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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 Nov 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 Counts reflect the last collected status; some records may be out of date.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 buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedN6/2004/1720/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    42 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 22 Nov 2004
  2. Decided - Granted6/2016/1613/VAR

    Variation of condition 2 (works) on planning permission N6/2010/0639/FP for the erection of a single storey rear extension

    6 Parkway Close, Welwyn Garden City, AL8 6HJ

    Received 8 Aug 2016
  3. Decided - Granted6/2018/2725/COND

    Submission of details pursuant to condition 13 (Phases 1 (desktop) and 2 (intrusive investigation) Geo-Environmental Assessment) on planning permission 6/2016/1882/FULL

    Former Roche Products Site 40 Broadwater Road AL7 3AY

    Received 23 Oct 2018
  4. Decided - Granted6/2020/2766/EM

    External alterations (incl. reinstatement of chimney) and conversion of garage to facilitate change of use from single dwelling to House in Multiple Occupation (HMO)

    40 Westly Wood Welwyn Garden City AL7 1QL

    Received 22 Oct 2020
  5. DecidedN6/2014/2494/TC

    Reduce 12 Lime trees by 33% and remove 2 Multi stemmed Holly trees

    Glebe House Ellesfield Welwyn AL6 9HB

    Received 14 Nov 2014
  6. Decided - Granted6/2021/3529/FULL

    Temporary change of use of Units 1 & 2 of Block B1, as permitted by planning permission 6/2021/0529/VAR, from residential use (Class C3) to commercial use (Class E)

    38 High View Hatfield AL10 8HZ

    Received 21 Dec 2021
  7. Under Consideration6/2026/1504/LAWP

    Certificate of lawfulness for a proposed loft conversion including a rear dormer and rooflights within the front roofslope

    2 Cunningham Avenue Hatfield AL10 9LP

    Received 26 Aug 2026
  8. Decided - GrantedS6/2007/1563/FP

    ERECTION OF A SINGLE STOREY FRONT EXTENSIONS (AMENDMENTS TO APPLICATION S6/2007/828/FP)

    27 MYMMS DRIVE, BROOKMANS PARK, HATFIELD, HERTS, AL9 7AE

    Received 23 Oct 2007
  9. DecidedN6/2015/0141/DS

    Approval of details reserved by condition 3 (hard and soft landscpaing) of planning permission N6/2014/2109/FP

    85 Lords Wood, Welwyn Garden City, AL7 2HG

    Received 23 Jan 2015
  10. Decided6/2018/1970/TPO

    Reduce T1, Cherry by 30% to reduce height and laterals - conservation area

    43 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 26 Jul 2018
  11. Decided - Granted6/2019/1144/EIA

    Request for a screening opinion for Welwyn Hatfield Crematorium South Way Lawn Cemetery

    The Lawn Cemetery South Way Hatfield AL10 9EP

    Received 10 May 2019
  12. Decided - RefusedS6/2007/0386/FP

    ERECTION OF NEW 3 BED TERRACED DWELLING TO EXISTING SEMI DETACHED DWELLING

    21 Cecil Crescent Hatfield AL10 0HF

    Received 8 Mar 2007
  13. Decided - Granted6/2018/1589/COND

    Submission of details pursuant to condition 15 (parking to be surfaced and marked out) on planning permission 6/2016/0192/MAJ

    Brookmans Place Green Close Brookmans Park Hatfield AL9 7ST

    Received 13 Jun 2018
  14. Decided - GrantedS6/2013/1451/LUP

    Certificate of lawfulness for proposed erection of detached garage/playroom and extension to existing driveway to form access to building

    Wells Farm House, Northaw Road East, Cuffley, Potters Bar, EN6 4RD

    Received 8 Jul 2013
  15. DecidedN6/2008/1277/TC

    REMOVAL OF FIR TREE FROM REAR GARDEN

    12 Parkway Close, Welwyn Garden City, AL8 6HJ

    Received 31 Jul 2008
  16. Decided - RefusedS6/2008/0856/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    75 OAKLANDS AVENUE, BROOKMANS PARK, HERTS, AL9 7UH

    Received 29 May 2008
  17. Decided - RefusedN6/2008/2175/FP

    ERECTION OF A FOUR BEDROOM DETACHED DWELLING WITH ASSOCIATED ACCESS AND OFF-STREET PARKING

    Rear of 26 Great North Road Welwyn AL6 0PS

    Received 13 Nov 2008
  18. Decided - Granted6/2025/1772/FULL

    Change of use of the existing building from storage to staff accommodation. Alterations to fenestration, installation of three sun tunnels, erection of a single storey front extension and installation of decking following the removal of the existing canopy.

    Warren Farm Lodge Brocket Hall Welwyn Garden City AL8 7HX

    Received 20 Aug 2025
  19. Decided - Granted6/2026/0712/COND

    Submission of details pursuant to Condition 1 (hard and soft landscape), condition 2 (energy efficient construction materials and processes), condition 3 (cycle parking) & condition 6 (external materials) on planning permission 6/2023/2559/FULL

    44 Osborne Road Little Heath Potters Bar EN6 1SF

    Received 21 Apr 2026
  20. Decided - GrantedW6/2004/0909/EM

    LOFT CONVERSION.

    20 Cole Green Lane, Welwyn Garden City, AL7 3PW

    Received 15 Jun 2004
  21. Decided - Granted6/2021/3537/LAWP

    Certificate of lawfulness for loft conversion with rear dormer window and 3 front roof lights

    21 Dalewood Welwyn Garden City AL7 2JP

    Received 22 Dec 2021
  22. Decided - GrantedS6/2007/1785/FP

    ERECTION OF ROOF OVER REAR YARD (RETROSPECTIVE)

    10 High View Hatfield AL10 8HZ

    Received 26 Nov 2007
  23. Decided - Refused6/2020/0942/LAWP

    Erection of two storey rear extension

    Tylers Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 27 Apr 2020
  24. Decided - RefusedN6/2013/1775/FP

    Erection of single storey side extension and outbuilding following demolition of existing garage/store

    11 Nut Grove, Welwyn Garden City, AL8 7SQ

    Received 19 Aug 2013

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

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Guides to planning records

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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.

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