England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 areas9 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. Decided - Granted6/2021/0881/HOUSE

    Erection of a single storey side extension

    9 Mount Pleasant Close Hatfield AL9 5BZ

    Received 18 Mar 2021
  2. Decided - Granted6/2023/1124/FULL

    Erection of a new dwelling following demolition of existing dwelling

    2 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 26 May 2023
  3. Decided - Refused6/2018/1397/HOUSE

    Erection of single storey rear extension

    1 Beehive Lane Welwyn Garden City AL7 4BA

    Received 22 May 2018
  4. Decided6/2019/0070/TPO

    Fell 1 X mountain ash and reduce 2x beech trees in height by 3.5-4m.

    5 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 15 Jan 2019
  5. Decided - RefusedN6/2013/1149/TP

    Fell oak T9 covered by TPO 108

    35 Mardley Wood Welwyn AL6 0UY

    Received 31 May 2013
  6. Decided - GrantedN6/2008/2406/AD

    INSTALLATION OF FASCIA SIGN AND POSTER FRAME

    LOCAL, 43 COLE GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3PP

    Received 8 Jan 2009
  7. Decided - Granted6/2026/0017/HOUSE

    Erection of single storey rear extension, following demolition of conservatory together with the installation of two front rooflights and changes to the side windows/doors.

    5 Sherrards Mews Rectory Road Welwyn Garden City AL8 7AX

    Received 5 Jan 2026
  8. Decided - Granted6/2021/2879/FULL

    Installation of wooden post and rope fence to front boundary and installation of wooden gates to service yard.

    Comet Hotel St Albans Road West Hatfield AL10 9RH

    Received 7 Oct 2021
  9. Decided - GrantedN6/2013/2619/FP

    Erection of single storey side and rear extension

    215 Knightsfield, Welwyn Garden City, AL8 7QL

    Received 11 Dec 2013
  10. Decided - Granted6/2019/1794/FULL

    Reinstatement of timber glazing frame and installation of a window following the removal of 1 x ATM

    13 Stonehills Welwyn Garden City AL8 6ND

    Received 22 Jul 2019
  11. Decided - Refused6/2024/2057/COND

    Submission of details pursuant of condition 2 (Hard & Soft Landscape) on planning permission 6/2022/1754/FULL & 6/2024/0837/VAR

    Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 24 Oct 2024
  12. Under Consultation6/2026/1845/COND

    Submission of details pursuant to Condition 7 (Construction Environmental Management Plan) on planning permission 6/2025/0321/MAJ

    Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

    Received 13 Oct 2026
  13. Decided - Granted6/2019/0853/EM

    Erection of a single storey side/rear extension, installation of window following the removal of front door and installation of new entrance door with front step

    11 Handside Lane Welwyn Garden City AL8 6SE

    Received 9 Apr 2019
  14. Decided - Granted6/2018/0673/EM

    Raise front facing wall in height with the addition of 2 brick courses and reinstate parapet wall after removal.

    36 Hyde Way Welwyn Garden City AL7 3AE

    Received 12 Mar 2018
  15. Decided - GrantedW6/2013/2190/EM

    Installation of solar panels on rear roof slope

    49 Brockswood Lane, Welwyn Garden City, AL8 7BU

    Received 18 Oct 2013
  16. Decided - GrantedN6/2014/2504/FP

    Erection of two dwellings with associated garages and access

    52 & 54 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 14 Nov 2014
  17. Decided - Refused6/2021/0460/VAR

    Variation of condition 1 (obscured glazed and non-opening dormer windows) on planning permission 6/2018/2326/HOUSE

    2 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 12 Feb 2021
  18. Decided - Granted6/2016/1821/EM

    Erection of two storey and part single storey rear and side extension following demolition of existing single storey rear extension and garage

    4 Dognell Green, Welwyn Garden City, AL8 7BL

    Received 7 Sept 2016
  19. Decided - Granted6/2021/1529/HOUSE

    Erection of a rear single storey infill extension and change to fenestration on rear elevation and addition of timber cladding to rear elevation

    15 Whitehill Cottages Whitehill Welwyn AL6 9AE

    Received 13 May 2021
  20. Decided - Granted6/2019/2072/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2017/2911/HOUSE

    The Birches School Lane Essendon Hatfield AL9 6HD

    Received 19 Aug 2019
  21. Decided - Granted6/2016/0847/COND

    Approval of details reserved by condition 12 (ecological appraisal) on outline planning N6/2011/359/OP

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 4 May 2016
  22. Decided - Granted6/2024/1460/EMT

    Some root trimming work is required to two well established Poplar trees located within the Beehive Conservation area. It is requested permission be given to trim back some of the Poplar tree roots in the areas identified in the location plan in order that future preventative measures can be introduced and the affected paving slabs and turf can be relayed

    127 Sweet Briar Welwyn Garden City AL7 3EB

    Received 1 Aug 2024
  23. Decided - RefusedN6/2004/1187/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    73 Raymonds Plain Welwyn Garden City AL7 4TE

    Received 3 Aug 2004
  24. Decided - Granted6/2019/3202/HOUSE

    Erection of a single storey rear extension

    4 Otter Gardens Hatfield AL10 8PN

    Received 20 Dec 2019

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

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Researching a proposal in Welwyn Hatfield 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

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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.

  • 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.

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield 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.

Check collection coverage