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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2025/1499/FULL

    Material Change of Use from C3 (single-family dwelling) to C2 (residential institution) to establish a children’s home accommodating up to three service users

    58 Hazel Grove Hatfield AL10 9DX

    Received 9 Jul 2025
  2. Decided - GrantedW6/2014/2515/TE

    Fell Cherry tree

    17 Handside Lane, Welwyn Garden City, AL8 6SE

    Received 17 Nov 2014
  3. Decided - Granted6/2018/2812/HOUSE

    Erection of a single storey side extension

    2 Pippens Welwyn Garden City AL8 7AB

    Received 31 Oct 2018
  4. Decided - Granted6/2021/3241/HOUSE

    Retention of the front porch and single storey rear extension

    17 Meadow Dell Hatfield AL10 0SF

    Received 12 Nov 2021
  5. Decided - Granted6/2026/0581/EMT

    1 x Apple to reduce growth back to previous pruning points, approximately 1.2m in both height and width. To maintain size and current pruning maintenance cycle 2 x Norway maple to reduce growth back to previous pruning points, approximately 2m in both height and width. To maintain size and current pruning maintenance cycle

    3 Old Forge Close Welwyn AL6 0SR

    Received 1 Apr 2026
  6. Decided - GrantedN6/2004/0716/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS

    49 Fordwich Road Welwyn Garden City AL8 6EY

    Received 12 May 2004
  7. Decided - Granted6/2020/0598/HOUSE

    Insertion of side gable window and 2 rear rooflights to facilitate conversion of loft into habitable space and erection of detached outbuilding

    19 Sefton Court Welwyn Garden City AL8 6WW

    Received 3 Mar 2020
  8. Decided - Granted6/2015/2173/FULL

    Erection of 2no two bedroom flats together with associated parking and retention of existing car parking spaces following demolition of existing garages

    37 Lambs Close, Cuffley, Potters Bar, EN6 4HD

    Received 21 Oct 2015
  9. Decided - GrantedN6/2013/2465/FP

    Erection of two storey side extension

    19 Broadfield Road Woolmer Green Knebworth SG3 6LZ

    Received 15 Nov 2013
  10. Decided - GrantedS6/2004/0447/LB

    INSTALLATION OF NEW SIGNAGE AND LIGHTING

    THE OLD MAYPOLE, WARRENGATE ROAD, NORTH MIMMS, HATFIELD, HERTFORDSHIRE, AL9 7TT

    Received 18 Mar 2004
  11. Decided - Granted6/2025/1907/EM

    Installation of garden room

    3 Parkfields Welwyn Garden City AL8 6EE

    Received 4 Sept 2025
  12. Decided - Granted6/2026/1206/COND

    Submission of details pursuant to condition 10 (Landscaping) on planning application 6/2024/2418/MAJ

    Land south of Welham Manor and west of Station Road, including 26 Station Road Welham Green AL9 7EL

    Received 10 Jul 2026
  13. Decided - GrantedC6/1988/0404/FP

    Two storey and single storey rear extension

    17 Great Conduit, Welwyn Garden City, AL7 2DH

    Received 1 Jan 1988
  14. Decided - Refused6/2024/0032/LAWP

    Certificate of lawfulness for proposed detached garden building in the rear garden for ancillary use

    25 The Avenue Welwyn AL6 0PW

    Received 4 Jan 2024
  15. Decided - GrantedC6/1988/0280/FP

    Two storey rear extension and single storey side extension to form garage

    44 The Commons, Welwyn Garden City, AL7 4RS

    Received 1 Jan 1988
  16. Decided - Granted6/2015/1717/TC

    Fell a cherry tree Dd application - Sent to landscapes 18/08/15

    5 Little Youngs Welwyn Garden City AL8 6SL

    Received 11 Aug 2015
  17. Decided - RefusedW6/2005/1346/EM

    FORMATION OF VEHICLE HARDSTANDING

    64 The Commons, Welwyn Garden City, AL7 4RY

    Received 24 Oct 2005
  18. Decided6/2018/1579/TPO

    • Undertaking of multiple 40% crown reductions. This includes ash trees (A1,A2,A3) and sycamore (S4,) Sorbus (U1) • Sycamore S5 (Not on plan, adjacent to S4).Formation of dominant stem. Removal of 2 stands. • Fell self-set sycamores (S1,S2,S3) • Reduction of hazel hedging back to previous cuts, approximately 2.5m in height removed (Located along boundary of 76 Valley Road). • Justification for works-Works are required due to poor historical management at the property. Increase in light will encourage regenerative growth of desired species, and support physiological conditions of retained trees.

    74 Valley Road Welwyn Garden City AL8 7DP

    Received 13 Jun 2018
  19. Decided - Granted6/2020/2958/TPO

    Pollard the Hornbeam tree which is subject to the TPO53 T8 to a height of 3.5 meters.

    1 Bluebells Welwyn AL6 0XD

    Received 11 Nov 2020
  20. Decided - Granted6/2021/0162/LAWP

    Certificate of Lawfulness for the erection of a fence

    Sowing Seeds Pre-School, Life Church, King James Avenue, Cuffley, Potters Bar, EN6 4LP

    Received 20 Jan 2021
  21. Decided - Withdrawn6/2022/0043/EM

    Formation of a dropped kerb and cross over

    8 Howicks Green Welwyn Garden City AL7 4RH

    Received 7 Jan 2022
  22. Decided - GrantedN6/2014/0109/FP

    Change of use of retail unit (A1) to restaurant (A3) and part of highway land to outdoor seating area. Installation of ventilation & extraction equipment and alterations to shopfront, provision of outdoor seating area

    32 Howardsgate, Welwyn Garden City, AL8 6BJ

    Received 13 Jan 2014
  23. Decided - Granted6/2017/1392/TPO

    Crown reduce ash by 30%, crown reduce by 30% and crown lift to 5m a hornbeam to 5m and fell an ash tree all covered by TPO 575 (2016)

    Tolmers Scout Camp Tolmers Road Cuffley Potters Bar EN6 4JS

    Received 27 Jun 2017
  24. Decided - Granted6/2016/0429/LAWP

    Certificate of lawfulness for the proposed installation of dormers and internal alterations to create loft conversion

    85 Brookside Crescent, Cuffley, Potters Bar, EN6 4QP

    Received 15 Mar 2016

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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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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