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
40,017Searchable applications
298Recorded as pending
86%Approval rate · 33,559 approved or refused records
4,792Refused applications

28,767 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2020/2380/COND

    Submission of details pursuant to conditions 1 (external materials), 2 (windows, doors, glazed timber screens, eaves, verges and junctions) and 3 (method statement) on listed building consent 6/2020/0082/LB

    3 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB

    Received 21 Aug 2020
  2. Decided - Granted6/2022/0473/HOUSE

    Erection of front extension, 2 storey side extension, single storey rear extension.

    43 Ellenbrook Lane Hatfield AL10 9RW

    Received 28 Feb 2022
  3. Decided - Granted6/2022/0759/EM

    Erection of new 10 x 8 potting shed replacing 6 x 8 garden shed

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 29 Mar 2022
  4. Decided - Granted6/2025/1915/LAWE

    Certificate of lawfulness for existing house following alterations and extensions

    45 Kentish Lane Brookmans Park AL9 6NG

    Received 5 Sept 2025
  5. Decided6/2020/1293/TC

    Fell x2 Cypress trees

    7 Park Street Hatfield AL9 5AT

    Received 8 Jun 2020
  6. Decided - Granted6/2023/0755/EM

    Installation of solar panels to property roof

    12 The Links Welwyn Garden City AL8 7DS

    Received 5 Apr 2023
  7. Decided - Withdrawn6/2024/0814/EM

    Erection of a part single, part two storey rear extension, part demolition of existing garage, alterations to openings and extension to driveway

    29 Brockswood Lane, Welwyn Garden City, AL8 7BE

    Received 30 Apr 2024
  8. Decided - GrantedN6/2004/1572/LB

    RETENTION OF LETTERING TO FRONT ELEVATION, EXTERNALLY ILLUMINATED PROJECTING SIGN AND NON ILLUMINATED FACILITY SIGNS AND EXTERNAL FLOODLIGHTS AT THE FRONT (3No) AND TO THE REAR (2No)

    The Wellington 1 High Street Welwyn AL6 9LZ

    Received 19 Oct 2004
  9. Appeal Decided - DismissedN6/2007/1762/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSIONS

    12 Stuart Road Welwyn AL6 9JN

    Received 19 Nov 2007
  10. Decided - GrantedN6/2007/0570/FP

    ERECTION OF SINGLE STOREY FRONT/SIDE AND REAR EXTENSIONS

    17 Coneydale Welwyn Garden City AL8 7RX

    Received 4 Apr 2007
  11. Decided - GrantedW6/2004/0419/EM

    FORMATION OF NEW "IN" "OUT" ACCESS

    44 Elmwood, Welwyn Garden City, AL8 6LE

    Received 18 Mar 2004
  12. Decided - Granted6/2017/2761/FULL

    Erection of replacement fence

    Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD

    Received 27 Nov 2017
  13. DecidedN6/2009/1062/TC

    REDUCE CROWN OF OAK TREE BY 20%

    11 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTS, AL8 7JZ

    Received 15 May 2009
  14. Decided - Refused6/2020/2000/LAWP

    Certificate of lawfulness for erection of single storey porch to front elevation.

    22 The Avenue Welwyn AL6 0PP

    Received 11 Aug 2020
  15. Appeal Decided - Dismissed6/2021/2829/HOUSE

    Part two storey, part single storey front, side and rear extensions and new rear dormer and garage roof alterations

    25 The Avenue Welwyn AL6 0PW

    Received 1 Oct 2021
  16. Decided - GrantedS6/2008/0142/FP

    ERECTION OF REAR TIMBER TERRACE DECKING AND SIDE FENCE (RETROSPECTIVE APPLICATION)

    132 MOFFATS LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RW

    Received 24 Jan 2008
  17. Decided - Granted6/2016/0446/HOUSE

    Erection of single storey side/rear extension with roof lights in roof pitch following demolition of existing lean-to

    69 Cranfield Crescent, Cuffley, Potters Bar, EN6 4DZ

    Received 17 Mar 2016
  18. Decided - Granted6/2019/2929/EM

    Reduce 1x Oak tree by 30%

    27 Reddings Welwyn Garden City AL8 7LA

    Received 19 Nov 2019
  19. Decided - GrantedW6/2014/1525/TE

    Crown reduce hornbeam tree by 20%

    3 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 4 Jul 2014
  20. Decided - Granted6/2019/0266/EM

    Erection of single storey rear extension

    18 Guessens Road Welwyn Garden City AL8 6QR

    Received 5 Feb 2019
  21. Decided - GrantedN6/2009/1367/TP

    REDUCTION OF OAK CROWN BY 30%, REDUCE ASH CROWN BY 30%, FELL CHERRY TO GROUND LEVEL, REDUCE BEECH CROWN BY 30% COVERED BY TPO 194

    The Coach House 4 Digswell Hill Welwyn AL6 9AL

    Received 29 Jun 2009
  22. Decided - Granted6/2023/2373/FULL

    Retention of change of use of field to site for dog exercising, including the erection of post and wire fencing

    Meadow Farm Northaw Road West Northaw Potters Bar EN6 4QX

    Received 24 Nov 2023
  23. Decided - Granted6/2018/2948/COND

    Submission of details pursuant to condition 1 (materials samples),3 (wheel cleaning facilities), 4 (full site survey),11 (enclosure for proposed cycle parking and storage) and 14 (archaeological written scheme of investigation) on planning permission 6/2018/1029/FULL

    Diocesan Education Centre Hall Grove Welwyn Garden City AL7 4PJ

    Received 15 Nov 2018
  24. Decided - Granted6/2018/2969/HOUSE

    Installation of 3 x front rooflights and rear dormer to facilitate loft conversion

    35 Dalewood Welwyn Garden City AL7 2JP

    Received 19 Nov 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