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England · Local authority

Hertsmere Borough Council
Planning applications.

Explore collected planning applications and decisions for Hertsmere Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
5,944Searchable applications
440Recorded as pending
83%Approval rate · 4,000 approved or refused records
669Refused applications

3,331 approved · 669 refused · 307 withdrawn. Received dates in our records: 4 Sept 2020 to 7 Oct 2026. Most recent record check: 11 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and Building ControlContact planning Planning Permission AdviceLocal plan Draft Local Plan 2026: A new sustainable Local Plan for HertsmerePre-application advice Pre-Application AdviceArticle 4 directions Article 4 Directions - Conservation

Council contacts

Contact details were found on council pages. Check the source for opening hours and which enquiries the service handles.

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas16 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided23/0478/OUT

    Application for a flexible (B2/B8) use including ancillary office floorspace, associated parking, loading docks, servicing, landscaping and substation. (Outline Application to include Access with all other matters Reserved).

    Land South Of Sky Studios Elstree Rowley Lane Borehamwood Hertfordshire

    Received 28 Mar 2023
  2. Unknown23/0479/PD56O

    Installation of 15.0m 5G Phase 8 Monopole and associated ancillary works.

    Telecommunications Equipment Opposite 21 Finch Lane Bushey Hertfordshire

    Received 28 Mar 2023
  3. Decided23/0480/HSE

    Alterations to side extension roof and extension of rear conservatory to boundary wall (part retrospective)

    6 Sutcliffe Close Bushey Hertfordshire WD23 3PL

    Received 28 Mar 2023
  4. Decided23/0481/HSE

    Partial demolition of existing rear extension, construction of 2.5 storey rear extension, single storey side extension, and alterations to fenestration. Insertion of solar panels to side elevation, new slate tiles, and white render retained and repaired. Associated landscaping works to include improved entrance access and additional parking.

    11 Finch Lane Bushey Hertfordshire WD23 3AH

    Received 29 Mar 2023
  5. Unknown23/0483/PD56O

    Installation of 15.0m 5G Phase 9 slimline Monopole and associated ancillary works.

    Telecommunications Equipment On Land Adjacent To Hudsons Court Darkes Lane Potters Bar Hertfordshire

    Received 29 Mar 2023
  6. Decided23/0484/CLP

    Single storey side extension following demolition of garage. Certificate of Lawful Development (Proposed).

    5 Chace Avenue Potters Bar Hertfordshire EN6 5LU

    Received 29 Mar 2023
  7. Decided23/0485/HSE

    Part single, part two storey side and rear extension.

    16 Horsehaven Mews Watford Hertfordshire WD19 4FT

    Received 29 Mar 2023
  8. Decided23/0486/CLP

    Conversion of loft to form habitable space including hip to gable roof alterations, rear dormer and 3 roof lights to front. Single storey rear extension and alterations to fenestration. Certificate of Lawful Development (Proposed).

    23 Duncan Way Bushey Hertfordshire WD23 2BE

    Received 29 Mar 2023
  9. Decided23/0487/TPO

    T12 COPPER BEECH. Crown thin by 15%. Crown lift 3.5m over road.

    5 Church Close Radlett Hertfordshire WD7 8BJ

    Received 30 Mar 2023
  10. Decided23/0488/DOC

    Application for approval of details reserved by conditions 2 (materials) and 7 (landscaping) of planning permission reference 22/1642/FUL.

    11 Medow Mead Radlett Hertfordshire WD7 8ES

    Received 30 Mar 2023
  11. Decided23/0489/HSE

    Single storey rear extension.

    5 St Louis Close Potters Bar Hertfordshire EN6 5EU

    Received 30 Mar 2023
  12. Decided23/0490/HSE

    Construction of a single storey rear extension to include alterations to fenestration.

    7 Thornbury Gardens Borehamwood Hertfordshire WD6 1RB

    Received 30 Mar 2023
  13. Decided23/0491/PD42

    Single storey rear extension. Depth: 4.00m, Height: 2.75m, Eaves: 2.75m.

    17 Melrose Avenue Borehamwood Hertfordshire WD6 2BH

    Received 30 Mar 2023
  14. Decided23/0492/PIP

    Erection of a detached residential dwelling on land to the rear of 29 Haydon Road (Permission in Principle Application).

    Land Rear Of 29 Haydon Road Watford WD19 4DE

    Received 30 Mar 2023
  15. Unknown23/0493/PD56O

    Installation of 15m 5G phase 8 slim-line monopole, supporting 6 x antennas, 3 x equipment cabinets, 10 x paving slabs and ancillary development thereto.

    Telecommunications Equipment On Land Opposite 165 Southgate Road Potters Bar Hertfordshire

    Received 30 Mar 2023
  16. Decided23/0494/HSE

    Demolition of existing rear conservatory, erection of a single storey rear extension and alterations to fenestration.

    2 Woburn Close Bushey Hertfordshire WD23 4XA

    Received 31 Mar 2023
  17. Decided23/0495/HSE

    Construction of a single storey rear extension and alterations to fenestration.

    403 Bushey Mill Lane Bushey Hertfordshire WD23 2AN

    Received 31 Mar 2023
  18. Decided23/0496/FUL

    Modified existing entrance doors to be automatic, removal of one entrance to be replaced with new glazing and a new access door formed. Block paving at new access door to be regraded to provide level access with associated works to the site. (Amended Plan received 21/06/2023)

    213 Shenley Road Borehamwood Hertfordshire WD6 1TE

    Received 31 Mar 2023
  19. Decided23/0497/ADV

    Installation of 1 banner sign. (Application for Advertisement Consent).

    213 Shenley Road Borehamwood Hertfordshire WD6 1TE

    Received 31 Mar 2023
  20. Decided23/0498/CLP

    Conversion of garage to habitable room including removal of garage door and replacement window. Certificate of Lawful Development (Proposed).

    45 Tennison Avenue Borehamwood Hertfordshire WD6 2BG

    Received 3 Apr 2023
  21. Decided23/0499/FUL

    Installation of a permanent BMX facility, alongside a 6m high column with CCTV camera and associated access linked to existing footpath.

    Meadow Park Broughinge Road Borehamwood Hertfordshire

    Received 3 Apr 2023
  22. Decided23/0500/VOC

    Application for variation of condition 2 (approved plans) to allow for alterations to fenestration, internal layout reconfiguration, enlarged green roof, PV panels area, and provision of ASHP following grant of planning permission 22/1923/VOC (amended by plans received on 27/11/2023, 29/11/2023 and 14/12/2023 in relation to the additional privacy details to Blocks A and B).

    Rutland Place The Rutts Bushey Heath Hertfordshire

    Received 3 Apr 2023
  23. Decided23/0501/HSE

    Instillation of 7 solar panels to rear roof.

    32 Anthorne Close Potters Bar Hertfordshire EN6 1RW

    Received 3 Apr 2023
  24. Decided23/0502/HSE

    Two storey front extension, part single/part two storey rear extension. Conversion of loft to form habitable space including rear dormer. Alterations to fenestration.

    29 Heath Drive Potters Bar Hertfordshire EN6 1EN

    Received 3 Apr 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Hertsmere Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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What these statistics cover

These figures describe applications collected by PlanningTrack for Hertsmere Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

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