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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/0390/TC

    FELLING OF SYCAMORE TREE AND REMOVAL OF LEYANDII HEDGE IN REAR GARDEN

    5 LITTLE YOUNGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SL

    Received 26 Feb 2009
  2. Decided - Refused6/2026/0727/HOUSE

    Erection of a single storey rear extension and front extension, part single storey, part two storey side extension, alterations to the roof including the enlargement and replacement of existing dormers, installation of additional flat roof dormers, and insertion of rooflights and solar panels; replacement of existing pebble dash with off white render and alterations to fenestration

    34 Northaw Road East Cuffley Potters Bar EN6 4LL

    Received 24 Apr 2026
  3. Decided - RefusedN6/2008/0232/LU

    CERTIFICATE OF LAWFULLNESS FOR THE EXISTING USE OF THE COTTAGE AS A SEPARATE SELF-CONTAINED DWELLING

    57 Lemsford Village, Welwyn Garden City, AL8 7TR

    Received 7 Feb 2008
  4. Decided - Granted6/2018/1638/EM

    Erection of greenhouse

    17 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 22 Jun 2018
  5. Decided - Granted6/2024/1404/EMT

    FRONT GARDEN Ash on frontage to fell Holly 1m off front porch elevation to fell REAR GARDEN Cypress in corner of garden to fell Sorbus dead to fell Cypress growing up garden wall to fell Ash with ash die back to fell No replacement tree planting within the property is proposed. Both the front and rear gardens are very small.

    11 Well Garth Welwyn Garden City AL7 3AF

    Received 23 Jul 2024
  6. Decided - GrantedW6/2006/0276/EM

    INSTALLATION OF ROOFLIGHTS TO REAR ELEVATION AND GABLE END

    28 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 6 Mar 2006
  7. Decided - Granted6/2026/0150/HOUSE

    Erection of a single storey rear extension following the demolition of the existing conservatory

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Received 29 Jan 2026
  8. Decided - RefusedS6/2008/1289/FP

    ERECTION OF DETACHED DWELLING AND CHALET BUNGALOW FOLLOWING DEMOLITION OF EXISTING DWELLING - AMENDMENTS TO APPROVED PLANNING APPLICATION S6/2007/1447/FP

    36 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTS, EN6 4QA

    Received 26 Jul 2008
  9. Decided6/2020/0887/TC

    Fell 1x dead and dangerous Poplar tree [T10] Thin 1x Poplar tree crown by 15% [T12]

    The Manor House Hill Farm Lane Welwyn AL6 9BP

    Received 16 Apr 2020
  10. Decided - Granted6/2018/0227/LB

    Internal alterations in relation to the change of use from play room/meeting room (B1) to a 1-bedroom self-catered holiday let.

    Lockley Farm Welwyn AL6 0BL

    Received 23 Jan 2018
  11. Appealed6/2021/3202/EMH

    Replace front door of dwelling

    14 Kilworth Close Welwyn Garden City AL7 3HR

    Received 9 Nov 2021
  12. Decided - Granted6/2023/2156/EMT

    1 x Beech to reduce by approximately 2m height and 2m width. Dominating a large area of garden 1 x Judas to fell to ground level. Tree is declining and in poor condition

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 23 Oct 2023
  13. Decided - RefusedS6/2007/1648/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    15 THEOBALDS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4HQ

    Received 2 Nov 2007
  14. Decided - Granted6/2015/1927/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m deep by 2.83m high with eaves of 2.63m

    81 Howlands, Welwyn Garden City, AL7 4RA

    Received 14 Sept 2015
  15. Decided - GrantedN6/2015/0409/EI

    Request for scoping opinion under the Town and Country Planning Act 1990 (as amended) Environmental Impact Aassessment Regulations 2011

    Former Shredded Wheat Factory, Bridge Road, Welwyn Garden City, AL8 6UN

    Received 20 Feb 2015
  16. Decided - GrantedW6/2013/0368/EM

    Erection of single storey side extension

    10 Attimore Road, WELWYN GARDEN CITY, AL8 6LW

    Received 25 Feb 2013
  17. Decided - Granted6/2016/2228/EM

    Fell Cherry tree to ground level

    20 Stanborough Road Welwyn Garden City AL8 6XD

    Received 12 Oct 2016
  18. Decided - GrantedN6/2009/2288/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND RAISING PART OF FLAT ROOF

    30 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JS

    Received 14 Oct 2009
  19. DecidedN6/2008/1985/TC

    REDUCTION OF OAK TREE BY 25%, IN REAR GARDEN

    1 GUESSENS WALK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QS

    Received 14 Oct 2008
  20. Decided - GrantedN6/2014/2085/FP

    Erection of single storey rear and side extension to link house to existing detached garage

    115 Brooksfield, Welwyn Garden City, AL7 2BL

    Received 22 Sept 2014
  21. Decided - Granted6/2024/0700/EM

    Change of use of an integral garage to a living space

    1 Strawfields Welwyn Garden City AL7 1RB

    Received 15 Apr 2024
  22. Appeal Decided - DismissedS6/2013/1605/FP

    Erection of two dormer windows to rear elevation

    The Bungalows, Woodcock Hill, Ayot St Lawrence, St Albans, AL4 9HJ

    Received 23 Jul 2013
  23. Decided - Granted6/2015/2294/EM

    Removal of Black Poplar tree

    49 Fordwich Road, Welwyn Garden City, AL8 7BJ

    Received 9 Nov 2015
  24. Decided - GrantedW6/2014/1306/EM

    Erection of two storey and single storey rear extension

    37 Longlands Road, Welwyn Garden City, AL7 3QD

    Received 10 Jun 2014

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