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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
37,465Searchable applications
335Recorded as pending
86%Approval rate · 31,254 approved or refused records
4,359Refused applications

26,895 approved · 4,359 refused · 2,018 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/0078/TN

    Installation of 1X Electronic Communication Apparatus

    OPP 20 Adele Avenue, Adele Avenue, Digswell, Welwyn, AL6 0AU

    Received 20 Jan 2015
  2. Decided - Granted6/2026/0432/EM

    Erection of outbuilding for home office/ gym following demolition of existing shed/outbuilding

    187 Blythway Welwyn Garden City AL7 1DS

    Received 9 Mar 2026
  3. Decided - Granted6/2022/2722/TPO

    Oak tree to crown reduce by 1m. Tree located in woodland to the rear covered by TPO 657 (2017) W1.

    12A Birch Grove Welwyn AL6 0QP

    Received 1 Dec 2022
  4. Decided - Refused6/2018/0825/MAJ

    Construction of new build of 22 x 2 bedroom and 2 x 3 bedroom residential apartments with balconies and roof garden, layout of 26 car parking spaces, cycle parking, refuse store, internal access routes, landscaping and supporting infrastructure

    37 Broadwater Road Welwyn Garden City AL7 3AX

    Received 28 Mar 2018
  5. Decided - Refused6/2019/3192/HOUSE

    Erection of front porch, first floor side extension and part single storey rear extension

    17 Wendover Drive Welwyn AL6 9LT

    Received 16 Dec 2019
  6. Decided - Granted6/2021/0034/EMT

    2 x Cherry Plums to reduce height by 2m

    29 Attimore Road Welwyn Garden City AL8 6LQ

    Received 6 Jan 2021
  7. Decided - GrantedS6/2007/1567/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    4 BACONS DRIVE, CUFFLEY, HERTFORDSHIRE, EN6 4EF

    Received 24 Oct 2007
  8. Decided - Granted6/2024/1485/COND

    Submission of details pursuant of condition 1 (construction management plan) on planning permission 6/2021/0129/FULL

    Brookmans Park Golf Club Golf Club Road Hatfield AL9 7AT

    Received 5 Aug 2024
  9. Decided - Granted6/2023/0059/EM

    Erection of a first floor side extension

    176 Blythway Welwyn Garden City AL7 1DU

    Received 10 Jan 2023
  10. Decided - Refused6/2018/2817/EM

    Erection of single storey side, part single, part two, part first floor rear extensions and erection of garden wall following demolition of existing wall

    The Old Manse 40 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 1 Nov 2018
  11. Decided - GrantedS6/2010/0128/FP

    ERECTION OF TWO STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING GARAGE

    51 MULBERRY MEAD, HATFIELD, HERTFORDSHIRE, AL10 9EH

    Received 25 Jan 2010
  12. Decided - Granted6/2018/0911/EM

    Formation of block paving driveway which doubles as a path to the house

    23 Cranborne Gardens Welwyn Garden City AL7 3NF

    Received 5 Apr 2018
  13. Decided - Withdrawn6/2020/3422/FULL

    Demolition of existing detached dwelling and rebuild with additional two storey side extension and ground floor extension.

    1 Pentley Close Welwyn Garden City AL8 7SH

    Received 22 Dec 2020
  14. Decided - GrantedS6/2010/0403/FP

    PARTIAL FRONT GABLE CONVERSION ERECTION OF SINGLE STOREY REAR EXTENSION WITH ACCOMODATION PROVIDED WITHIN ROOFSPACE

    11 SOUTH DRIVE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HP

    Received 25 Feb 2010
  15. Decided - GrantedS6/2008/2484/MA

    PROPOSED MIXED USE DEVELOPMENT OF COMMERCIAL RETAIL FLOORSPACE 147 SQ. MTRS. (A1/A2) AND PRIVATE RESIDENTIAL ACCOMMODATION COMPRISING OF 24 RESIDENTIAL UNITS WITHIN 2 NEW BUILDINGS, WITH ASSOCIATED ON SITE PARKING, REFUSE & CYCLE STORAGE, VEHICLE TURNING HEAD AND LANDSCAPING FOLLOWING DEMOLITION OF REDUNDANT BINGO HALL AND ASSOCIATED PARKING FACILITIES ACCESSED OF LEMSFORD ROAD

    46 The Common Hatfield AL10 0LU

    Received 29 Dec 2008
  16. Decided - GrantedC6/1988/0205/FP

    Single storey extension to rear of garage, enlargement of roof space and new rear dormer

    25 Coneydale, Welwyn Garden City, AL8 7RX

    Received 1 Jan 1988
  17. Decided - Withdrawn6/2017/2242/EM

    Erection of a single storey rear extension

    358 Knightsfield Welwyn Garden City AL8 7NG

    Received 3 Oct 2017
  18. Decided - Granted6/2019/2645/LAWP

    Certificate of lawfulness for the erection of an orangery/conservatory

    1 Oaklea Close Welwyn AL6 0QL

    Received 21 Oct 2019
  19. Decided - Granted6/2021/1884/HOUSE

    Retention of outbuilding

    1 Scarff Close Welwyn AL6 0SZ

    Received 21 Jun 2021
  20. Decided - RefusedS6/2007/1058/FP

    PROPOSED FIRST FLOOR EXTENSION WITH FRONT, SIDE AND REAR DORMERS

    5 Burleigh Way Cuffley Potters Bar EN6 4LJ

    Received 16 Jul 2007
  21. Decided - Granted6/2022/0070/LAWP

    Certificate of lawfulness for replacement front porch and detached garden room.

    1 Two Oaks Drive Welwyn AL6 0EZ

    Received 11 Jan 2022
  22. Decided - GrantedS6/2013/1816/TP

    Removal of Goat Willow covered by TPO 7 A2

    land r/o, 63 Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ

    Received 21 Aug 2013
  23. Decided - GrantedS6/2015/0173/FP

    Loft conversion to incorporate three small dormer windows within the front roofslope and three dormers within the rear roofslope

    3 Homewood Avenue, Cuffley, Potters Bar, EN6 4QG

    Received 28 Jan 2015
  24. Decided - Granted6/2017/0825/EM

    Erection of single storey rear extension

    318 Howlands Welwyn Garden City AL7 4HD

    Received 21 Apr 2017

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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