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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0424/LAWP

    Certificate of lawfulness for loft conversion with side dormer

    41 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 10 Feb 2021
  2. Decided - RefusedS6/2008/0491/TP

    REDUCE OAK TREE T6 BY 30-35%, RE-SHAPE AND TRIM NEW GROWTH COVERED BY TPO 3

    21 KINGSMEAD, CUFFLEY, POTTERS BAR, HERTS, EN6 4AN

    Received 4 Mar 2008
  3. Awaiting completion S106 and/or Referral SoS6/2025/2337/OUTLINE

    Outline permission for the erection of up to 60 dwellings (Use Class C3) with all matters reserved except for access

    Land to The South of Bulls Lane Welham Green Hatfield AL9 7PE

    Received 5 Nov 2025
  4. Decided - Granted6/2025/1714/COND

    Submission of details pursuant to condition 1 (Construction Management Plan), 2 (Landscape and Ecological Management Plan), 3 (Hard/Soft Landscaping), 4 (Landscape Implementation) and the Statutory Biodiversity Gain Plan Condition on planning permission 6/2025/0191/MAJ

    Bishops Hatfield Girls School Woods Avenue Hatfield AL10 8NL

    Received 11 Aug 2025
  5. Decided - GrantedN6/2009/2058/FP

    INSERTION OF REAR DORMER WINDOW

    8 Great North Road Welwyn AL6 0PL

    Received 21 Sept 2009
  6. Decided - Granted6/2022/2869/EMT

    T1-Tree of Heaven-Crown reduce all round by 2 metres to maintain size and shape. T2-Silver Birch-Crown reduce all round by 2 metres to maintain size and shape.

    338 Knightsfield Welwyn Garden City AL8 7NQ

    Received 19 Dec 2022
  7. Decided - GrantedS6/2006/0055/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    58 Homewood Avenue Cuffley Potters Bar EN6 4QR

    Received 17 Jan 2006
  8. Decided - RefusedN6/2013/0134/FP

    Erection of single storey front extension

    12 Maran Avenue Welwyn AL6 9HS

    Received 23 Jan 2013
  9. Decided - Granted6/2015/2283/EM

    Erection of single story conservatory to rear of property

    254 Howlands, Welwyn Garden City, AL7 4HF

    Received 9 Nov 2015
  10. Decided - Granted6/2017/1611/EM

    Erection of two storey side and single storey rear infill extension, rear conservatory and alterations to roof to facilitate conversion of garage to habitable space

    1 Hawthorns Welwyn Garden City AL8 7SE

    Received 24 Jul 2017
  11. Decided - Granted6/2021/2819/FULL

    Erection of a single storey rear extension, alterations to fenestrations.

    22 Parkway Welwyn Garden City AL8 6HG

    Received 30 Sept 2021
  12. Decided - Granted6/2025/0683/VAR

    Variation of condition 3 (approved plans) on planning permission 6/2024/1934/HOUSE

    19 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 9 Apr 2025
  13. Decided - GrantedN6/2014/2141/DS

    Approval of details reserved by condition 5 (archaeological evaulation) of planning permission N6/2014/0926/FP

    26 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB

    Received 29 Sept 2014
  14. Decided - GrantedS6/2014/1770/FP

    Erection of side and rear extensions and roof alterations to include 6 dormers and hip-to-gable front elevation following demolition of existing garage

    24 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BT

    Received 7 Aug 2014
  15. Appeal Decided - WithdrawnS6/2004/1081/DE

    ERECTION OF 60 DWELLINGS WITH CAR PARKING, GARAGE AND CONSTRUCTION OF ACCESS ROAD (RESERVED MATTERS FOLLOWING OUTLINE PERMISSION S6/1999/1064/OP)

    PHASE 4, HATFIELD AERODROME, HATFIELD, HERTFORDSHIRE

    Received 12 Jul 2004
  16. Decided - GrantedS6/2013/1143/FP

    Erection of first floor front extension

    14 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 29 May 2013
  17. Decided - Withdrawn6/2016/1015/FULL

    Erection of 12no flood lights to existing tennis courts

    Welwyn Tennis Club Ottway Walk Welwyn AL6 9AT

    Received 23 May 2016
  18. Decided - Granted6/2026/0075/LAWE

    Certificate of lawfulness for a material operation and meaningful commencement of planning permission 6/2022/1028/FULL

    United Reformed Church Church Road Welwyn Garden City AL8 6PR

    Received 16 Jan 2026
  19. Decided - RefusedS6/2013/0247/FP

    Erection of first floor side extension, loft conversion incorporating rear dormer window and front porch

    129 Bramble Road Hatfield AL10 9SD

    Received 5 Feb 2013
  20. Decided - GrantedN6/2006/0329/FP

    ERECTION OF SIDE CONSERVATORY

    31 Howicks Green Welwyn Garden City AL7 4RJ

    Received 16 Mar 2006
  21. Decided - GrantedW6/2013/1217/TE

    Removal of one Laurel Bush and one Conifer hedge

    92 Pentley Park, WELWYN GARDEN CITY, AL8 7SG

    Received 28 May 2013
  22. Decided - Granted6/2020/1901/EM

    Replace and enlarge existing aging concrete driveway.

    18 Turmore Dale Welwyn Garden City AL8 6HS

    Received 10 Jul 2020
  23. Decided - GrantedN6/2008/1179/FP

    ERECTION OF REAR CONSERVATORY

    10 NEWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YT

    Received 15 Jul 2008
  24. Decided - Granted6/2018/0092/LAWP

    Certificate of lawfulness for installation of rear dormer to facilitate loft conversion.

    40 Great Ganett Welwyn Garden City AL7 3DE

    Received 11 Jan 2018

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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How to search planning applications

Guides to planning records

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    Planning approval rates: how to read council statistics

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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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