in London

Dissolved · incorporated 2020 · London

4 applications on PlanIndex · across 2 councils

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

13 documents on file for this application

  • Delegated report Delegated Report · 03 Aug 2026
  • Decision notice Decision · 03 Aug 2026
  • Consultee comment submitted online Consultee Comment · 22 Jul 2026
  • Consultee comment submitted online Consultee Comment · 14 Jul 2026
  • Proposed site plan Drawing/Plans · 10 Jul 2026
  • Proposed plans and elevations Drawing/Plans · 06 Jul 2026
  • Consultee comment submitted online Consultee Comment · 03 Jun 2026
  • Consultee comment submitted online Consultee Comment · 03 Jun 2026
  • Applicationformredacted Application Form · 05 May 2026
  • Site photos Photo · 05 May 2026
  • Location plan Drawing/Plans · 05 May 2026
  • Form_1_cil_additional_information CIL · 05 May 2026
  • Existing plans and elevations Drawing/Plans · 05 May 2026

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

Open the documents

After the decision

Hertsmere 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 0.3 miles

  • 19 Cragg Avenue Radlett Hertfordshire WD7 8DW

    23/0049/HSE Submitted 11 Jan 2023 50 yards away

    Construction of single storey side and rear extension and front porch extension.

    Granted Householder Extension 12 docs
    Small domestic
  • 13 Cragg Avenue Radlett Hertfordshire WD7 8DW

    21/0784/CLP Submitted 12 Apr 2021 50 yards away

    Conversion of loft to habitable room with hip to gable roof alterations, and rear dormer with Juliet balcony. Certificate of Lawful Development (proposed).

    Granted Lawful development Loft or dormer Roofing 6 docs
  • 17 Cragg Avenue Radlett Hertfordshire WD7 8DW

    19/1678/HSE Submitted 21 Oct 2019 50 yards away

    Construction of two storey side extension, part single part two storey rear extension, new front porch and conversion of loft to habitable room to include side and rear dormers and insertion of roof lights.

    Granted Householder Extension Loft or dormer 6 docs
    Small domestic
  • 61 Gills Hill Lane Radlett Hertfordshire WD7 8DG

    26/1094/HSE Submitted 4 Aug 2026 100 yards away

    92% historically approved · decision due ~12 Oct

    Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer and insertion of 4x front roof lights; single storey rear extension; front porch extension.

    Awaiting decision Householder Extension Loft or dormer +1 12 docs
    Small domestic
  • 73 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    24/1347/CLP Submitted 17 Oct 2024 100 yards away

    Demolition of existing side garage followed by construction of single storey side and rear extensions, and front porch. Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 2x front rooflights and 2x windows to side elevation at loft level. Raised patio and alterations to side fences. Certificate of Lawful Development (Proposed).

    Granted Lawful development Extension Loft or dormer +3 25 docs
    Small domestic
  • 73 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    24/1346/HSE Submitted 17 Oct 2024 100 yards away

    Demolition of existing garage, WC and utility to facilitate construction of single storey front, side and rear wraparound extension with insertion of 1x rooflight to rear and new raised rear patio. Construction of new side access.

    Granted Householder Extension Loft or dormer +1 26 docs
    Small domestic

In Hertsmere

  • 26/1319/HSE Granted

    54 The Shrublands Potters Bar Hertfordshire EN6 2BW

    Single storey side extension and front porch.

    Received 10 Sep, published by the council 23 Sep 2026 Householder
  • 26/1324/HSE Granted

    12 Nightingale Close Radlett Hertfordshire WD7 8NT

    Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration.

    Received 11 Sep, published by the council 21 Sep 2026 Householder
  • 26/1263/HSE Granted

    11 Juniper Gardens Shenley Radlett Hertfordshire WD7 9LA

    Single storey rear extension.

    Received 1 Sep, published by the council 23 Sep 2026 Householder
  • 26/1303/HSE Granted

    14 Hartfield Avenue Elstree Borehamwood Hertfordshire WD6 3JE

    Alterations to fenestration to include replacement of garage door with window and side elevation window changes.

    Received 8 Sep, published by the council 15 Sep 2026 Householder
  • 26/1248/HSE Granted

    24 Farm Way Bushey Hertfordshire WD23 3SS

    Single storey rear extension; single storey front extension to include porch, conversion of garage to habitable space and replacement of garage door with window; first floor side extension.

    Received 28 Aug, published by the council 4 Sep 2026 Householder