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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
35,027Searchable applications
313Recorded as pending
87%Approval rate · 29,168 approved or refused records
3,894Refused applications

25,274 approved · 3,894 refused · 1,826 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1868/HOUSE

    Conversion of existing garage to a habitable room and alterations to front

    6 Homerfield Welwyn Garden City AL8 6QZ

    Received 17 Jul 2018
  2. Decided - Granted6/2022/0394/ADV

    Installation of 1 x replacement internally illuminated sign

    40 Wigmores North Welwyn Garden City AL8 6PH

    Received 21 Feb 2022
  3. Decided - Granted6/2025/2443/VAR

    Variation of condition 12 (approved plans) on planning permission 6/2023/2339/FULL

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 21 Nov 2025
  4. Decided - GrantedW6/2009/1078/EM

    INSTALLATION OF STEEL UP & OVER DOOR AT GARAGE

    1A GREAT BREAK, WELWYN GARDEN CITY, HERTS, AL7 3EZ

    Received 22 May 2009
  5. Decided - GrantedS6/2014/2572/LUP

    Certificate of lawfulness for a garage extension

    22 Kingswell Ride, Cuffley, Potters Bar, EN6 4LH

    Received 24 Nov 2014
  6. Decided - Withdrawn6/2022/1142/HOUSE

    Erection of part single-storey & part two-storey extension with rooflights, conversion of loft to habitable space with rear-facing dormer, increase in height of parapet walls and replacement windows

    21 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 18 May 2022
  7. Decided - RefusedS6/2013/2523/NM

    Non material amendment following approval of planning permission S6/2012/1620/FP - Level part of ground floor front wall with extension and existing porch to form a new disabled access to front of property plus door widened to allow access and storage of mobility scooter or wheel chair

    9 Cecil Crescent Hatfield AL10 0HF

    Received 2 Dec 2013
  8. Under Consultation6/2026/1770/EMT

    T1 Apple to prune and reduce height by 2m

    15 Marley Road Welwyn Garden City AL7 4BT

    Received 6 Oct 2026
  9. Decided - GrantedN6/2013/2452/LUE

    Certificate of lawfulness for existing garage/storage shed

    67 London Road Woolmer Green Knebworth SG3 6HG

    Received 20 Nov 2013
  10. Decided - Refused6/2019/0827/FULL

    Erection of a dwelling and garage

    28 High Oaks Road Welwyn Garden City AL8 7BH

    Received 5 Apr 2019
  11. Decided - Granted6/2020/0753/EM

    Fell 1 x Japanese Cedar to hedge height

    59 Bridge Road Welwyn Garden City AL8 6UH

    Received 20 Mar 2020
  12. Decided - Granted6/2019/0096/HOUSE

    Erection of two storey side extension following demolition of outbuilding

    38 The Sidings Hatfield AL10 9SR

    Received 18 Jan 2019
  13. Decided - Withdrawn6/2017/2290/HOUSE

    Erection of single storey rear extension with glass canopy to the side, part garage conversion, alterations to existing side windows, new dormers, enlargement of side dormer & new rooflight to facilitate a loft conversion

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 5 Oct 2017
  14. Decided - Granted6/2020/1309/HOUSE

    Installation of rear roof dormer and one rooflight

    Dene Hollow Great North Road Hatfield AL9 6DA

    Received 10 Jun 2020
  15. Decided6/2023/0419/TC

    T1 Silver Birch 33% crown reduction and rebalance

    34 Beehive Green Welwyn Garden City AL7 4BG

    Received 22 Feb 2023
  16. Decided - Withdrawn6/2026/0282/LB

    Installation of aluminium gazebo to existing outdoor seating area.

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 19 Feb 2026
  17. Decided - Granted6/2020/2543/EMH

    Erection of part two-storey and part single-storey side and rear extension

    14 Walnut Court Welwyn Garden City AL7 4EZ

    Received 1 Oct 2020
  18. Decided - GrantedW6/2015/0529/EM

    Erection of rear conservatory

    29 Parkfields, Welwyn Garden City, AL8 6EE

    Received 12 Mar 2015
  19. Decided - Granted6/2016/2223/TPO

    Prune T1 Magnolia tree located at the rear of house according to the following specifications: Clean to remove all dead, diseased and broken branches 2 centimetres in diameter and larger throughout crown. Thin crown to remove approximately 10% of live branches to reduce risk of branch failure. Most thinning cuts will be between 1 and 2 centimetres in diameter. Selective pruning to balance crown - Conservation Area

    28 Mill Lane Welwyn AL6 9ET

    Received 24 Oct 2016
  20. Decided - GrantedW6/2008/0898/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION, FOLLOWING DEMOLITION OF CONSERVATORY AND PART GARAGE,

    41 DIGSWELL RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PP

    Received 10 Jun 2008
  21. Appeal Decided - DismissedS6/2014/0166/FP

    Change of use of amenity land to residential

    Land adjoining, 83 Haseldine Meadows, Hatfield, AL10 8HA

    Received 17 Jan 2014
  22. DecidedN6/2008/1666/TE

    REMOVAL OF TWO SILVER BIRCH TREES

    8 HOLWELL HYDE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3DJ

    Received 2 Sept 2008
  23. Decided - Granted6/2017/0540/EM

    Erection of a single storey rear extension with rear garden glazing (French sliding/folding doors), flat roof and installation of 2 rooflights.

    35 Springfields Welwyn Garden City AL8 6XT

    Received 15 Mar 2017
  24. Decided - Granted6/2023/0567/HOUSE

    Erection of a ground floor rear extension, first floor side extension, loft conversion including the raising of the roof ridge to create a crown roof and insertion of front and rear dormers and side rooflights, front garage extension, new front porch and alterations to fenestration.

    5 Mymms Drive Brookmans Park AL9 7AE

    Received 13 Mar 2023

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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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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