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
39,411Searchable applications
344Recorded as pending
86%Approval rate · 32,967 approved or refused records
4,714Refused applications

28,253 approved · 4,714 refused · 2,161 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2015/1228/EM

    Erection of single storey side and rear extensions

    44 Moorlands, Welwyn Garden City, AL7 4PP

    Received 11 Jun 2015
  2. Decided - Granted6/2021/2663/HOUSE

    Erection of a two storey side/rear extension including conversion of roof space to habitable use to include dormer and 1 front and 2 rear roof lights

    1 Peregrine Way Hatfield AL10 9UP

    Received 14 Sept 2021
  3. Decided - Granted6/2022/1381/LAWP

    Certificate of Lawfulness for an outbuilding in the garden

    7 Mill Green Cottages Low Road Essendon Hatfield Hertfordshire AL9 6AB

    Received 15 Jun 2022
  4. Decided - RefusedN6/2009/1204/TE

    REMOVAL OF OAK TREE STUMP AND REMOVAL OF ONE OAK TREE AND TWO PINE TREES

    5 REDDINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LA

    Received 12 Jun 2009
  5. Decided - Granted6/2015/2377/EM

    Erection of precast concrete garage, following demolition of existing timber garage

    15 Creswick Court, Welwyn Garden City, AL7 3SX

    Received 23 Nov 2015
  6. Decided - GrantedN6/2007/0341/FP

    ERECTION OF REAR CONSERVATORY.

    3 Lindbergh Welwyn Garden City AL7 2NQ

    Received 1 Mar 2007
  7. Decided6/2025/1583/TC

    1 x Cherry plum to reduce by approximately 3m in height and 2m in width - Reducing to maintain suitable size and shape for the garden 1 x Silver birch to reduce by approximately 4m in height and 2.5m in width - Close to neighbouring properties. Reduce to maintain suitable size and shape for garden

    122 Sweet Briar Welwyn Garden City AL7 3EA

    Received 22 Jul 2025
  8. Decided - GrantedW6/2008/0048/EM

    ERECTION OF NEW GARDEN WALL

    17 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LH

    Received 11 Jan 2008
  9. Decided - Granted6/2017/1559/EM

    Widen existing driveway

    5 Woodland Rise Welwyn Garden City AL8 7LE

    Received 17 Jul 2017
  10. Decided - GrantedN6/2006/0035/FP

    ERECTION OF FIRST FLOOR EXTENSION ON EASTERN ELEVATION AND INTERNAL ALTERATIONS TO FORM NEW MEETING HALL AND OFFICE ACCOMMODATION

    FOCOLARE CENTRE FOR UNITY, 69 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JG

    Received 10 Jan 2006
  11. Decided - Withdrawn6/2018/2784/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.347m in depth, 3m in height, 2.775m to the eaves

    42 Uplands Welwyn Garden City AL8 7EW

    Received 26 Oct 2018
  12. DecidedN6/2008/1799/TC

    REMOVAL OF CONIFER TREE FROM FRONT GARDEN

    15 DOWNFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XR

    Received 19 Sept 2008
  13. Decided - Granted6/2016/0173/COND

    Approval of details reserved by condition 3 (window details) and condition 4 (architectural detailing) and condition 5 (Lifetime Homes) of planning permission S6/2015/1034/MA - Change of use from existing offices (B1) to six residential dwellings (C3), extension and conversion of existing loft space to one dwelling and erection of new block in existing car park to provide three new dwellings

    31 Salisbury Square, Hatfield, AL9 5JD

    Received 2 Feb 2016
  14. Decided - GrantedN6/2004/1536/FP

    ERECTION OF REAR CONSERVATORY

    120 Forresters Drive Welwyn Garden City AL7 2JQ

    Received 13 Oct 2004
  15. Decided - Granted6/2020/0938/EM

    Erection of a single storey rear extension

    64 The Commons Welwyn Garden City AL7 4RY

    Received 27 Apr 2020
  16. Decided - Withdrawn6/2023/2166/FULL

    Extension to existing warehouse

    Unit 3 Woodside Lane Hatfield AL9 6DE

    Received 24 Oct 2023
  17. Decided - Granted6/2022/0955/EM

    Installation of a proposed door and existing door changed to a window

    2 Malmsdale Welwyn Garden City AL8 7QN

    Received 22 Apr 2022
  18. Decided6/2020/2465/TC

    T1 - oak Crown reduce by 5m.

    Applecroft School 14 Applecroft Road Welwyn Garden City AL8 6LA

    Received 30 Jul 2020
  19. Decided - Granted6/2021/2174/HOUSE

    Erection of first floor rear extension

    18 and 20 Wilga Road Welwyn AL6 9PS

    Received 19 Jul 2021
  20. Decided - GrantedS6/2004/1214/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND LOFT CONVERSION WITH REAR DORMER WINDOW

    24 Selwyn Crescent Hatfield AL10 9NN

    Received 9 Aug 2004
  21. Decided - GrantedW6/2014/2033/TE

    Fell Two Hazel trees

    21 High Oaks Road, Welwyn Garden City, AL8 7BJ

    Received 27 Aug 2014
  22. Decided - Granted6/2025/0127/EM

    Replacement back door

    6 The Quadrangle Welwyn Garden City AL8 6SG

    Received 27 Jan 2025
  23. Decided - GrantedS6/2015/0980/FP

    Erection of new dwelling following demolition of existing dwelling

    24 Brookmans Avenue, Hatfield, AL9 7QJ

    Received 11 May 2015
  24. Decided6/2018/2474/TPO

    Fell 1x Cherry Tree(T3)

    48 Rooks Hill Welwyn Garden City AL8 6ET

    Received 26 Sept 2018

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • 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.

Check collection coverage