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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2008/2038/EM

    ERECTION OF TIMBER SUMMERHOUSE IN REAR GARDEN

    16 BARLEYCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JU

    Received 24 Oct 2008
  2. Decided - Granted6/2016/0448/LAWP

    Certificate of lawfulness for the proposed erection of single storey side extension

    Carbone House, Carbone Hill, Northaw, Potters Bar, EN6 4PL

    Received 17 Mar 2016
  3. Decided - Granted6/2021/2787/HOUSE

    Erection of a single storey rear extension involving demolition of existing conservatory, and installation of 1 x rear dormer

    The Grange Cottage Coopers Lane Northaw Potters Bar EN6 4NF

    Received 28 Sept 2021
  4. Decided6/2021/0172/TC

    Reduce 1 x Hornbeam tree by 3-4m covered by conservation area

    15 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 20 Jan 2021
  5. Decided - Granted6/2020/1910/EMH

    Erection of a single storey side/rear infill extension and alterations to fenestration

    19 Hillside Welwyn Garden City AL7 4PZ

    Received 21 Jul 2020
  6. Decided - Granted6/2020/0281/EM

    Erection of a single storey side extension

    180 Heronswood Road Welwyn Garden City AL7 3EU

    Received 30 Jan 2020
  7. Decided - Granted6/2016/0284/PN15

    Replacement of existing 10m monopole with a new 12m phase 4 lamp post monopole, with additional equipment cabinet

    Base Station, Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 19 Feb 2016
  8. Decided - Granted6/2022/2891/LAWP

    Certificate of lawfulness for a loft conversion

    3 Ashbury Close Hatfield AL10 9SQ

    Received 22 Dec 2022
  9. Decided - Granted6/2022/0448/TPO

    T3-Oak- TPO 525 (2016) To reduce the crown by 20% to maintain size and shape.

    110 Old Rectory Drive Hatfield AL10 8FE

    Received 24 Feb 2022
  10. Decided - GrantedS6/2004/1119/FP

    ERECTION OF TWO 2 BED SEMI DETACHED HOUSES WITH ATTACHED GARAGES (AMENDED SCHEME)

    LAND REAR OF, 54/56 HOLLOWAYS LANE, WELHAM GREEN., HATFIELD, HERTFORDSHIRE, AL9 7NS

    Received 19 Jul 2004
  11. Decided - GrantedW6/2015/0136/EM

    Erection of part single storey and part two storey rear extension and single storey side extension and internal alterations

    3 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 23 Jan 2015
  12. Decided - GrantedN6/2013/2432/TP

    To remove two lowest branches on north side of crown (over driveway) and dead wood Scots pine covered by TPO175 T16

    5 Roundabout Lane Welwyn AL6 0TH

    Received 15 Nov 2013
  13. Decided - GrantedS6/2014/1378/FP

    Retention of single storey side and rear extension and conversion of garage to habitable accommodation

    2 Shallcross Crescent, Hatfield, AL10 9QH

    Received 18 Jun 2014
  14. Decided - GrantedN6/2015/0479/TC

    Removal of Two Holly trees

    8 Meadow Green, Welwyn Garden City, AL8 6SS

    Received 5 Mar 2015
  15. Decided - Withdrawn6/2018/2436/EM

    *** Withdraw*** Outside EM area Formation of vehicle crossover and hardstanding

    48 Wilshere Road Welwyn AL6 9PX

    Received 24 Sept 2018
  16. Decided - Granted6/2021/2309/HOUSE

    Erection of two storey and single storey rear extensions

    18 Stacklands Welwyn Garden City AL8 6XW

    Received 3 Aug 2021
  17. Decided - GrantedW6/2007/0675/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    16 Creswick Court, Welwyn Garden City, AL7 3SX

    Received 1 May 2007
  18. Decided - GrantedS6/2014/0789/S73A

    Variation of condition 2 (approve plans) of S6/2013/2456/FP - loft conversion with rooflights within the front roof slope and a rear dormer, garage conversion, part front extension and alterations to raise existing roof

    75 Mulberry Mead, Hatfield, AL10 9EH

    Received 9 Apr 2014
  19. Decided - GrantedS6/2004/1378/FP

    ERECTION TWO STOREY REAR AND SIDE EXTENSION

    19 Moffats Lane Brookmans Park Hatfield AL9 7RX

    Received 14 Sept 2004
  20. Decided - Granted6/2025/2318/LAWP

    Certificate of lawfulness for the partial demolition and reconstruction of dwelling due to subsidence with minor re-configuration of window openings

    Netherfield Vineyards Road Northaw Potters Bar EN6 4PH

    Received 3 Nov 2025
  21. Decided6/2021/2675/TC

    Reduce 1 x Plum tree by 3-4m and remove deadwood covered by conservation area

    31 Attimore Road Welwyn Garden City AL8 6LQ

    Received 15 Sept 2021
  22. Appeal Decided - Dismissed6/2022/1107/OUTLINE

    Outline Application for the development of up to 33 dwellings (Use Class C3) together with all ancillary works (all matters reserved except access) at land at Roebuck Farm, Lemsford Village

    Roebuck Farm Lemsford Village Lemsford AL8 7TW

    Received 12 May 2022
  23. Decided - Granted6/2018/0061/EM

    Removal of 1 x Hawthorn tree

    29 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 25 Oct 2017
  24. Decided - Granted6/2016/0946/RM

    Approval of reserved matter (Appearance) for the erection of 5no dwellings and stables block following approval of outline planning application S6/2014/1403/OP

    The Firs Farm Stables, Woodside Lane, Hatfield, AL9 6DF

    Received 16 May 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

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