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
40,248Searchable applications
321Recorded as pending
86%Approval rate · 33,744 approved or refused records
4,812Refused applications

28,932 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2016/0117/COND

    Approval of details reserved by conditions 2 (material sample panel), 4 (hard and soft landscape) and 5(site levels) on planning permission S6/2015/1022/FP

    51 Tolmers Road, Cuffley, Potters Bar, EN6 4JG

    Received 25 Jan 2016
  2. Decided - GrantedC6/1987/0807/FP

    Single storey rear extension

    84 Broomhills, Welwyn Garden City, AL7 1RD

    Received 1 Jan 1987
  3. Decided - GrantedS6/2006/0252/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    18 Selwyn Drive Hatfield AL10 9NJ

    Received 1 Mar 2006
  4. Decided - Granted6/2016/0432/EM

    Installation of vehicle hardstanding

    12 Marley Road, Welwyn Garden City, AL7 4BS

    Received 14 Mar 2016
  5. Decided - Granted6/2022/2464/COND

    Submission of details pursuant to condition 5 (external surface materials) on planning permission 6/2020/2526/MAJ

    University of Hertfordshire College Lane Campus University Of Hertfordshire College Lane AL10 9AB

    Received 26 Oct 2022
  6. Decided - Granted6/2018/2441/EM

    Fell 1x Poplar tree and reduce 2 x Willow trees by 75%

    5 Beehive Green Welwyn Garden City AL7 4BE

    Received 24 Sept 2018
  7. Decided - RefusedS6/2007/0610/FP

    ERECTION OF A NEW DETACHED DWELLING

    LAND REAR OF, 44 & 46 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EJ

    Received 18 Apr 2007
  8. Decided - Granted6/2018/0435/HOUSE

    Erection of a single storey side and rear extension and front porch

    28 Bullens Green Lane St Albans AL4 0QS

    Received 9 Feb 2018
  9. Decided - GrantedN6/2008/1620/DS

    DISCHARGE OF CONDITIONS 4 & 7 FROM PLANNING DECISION NOTICE N6/2005/1470/FP

    4 Harmer Green Lane Digswell Welwyn AL6 0AD

    Received 1 Sept 2008
  10. Decided - Granted6/2018/2336/EM

    Erection of rear garden room

    9 Springfields Welwyn Garden City AL8 6XS

    Received 12 Sept 2018
  11. Appeal Decided - DismissedN6/2014/2234/FP

    Erection of two storey side extension and part two storey and part single storey rear extension

    3 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 9 Oct 2014
  12. Decided - GrantedS6/2008/1366/FP

    RETENTION OF ALTERATIONS TO EXTERNAL BUILDING (INCLUDING NEW TANK AND EXTRACT DUCTS TO THE FLAT ROOF)

    SIMMONS BAKERS LTD, 2 THE PARADE, HATFIELD, HERTFORDSHIRE, AL10 0EY

    Received 8 Aug 2008
  13. Decided - Granted6/2019/2049/HOUSE

    Erection of single storey rear extension following demolition of garage

    14 Westland Drive Brookmans Park Hatfield AL9 7UQ

    Received 16 Aug 2019
  14. Decided - WithdrawnS6/2008/0941/FP

    ERECTION OF TWO STOREY REAR EXTENSION, SINGLE FRONT EXTENSION AND LOFT CONVERSION INCORPORATING TWO REAR DORMERS AND ONE FRONT DORMER

    25 HANYARDS LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AT

    Received 18 Jun 2008
  15. Decided - Refused6/2022/1791/PN15

    Prior approval for the installation of a 16m phase 8 monopole C/W wrapround cabinet at base and associated ancillary works

    Hawkshead Road North Mymms Hertfordshire Little Heath EN6 1NB

    Received 1 Aug 2022
  16. Decided - Granted6/2026/0956/EM

    Replace the existing poorly condition concrete driveway with paving blocks

    3 Daniells Welwyn Garden City AL7 1QY

    Received 1 Jun 2026
  17. Decided - RefusedW6/2013/1467/EM

    Erection of single storey side extension

    22 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 11 Jul 2013
  18. Decided - RefusedS6/2015/0350/HH

    Prior approval for a single storey rear conservatory

    110 Brookmans Avenue, Hatfield, AL9 7QQ

    Received 20 Feb 2015
  19. Decided - Granted6/2015/1998/LB

    Extension and refurbishment of the Grade II listed hotel (Use Class C1) following demolition of poor quality additions.

    Comet Hotel, St Albans Road West, Hatfield, AL10 9RH

    Received 28 Sept 2015
  20. Decided - Granted6/2020/1182/HOUSE

    Erection of a single storey front, side and rear and a two storey side and rear extension

    2 Holwell Hyde Welwyn Garden City AL7 3DJ

    Received 27 May 2020
  21. Decided - RefusedN6/2006/0161/FP

    SINGLE STOREY FRONT AND REAR EXTENSION

    67 Harmer Green Lane Digswell Welwyn AL6 0EH

    Received 7 Feb 2006
  22. Decided6/2019/2296/TC

    Fell 1 x Beech tree T1 Fell 1 x Conifer tree T2

    6 The Green Welwyn AL6 9EA

    Received 16 Sept 2019
  23. Decided - GrantedW6/2006/0172/EM

    ERECTION OF REAR CONSERVATORY

    1 Marsden Road, Welwyn Garden City, AL8 6YQ

    Received 9 Feb 2006
  24. Decided - Granted6/2021/2287/HOUSE

    Erection of single storey rear extension

    58 Bradmore Way Brookmans Park AL9 7QX

    Received 30 Jul 2021

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