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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - WithdrawnS6/2013/1630/FP

    Erection of two storey front extension to include lobby & gallery

    8 Pine Grove, Brookmans Park, Hatfield, AL9 7BS

    Received 13 Jul 2013
  2. Decided - Granted6/2018/0920/EM

    Removal of 18m front privet hedge and replace it with Yew and removal of 12m side hedge to be replaced by Yew

    26 Russellcroft Road Welwyn Garden City AL8 6QU

    Received 9 Apr 2018
  3. Decided - GrantedN6/2013/0994/DS

    Discharge of conditions 3 (Materials) 5 (Construction Method Statement) N6/2012/2619/FP - Erection of detached house and integral garage and construction of new driveway

    The Barnhouse Digswell Lane Welwyn AL6 0SP

    Received 13 May 2013
  4. Decided - Granted6/2015/2133/EM

    Removal of apple tree in rear garden.

    4 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 5 Oct 2015
  5. Decided - Granted6/2016/2710/HOUSE

    Erection of a two storey side and rear extension and single storey rear single following demolition of existing rear conservatory, detached garage and car port/store, including erection of front dormer.

    3 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 22 Dec 2016
  6. Decided - Granted6/2026/0770/HOUSE

    Erection of a single storey garage extension

    5 Branch Close Hatfield AL10 0TW

    Received 1 May 2026
  7. Appeal Decided - Dismissed6/2018/0523/FULL

    Retention of change of use of existing outbuilding to a self-contained one bedroom dwelling

    Land to the rear of 5 Moor Cottages Mimram Walk Welwyn AL6 9EZ

    Received 20 Feb 2018
  8. Decided - Refused6/2016/0698/HOUSE

    Erection of a single storey rear and side extension

    14 Brocket Road, Welwyn Garden City, AL8 7TY

    Received 15 Apr 2016
  9. Decided - GrantedC6/1987/0803/FP

    Two storey side extension

    11 The Vineyard, Welwyn Garden City, AL8 7PY

    Received 1 Jan 1987
  10. Decided - Granted6/2015/1810/EM

    Installation of greenhouse in rear garden

    114 Lemsford Lane, Welwyn Garden City, AL8 6YP

    Received 25 Aug 2015
  11. Decided - GrantedS6/2004/1676/FP

    PRPOSED FIRE ESCAPE AT THE OLD SWIMMING POOL

    Queenswood School Shepherds Way Brookmans Park Hatfield AL9 6NS

    Received 12 Nov 2004
  12. Decided - RefusedW6/2007/1556/EM

    ERECTION OF TWO STOREY AND PART FIRST FLOOR SIDE AND SINGLE STOREY REAR EXTENSIONS

    19 Crossway, Welwyn Garden City, AL8 7ED

    Received 22 Oct 2007
  13. Decided - GrantedW6/2013/1251/TE

    Reduce Sweet Chestnut tree by 25%

    34 Woodland Rise, WELWYN GARDEN CITY, AL8 7LF

    Received 6 Jun 2013
  14. Decided - GrantedN6/2010/0312/TC

    REMOVAL OF FIR TREE LOCATED IN REAR GARDEN

    189 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JA

    Received 17 Feb 2010
  15. Decided - RefusedS6/2009/0273/FP

    ERECTION OF PART FIRST FLOOR, PART TWO STOREY SIDE EXTENSION AND SINGLE STORY FRONT EXTENSION

    16 Beech Close Hatfield AL10 8NT

    Received 6 Feb 2009
  16. Decided - Granted6/2018/0260/EM

    Shared party wall of proposed extension at 13 Moorend (rear of properties).

    12 Moorend Welwyn Garden City AL7 4QL

    Received 25 Jan 2018
  17. Decided - WithdrawnS6/2004/1751/FP

    EXTENSION TO EXISTING CAR PARKING AREA

    Brookmans Park Transmitting Station Great North Road Brookmans Park Hatfield AL9 6NE

    Received 26 Nov 2004
  18. Decided - WithdrawnS6/2004/0441/DE

    ERECTION OF 16 NEW DWELLINGS (AMENDED RESERVED MATTERS FOLLOWING OUTLINE PERMISSION S6/1999/1115/OP)

    Land off Campion Road Hatfield AL10

    Received 16 Mar 2004
  19. Decided - WithdrawnS6/2004/1681/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION WITH REAR CONSERVATORY

    96 Stonecross Road Hatfield AL10 0HW

    Received 15 Nov 2004
  20. Decided - Granted6/2026/0049/EMT

    Fell dead/dying plum tree

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 13 Jan 2026
  21. Decided - Granted6/2019/1365/EM

    Reduce 1 x Oak tree by 2.5m height & 2m width

    1 Scotts View Welwyn Garden City AL8 6HF

    Received 6 Jun 2019
  22. Decided - GrantedS6/2005/1287/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    18 Swanley Bar Lane Little Heath Potters Bar EN6 1NP

    Received 11 Oct 2005
  23. Decided - GrantedN6/2014/0056/TP

    T36 cedar overall reduction of 1.5m in length in addition to shortening back by 3m of 2 drooping branches over the property, removal of deadwood and broken branches, T56 beech crown lift to 4m to clear the property, T55 Scots Pine fell to ground level due to poor specimen, 4x evergreen oak various reduction works to lessen the weight on the main stems and bring away from property to give roof clearance, covered by TPO 266

    4 Harmer Dell Welwyn AL6 0BE

    Received 7 Jan 2014
  24. Decided - Granted6/2016/1455/TPO

    T1 - 25% reduction of mature lime tree due to previous snap out at approximately 4m. on lateral limb, T2 - Removal of Birch Tree due to multiple cavities on main stern, T3 - Removal of ash tree at the front of the grounds due to large cavity at the base with fungal bracket - Conservation Area

    Barnside Court Welwyn Garden City AL8 6TL

    Received 18 Jul 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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How to search planning applications

Guides to planning records

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  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

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

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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