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
40,067Searchable applications
298Recorded as pending
86%Approval rate · 33,605 approved or refused records
4,797Refused applications

28,808 approved · 4,797 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2463/VAR

    Variation of condition number 3 (approved plans) on planning permission 6/2025/1527/HOUSE

    32 Huggins Lane Welham Green Hatfield AL9 7LE

    Received 25 Nov 2025
  2. Decided - Granted6/2025/0013/EM

    Erection of a single storey rear extension and outbuilding

    4 The Pastures Welwyn Garden City AL7 4PX

    Received 3 Jan 2025
  3. Decided - Granted6/2022/2021/EM

    Installation of solar panels to flat and apex roof on south side of dwelling.

    74 Rosedale, Welwyn Garden City, AL7 1DR

    Received 31 Aug 2022
  4. Decided - GrantedW6/2014/1164/TE

    Reduce Purple Beech tree by 30%

    1 Stonemead, Welwyn Garden City, AL8 7LX

    Received 2 Jun 2014
  5. Decided - Granted6/2016/0402/TPO

    Reduce and thin apple tree by 10% - Conservation Area

    11 Aldock, Welwyn Garden City, AL7 4QF

    Received 8 Mar 2016
  6. Decided - Granted6/2021/2755/FULL

    Creation of new pathway to front area including change of use of grass verge

    171 Knightsfield Welwyn Garden City AL8 7QG

    Received 22 Sept 2021
  7. Decided - Granted6/2022/2624/COND

    Submission of details pursuant to condition number 1 (noise impact assessment), on planning permission 6/2022/0962/FULL

    8 High View Hatfield AL10 8HZ

    Received 17 Nov 2022
  8. Decided - WithdrawnS6/2015/0597/S73B

    Variation of condition 4 (shared surfacing) on planning permission S6/2013/2231/MA

    1 - 12 Green Close, Brookmans Park, Hatfield, AL9 7ST

    Received 18 Mar 2015
  9. Decided - GrantedN6/2012/2667/FP

    Erection of log cabin for a family music room

    5 Pentley Park, WELWYN GARDEN CITY, AL8 7RT

    Received 20 Dec 2012
  10. Decided - Granted6/2023/1842/FULL

    Erection of a single storey rear extension to facilitate new cold store with a timber shed to the rear, gazebo and festoon lighting to the front and the installation of cellar fan units on roof.

    The Chieftain Cole Green Lane Welwyn Garden City AL7 3JF

    Received 4 Sept 2023
  11. Decided - GrantedS6/2013/0342/FP

    Alteration to existing conservatory

    24 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 12 Feb 2013
  12. Decided - Granted6/2020/0918/PN11

    Prior approval for the change of use from offices (B1(a)) to dwellinghouses (C3) at first and second floor to include the creation of 16 x 1 bedroom flats

    36 Salisbury Square, Hatfield, AL9 5AF

    Received 22 Apr 2020
  13. Decided - Withdrawn6/2020/3306/FULL

    Construction of two, two-storey detached houses with accommodation in the roof space and associated parking and access on the land to the rear of 52 & 54 Bridge Road.

    52 & 54 Bridge Road Welwyn Garden City AL8 6UR

    Received 9 Dec 2020
  14. Decided - GrantedS6/2008/2382/CD

    ERECTION OF DETACHED SINGLE STOREY CLASSROOM BLOCK

    PONSBOURNE ST MARYS JMI SCHOOL, NEWGATE STREET VILLAGE, HERTFORD, HERTFORDSHIRE, SG13 8RA

    Received 8 Dec 2008
  15. Decided - Granted6/2025/2227/EM

    Erection of rear single storey infill extension, with alterations to openings to the existing roof plan, side and rear elevations

    343 Knightsfield Welwyn Garden City AL8 7NB

    Received 21 Oct 2025
  16. Decided - Withdrawn6/2022/2046/LAWP

    Certificate of lawfulness for proposed replacement of existing conservatory for extension

    2 Nash Close Welham Green Hatfield AL9 7NN

    Received 2 Sept 2022
  17. Decided - RefusedS6/2014/2101/FP

    Change of use of highway land to outdoor seating area in connection with existing A3 use

    Simmons, 51 Dellsome Lane, Welham Green, Hatfield, AL9 7DY

    Received 23 Sept 2014
  18. Appeal Decided - DismissedS6/2007/0682/FP

    CHANGE OF USE FROM B1 TO LIVE/WORK UNIT AND CONVERSION OF GARAGE INTO PATIO GARDEN

    3 Bradmore Buildings Bradmore Green Brookmans Park Hatfield AL9 7QR

    Received 1 May 2007
  19. Appealed6/2023/2443/FULL

    Erection of double garage and storage area for flat A and B following demolition of existing garage

    109 Woods Avenue Hatfield AL10 8QQ

    Received 5 Dec 2023
  20. Decided - GrantedN6/2014/0081/AD

    Installation of illuminated entrance sign

    Panshanger Golf Club, Old Herns Lane, Welwyn Garden City, AL7 2ED

    Received 8 Jan 2014
  21. Decided - WithdrawnW6/2014/0536/EM

    Erection of front porch enclosure following demolition of existing open porch and installation of bay window with small tiled roof

    8 Aldock, Welwyn Garden City, AL7 4QF

    Received 14 Mar 2014
  22. Decided - RefusedN6/2008/0795/FP

    ERECTION OF NEW GARAGE, CLOAKROOM AND GARDEN STORE, FOLLOWING DEMOLITON OF EXISTING GARAGE AND CLOAKROOM

    GEORGIAN COTTAGE, 20 AYOT GREEN, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AB

    Received 17 May 2008
  23. Decided - Refused6/2016/1388/FULL

    Erection of three bedroom detached dwelling with attached single garage

    Rear of 11 The Green Welwyn AL6 9EA

    Received 8 Jul 2016
  24. Decided - Granted6/2025/0324/HOUSE

    Erection of single storey side and rear extension following demolition of conservatory

    24 Springfields Welwyn Garden City AL8 6XP

    Received 20 Feb 2025

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