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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2006/0165/FP

    SINGLE AND TWO STOREY SIDE AND REAR EXTENSIONS

    70 The Ryde Hatfield AL9 5DL

    Received 7 Feb 2006
  2. Decided - GrantedS6/2004/1618/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    59 Calder Avenue Brookmans Park Hatfield AL9 7AJ

    Received 1 Nov 2004
  3. Decided - Granted6/2019/0003/PN8

    Prior approval for erection of single storey rear extension measuring 4.0m in depth, 2.8m in height, 2.6m to the eaves

    9 Creswick Court Welwyn Garden City AL7 3SX

    Received 2 Jan 2019
  4. Under Consideration6/2026/1634/HOUSE

    Proposed garage conversion, widening of driveway to include a new parking space and erection of a garden room

    11 Lords Wood Welwyn Garden City AL7 2HF

    Received 18 Sept 2026
  5. Decided - Withdrawn6/2021/2733/COND

    Submission of details pursuant to condition 1 (external details of approved extension must match existing dwelling in relation to colour and texture) on planning permission 6/2021/0461/HOUSE

    53 Mardley Hill Welwyn AL6 0TT

    Received 21 Sept 2021
  6. Decided - Granted6/2024/0245/EM

    Installation of solar panels

    59 Valley Road Welwyn Garden City AL8 7DH

    Received 6 Feb 2024
  7. Decided - Granted6/2025/1743/EM

    Installation of new external gates following removal of existing external gates

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 15 Aug 2025
  8. Decided - Granted6/2026/0986/LAWE

    Certificate of lawfulness for the existing use of the property as a HMO

    21 Freemans Acre Hatfield AL10 9JJ

    Received 4 Jun 2026
  9. Decided - Granted6/2023/0421/HOUSE

    Replacement of shed in the rear garden

    34 Fore Street Hatfield AL9 5AH

    Received 23 Feb 2023
  10. Decided - Granted6/2021/2661/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.5m depth, 3.2m in height and 3m to the eaves

    86 Heathcote Avenue Hatfield AL10 0RJ

    Received 14 Sept 2021
  11. Decided - Granted6/2020/0724/HOUSE

    Erection of a single storey side and front extension to facilitate conversion of garage and alterations to openings and materials.

    31 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 16 Mar 2020
  12. Decided - GrantedW6/2006/0647/EM

    ERECTION OF REAR DETACHED GARAGE AND ALTERATIONS TO HARDSURFACING

    2 Salisbury Road, Welwyn Garden City, AL7 3SD

    Received 26 May 2006
  13. Decided - Withdrawn6/2019/1872/HOUSE

    Erection of front gates and increase in fence height

    30 Mardley Hill Welwyn AL6 0TS

    Received 31 Jul 2019
  14. Decided - Withdrawn6/2021/3152/PN8

    Prior approval of a single storey rear extension measuring 5.05m in depth, 3.9m in height, and 2.5m to the eaves

    61 Holme Road Hatfield AL10 9LG

    Received 4 Nov 2021
  15. Appeal Decided - DismissedS6/2015/1204/FP

    Change of use from House in Multiple Occupation (Class C4) to Larger HMO for 8 people (Sui Generis)

    1 Hill Ley, Hatfield, AL10 8LX

    Received 8 Jun 2015
  16. Decided - GrantedS6/2007/1895/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION OVER EXISTING GARAGE, AND SINGLE STOREY FRONT EXTENSION (RENEWAL OF CONSENT S6/2003/0512/FP)

    60 MOFFATS LANE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7RU

    Received 13 Dec 2007
  17. Decided - Granted6/2016/0723/COND

    Approval of details reserved by condition 4a (roof eaves), condition 4b(windows and doors), condition 4d (external grille) and condition 4e (internal partitioning) on planning permission N6/2015/1406/HOUSE and listed building consent N6/2015/1407/LB

    Manor Farm, Ayot Little Green Lane, Ayot St Peter, Welwyn, AL6 9BD

    Received 18 Apr 2016
  18. Decided - Granted6/2021/0600/EMT

    Magnolia (T1) to lift crown by up to 1m from branch tips, Liquid amber (T2) lift crown by up to 1m and reduce 1 top branch by up to 1m from branch tips. 2 x Hornbeam (T3, T4) crown reduction by up to 2m from branch tips and crown lift by up to 2m on garden side only. Elder (T5) to fell, and 2 x Holly (G1) to fell one and trim other back by 1m from branch tips.

    42 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 24 Feb 2021
  19. Decided - Granted6/2015/2222/EM

    Erection of single storey rear extension and associated works to openings following removal of existing glazing

    21 Elmwood Welwyn Garden City AL8 6LD

    Received 16 Jul 2015
  20. Decided - Granted6/2022/0011/HOUSE

    Proposed garage conversion, erection of a single storey side/rear infill extension and first floor rear extension. Alterations to existing fenestration

    30 Dellcott Close Welwyn Garden City AL8 7BB

    Received 4 Jan 2022
  21. Decided - Granted6/2022/0377/EM

    2 Storey Side & Single storey Rear Extension following demolition of existing garage

    14 Linkfield Welwyn Garden City AL7 4DW

    Received 17 Feb 2022
  22. Decided - Granted6/2025/2627/EMT

    T1 Sycamore to 2m crown reduction all over. T2 Norway maple to 2m crown reduction all over. T3 Lime to re-pollard to knuckles. T4 Sycamore to crown reduction of up to 2m. T5 Norway Maple to crown reduction of up to 2m. T6 Alder to crown reduction back to previous cuts, approx 3m of the top of the canopy and 2m off the side.

    9 Stonemead Welwyn Garden City AL8 7LX

    Received 30 Dec 2025
  23. Decided - GrantedN6/2008/0717/LU

    CERTIFICATE OF LAWFULNESS FOR THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION

    2 Mimram Walk Welwyn AL6 9EZ

    Received 23 Apr 2008
  24. Decided - GrantedN6/2009/2267/TC

    REDUCE CROWN OF COPPER BEECH TREE BY UPTO 25% AND REMOVE HEDGE CONSISTING OF RHODODENDRONS AND A HORNBEAM TREE ON BOUNDARY WITH 30 SHERRARDSPARK ROAD AND REPLACE WITH BEECH HEDGE

    3 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JT

    Received 20 Oct 2009

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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