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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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0252/VAR

    Variation of conditions 10 (drawing numbers) on application 6/2019/0771/FULL

    9 Broom Hill Welwyn AL6 0SF

    Received 29 Jan 2020
  2. Decided - GrantedS6/2013/0536/S73A

    Variation of condition 3 (Flood Risk Assessment) of planning permission S6/2012/0217/MA - Erection of a regional distribution centre (use class B8) totalling 21,886 square metres, including ancillary office accommodation and vehicle maintenance building, together with fuel island, vehicle washing facilities, car and lorry parking and manoeuvring areas, loading and unloading facilities, cycle parking, boundary treatment, landscaping. Lighting and access

    Plot 4000, Hatfield Business Park, HATFIELD, AL10 9TA

    Received 4 Mar 2013
  3. Decided - Granted6/2018/1700/COND

    Submission of details pursuant to condition 2 (revised plan to incorporate cycle parking and 10% disabled parking provision) on planning permission 6/2016/0318/MAJ

    Media House Sopers Road Cuffley Potters Bar EN6 4RY

    Received 26 Jun 2018
  4. Decided - Granted6/2019/1787/EM

    Installation of window to facilitate garage conversion

    8 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 22 Jul 2019
  5. Decided - Granted6/2016/0596/HOUSE

    Erection of two storey side, rear and front extensions with roof conversion

    60 Homewood Avenue, Cuffley, Potters Bar, EN6 4QR

    Received 5 Apr 2016
  6. Decided - Granted6/2016/0528/COND

    Approval of details reserved by condition 5 (renewables) condition 7 (cycle parking), condition 11 (external lighting) and condition 14 (refuse storage) on outline planning permission N6/2011/0359/OP

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 31 Mar 2016
  7. Decided - GrantedN6/2006/0021/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    24 Martlesham Welwyn Garden City AL7 2QF

    Received 6 Jan 2006
  8. Decided - RefusedS6/2009/0081/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED SINGLE STOREY FRONT,REAR AND BOTH SIDE EXTENSIONS

    RAYBROOK FARM, BLUEBRIDGE ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7SX

    Received 16 Jan 2009
  9. Decided - GrantedC6/1987/0686/FP

    Single storey rear extension

    22 Meadway, Welwyn Garden City, AL7 4NH

    Received 1 Jan 1987
  10. Decided - GrantedN6/2009/1090/FP

    ALTERATION TO FRONT ELEVATION TO REPLACE EXISTING BAY WINDOW WITH A PATIO DOOR

    55 FORRESTERS DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2JA

    Received 26 May 2009
  11. Decided - RefusedS6/2008/2365/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    131 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JW

    Received 1 Dec 2008
  12. Decided - Granted6/2022/2161/TPO

    T1 Oak reduce the lateral branches only by approximately 4m due to large branch failure and internal decay. Tree covered by TPO 901 (2018)

    Ridgeway Academy Herns Lane Welwyn Garden City AL7 2AF

    Received 16 Sept 2022
  13. Decided - RefusedN6/2007/0648/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    223 Heronswood Road Welwyn Garden City AL7 3JH

    Received 25 Apr 2007
  14. Decided - RefusedN6/2005/1381/FP

    PROPOSED REAR CONSERVATORY

    20 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 4 Nov 2005
  15. Decided - WithdrawnS6/2007/1135/FP

    ERECTION OF GAZEBO SMOKING SHELTER

    43 WARRENGATE ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TT

    Received 31 Jul 2007
  16. Decided - Refused6/2022/1362/HOUSE

    Erection of a part single, part two storey side extension, an ‘L-shaped’ rear dormer and a front rooflight following the demolition of existing conservatory

    56 Mimram Road Welwyn AL6 9HA

    Received 13 Jun 2022
  17. Decided - Refused6/2019/1094/EM

    Replacement of concrete block paving driveway and retention of new front door

    80 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 7 May 2019
  18. Decided - Granted6/2020/0694/HOUSE

    Erection of single storey rear extensions following demolition of rear conservatory

    Oak Cottage Grubbs Lane Hatfield AL9 6EG

    Received 11 Mar 2020
  19. Decided - Granted6/2017/2098/HOUSE

    Erection of single-storey rear infill extension

    141 The Vineyard Welwyn Garden City AL8 7PX

    Received 18 Sept 2017
  20. Decided6/2026/0487/TC

    Front: A: Row of Yews to reduce by approximately 2m in height. Rear: B: 1 x Yew to trim sides back hard away from garden C: 1 x Sycamore to reduce back to most recent pruning points (approximately 3m in height and 2m in width) D: 1 x Cherry plum to reduce by approximately 1.5m in height and width to ensure it is no longer overhanging building.

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 16 Mar 2026
  21. Decided - Granted6/2016/0911/HOUSE

    Erection of a single storey front extension, two storey part single storey rear extension and raised rear patio

    123 The Vineyard, Welwyn Garden City, AL8 7PX

    Received 11 May 2016
  22. Decided - GrantedN6/2008/1878/TP

    CROWN REDUCE BY 30% CROWN LIFT AND DEADWOOD OAK TREES T1 AND T2 COVERED BY TPO 302

    22 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JZ

    Received 2 Oct 2008
  23. Decided - GrantedN6/2008/0566/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY FRONT AND REAR EXTENSIONS

    357 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NB

    Received 12 Mar 2008
  24. Decided - Granted6/2016/2031/COND

    Approval of details reserved by condition 2 (Materials) 4 (Secure cycle parking) 5 (Refuse bin & recycling materials, storage bins & bin collection areas) 6 (External lighting) 7 (Landscaping) 10 (Windows & obscured glass) 11 (Construction method statement) 12 (Railway noise scheme) on Planning permission 6/2015/2173/FULL

    37 Lambs Close Cuffley Potters Bar EN6 4HD

    Received 3 Oct 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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