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
40,118Searchable applications
300Recorded as pending
86%Approval rate · 33,650 approved or refused records
4,801Refused applications

28,849 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1689/EM

    Erection of part single, part two storey side and rear extension, to include replacement of garage doors and enlargement to existing driveway

    28 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 25 Jun 2018
  2. Decided - Granted6/2020/2082/FULL

    Erection of a part single, part two storey roof extension to create additional commercial floorspace.

    Units 10, 11 and 12 Garden Court Business Centre Garden Court Welwyn Garden City AL7 1BH

    Received 18 Aug 2020
  3. Decided - RefusedN6/2014/1514/LUP

    Certificate of lawfulness for the erection of single storey side and rear and two storey rear extensions

    24 Windsor Road Welwyn AL6 9JJ

    Received 1 Jul 2014
  4. Decided - Granted6/2023/1444/VAR

    Variation of condition 4 (plans) on planning permission 6/2021/1597/HOUSE

    1 Barneswood Harmer Green Lane Welwyn AL6 0EU

    Received 11 Jul 2023
  5. Decided - Granted6/2020/0477/EM

    Erection of part first floor & single storey rear & side extensions

    12 Archers Ride Welwyn Garden City AL7 4PS

    Received 19 Feb 2020
  6. Decided - Granted6/2025/0530/EM

    To install 16 solar panels and a solar battery as outlined in the attached plan

    239 Daniells Welwyn Garden City AL7 1QD

    Received 20 Mar 2025
  7. Decided - Refused6/2022/0028/HOUSE

    Conversion of garage and front extension, single storey rear extension, raised patio, and loft conversion with rear facing dormer windows

    13 Colgrove Welwyn Garden City AL8 6HY

    Received 5 Jan 2022
  8. Decided - GrantedW6/2006/0099/EM

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    9 Little Lake, Welwyn Garden City, AL7 4RT

    Received 24 Jan 2006
  9. Decided - Refused6/2017/2276/HOUSE

    Erection of part single storey and part two storey rear extension, installation of dormer, gable roof, increase in roof height and alterations of openings following removal of existing chimney.

    2 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 4 Oct 2017
  10. Decided - Granted6/2022/1932/HOUSE

    Two storey side extension, single storey rear extension, front porch and external alterations following demolition of single storey side garage, porch and rear studio.

    Herons 21 New Road Digswell Welwyn AL6 0AQ

    Received 17 Aug 2022
  11. Decided - Granted6/2023/2130/EM

    Erection of a single storey rear extension with insertion of rooflight and garage conversion

    54 Marsden Green Welwyn Garden City AL8 6YB

    Received 19 Oct 2023
  12. Decided - GrantedN6/2009/1318/FP

    CHANGE OF USE FROM B1 TO D1 (PHYSIOTHERAPY CLINIC)

    UNIT 12B WELTECH CENTRE, RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2AA

    Received 16 Jun 2009
  13. Decided - GrantedN6/2013/1052/LB

    Alterations to external walls on front, north and south elevations, works to include re-pointing, re-rendering and painting of brick work

    11A High Street Welwyn AL6 9EE

    Received 14 May 2013
  14. Decided - GrantedS6/2004/0718/FP

    ERECTION OF ONE DETACHED DWELLING HOUSE, AND GARAGE (REVISION TO S6/2003/1198/FP GRANTED 18/11/03)

    UNIT G, ESSENDON PLACE, HIGH ROAD, HATFIELD, HERTFORDSHIRE, AL9 6HX

    Received 13 May 2004
  15. Decided - Granted6/2024/2117/HOUSE

    Erection of single storey rear/side extension following demolition of garage

    2 Pooleys Lane Welham Green Hatfield AL9 7LH

    Received 4 Nov 2024
  16. Decided - Granted6/2020/3149/HOUSE

    Erection of a single storey front extension, single storey side extension, part two storey and part single storey rear extension to dwellinghouse

    9 Huggins Lane Welham Green Hatfield AL9 7LT

    Received 27 Oct 2020
  17. Decided - Granted6/2016/1680/LB

    Refurbishment of existing public house

    The Crooked Chimney, Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE

    Received 16 Aug 2016
  18. Decided - GrantedN6/2010/0313/NM

    NON MATERIAL AMENDMENT FOR REMOVAL OF REAR PARAPET FROM PLANNING PERMISSION N6/2009/375/FP

    15 BIRDCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EH

    Received 18 Feb 2010
  19. Decided - GrantedN6/2014/0012/FP

    Erection of single storey front extension

    9 Briary Wood Lane Welwyn AL6 0TE

    Received 6 Jan 2014
  20. Decided - GrantedS6/2004/0538/CD

    NEW MOBILE CLASSROOM UNIT

    The Park Esc New Barnfield Travellers Lane Hatfield

    Received 31 Mar 2004
  21. Decided - Granted6/2017/1697/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.3m in depth, 3.208m in height and 3.0m to the eaves.

    49 Meadway Welwyn Garden City AL7 4NQ

    Received 1 Aug 2017
  22. Decided - GrantedS6/2009/0177/FP

    RETENTION OF SHOPFRONT AND EXTERNALLY FITTED ROLLER SHUTTER

    LADBROKES, 6 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ

    Received 24 Feb 2009
  23. Decided - GrantedN6/2013/2552/FP

    Retention of existing shed and proposed new fence

    Vita Ristorante 12 High Street Welwyn AL6 9EQ

    Received 4 Dec 2013
  24. Decided - Granted6/2017/1713/TPO

    TPO 123 & 210: Hornbeam x12 - Reduction in height of 2-3m and reduce lateral branches over hanging 4 The Brambles by 1-2 m.

    4 The Brambles Welwyn AL6 0PG

    Received 3 Aug 2017

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

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