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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
39,853Searchable applications
298Recorded as pending
86%Approval rate · 33,415 approved or refused records
4,778Refused applications

28,637 approved · 4,778 refused · 2,184 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2024/0792/HOUSE

    Erection of a double storey rear extension, first floor side extension, garage conversion and alterations to the garage roof, alterations to openings, porch and re-positioning of front entrance

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 26 Apr 2024
  2. Decided - Granted6/2022/0080/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    36 Heyford Way Hatfield AL10 0AT

    Received 13 Jan 2022
  3. Decided - GrantedS6/2014/1705/FP

    Erection of single storey extension to existing recreation building and link glass fully weathered link between house and recreation building

    The Ridges, The Ridgeway, Cuffley, Potters Bar, EN6 4BH

    Received 30 Jul 2014
  4. Decided6/2017/2486/TPO

    Fell 2 x Conifer trees located in rear garden - Conservation Area

    28 Reddings Welwyn Garden City AL8 7LA

    Received 25 Oct 2017
  5. Decided - Granted6/2022/1281/HOUSE

    Erection of new porch following removal of existing porch with alterations to windows on front elevation. Erection of side extension to existing outbuilding

    317 St Albans Road West Hatfield AL10 9RJ

    Received 30 May 2022
  6. Decided - Granted6/2025/1664/EMT

    T1 Wild Cherry tree to reduce canopy and height by up to 2 meters

    81 Valley Road Welwyn Garden City AL8 7DR

    Received 1 Aug 2025
  7. Decided - GrantedS6/2004/1332/DT

    INSTALLATION OF A 15 METRE LATTICE TOWER (REPLACEMENT OF EXISTING) 6 PANEL ANTENNAS, 2 MICROWAVE DISHES AND EQUIPMENT CABIN

    University of Hertfordshire Mosquito Way Hatfield AL10 9AB

    Received 2 Sept 2004
  8. Decided - Refused6/2024/0929/HOUSE

    Erection of detached garage with home office, gym and games-room

    Cromer House Cromer Hyde Lemsford Herts AL8 7XD

    Received 20 May 2024
  9. Decided - Granted6/2019/2022/ADV

    Installation of 2x fascia boards

    1 Maynard Place Cuffley Potters Bar EN6 4JA

    Received 13 Aug 2019
  10. Decided - Granted6/2020/1275/HOUSE

    Erection of a part single storey, part two storey rear extension, insertion of window to existing first floor side elevation and removal of existing rear chimney

    43 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 8 Jun 2020
  11. Decided - Granted6/2016/2630/EM

    Replacement of partial area of hardstanding with grass to front of house

    104 Cole Green Lane Welwyn Garden City AL7 3JD

    Received 9 Dec 2016
  12. Decided - GrantedN6/2008/0892/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    92 BROOMHILLS, WELWYN GARDEN CITY, HERTS, AL7 1RD

    Received 7 Jul 2008
  13. Decided - GrantedN6/2015/0614/LUE

    Lawful development certificate for a change of use from B8 (storage or distribution) to B2 (general industrial)

    Welwyn Auto Centre, 9 Blenheim Court, Brownfields, Welwyn Garden City, AL7 1AD

    Received 20 Mar 2015
  14. Decided - Refused6/2020/0438/HOUSE

    Erection of a two storey rear extension

    11 Cecil Crescent Hatfield AL10 0HF

    Received 17 Feb 2020
  15. Decided - WithdrawnS6/2015/1184/LB

    Internal alteration to existing accommodation and insertion of windows and replacing roof

    Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 3 Jun 2015
  16. Decided - Granted6/2022/2473/HOUSE

    Erection of veranda to the rear of house

    27 Hillside Way Welwyn AL6 0TY

    Received 27 Oct 2022
  17. Decided - Refused6/2017/1799/LAWE

    Retention of 4 x rooflights

    49 The Meadway Cuffley Potters Bar EN6 4ET

    Received 15 Aug 2017
  18. Decided - RefusedN6/2013/1011/FP

    Erection of single storey side and first floor rear extensions

    5 Holly Road Woolmer Green Knebworth SG3 6LL

    Received 17 May 2013
  19. Decided - Granted6/2019/2323/HOUSE

    Erection of a single storey rear extension and alterations to fenestration

    Greyslates, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 20 Sept 2019
  20. Under Consultation6/2026/1862/COND

    Submission of details pursuant to Condition 8 (noise mitigation) on planning permission 6/2022/1957/FULL

    Land Adjacent to The Coach and Horses 61 Newgate Street Village Hertford SG13 8RA

    Received 14 Oct 2026
  21. Decided - GrantedN6/2014/0866/TC

    Removal of one Deodar Cedar and one Cypress tree plus 30% crown reduction of Ash and Cherry tree

    15 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 15 Apr 2014
  22. Decided6/2018/0908/TPO

    Fell 1x Hornbeam Tree -Conservation area

    Bantam cottage Westend Lane Essendon Hatfield AL9 6AT

    Received 6 Apr 2018
  23. Decided - Granted6/2025/0157/COND

    Submission of details pursuant to Condition 1 (Proposed Landscape Plan), Condition 2 (Proposed Cycle Store Details and Materials) and Condition 3 (Proposed Refuse & Recycling Store Details and Materials) on planning permission 6/2023/1487/FULL

    6 High Ridge Cuffley Potters Bar EN6 4JH

    Received 29 Jan 2025
  24. Appeal Decided - Dismissed6/2020/1817/FULL

    Conversion of existing stables into a residential dwelling

    45 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 23 Jul 2020

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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    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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