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
39,585Searchable applications
344Recorded as pending
86%Approval rate · 33,130 approved or refused records
4,738Refused applications

28,392 approved · 4,738 refused · 2,168 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2006/0188/OP

    OUTLINE APPLICATION FOR THE DEMOLITION OF TWO DWELLINGS AND ERECTION OF 8 TWO-BEDROOM RETIREMENT HOMES, 1 WARDEN UNIT, STAFF/OFFICE, COMMUNAL FACILITIES, ACCESS AND PARKING

    LAND AT, 11 & 15 KERDISTONE CLOSE, LITTLE HEATH, POTTERS BAR, HERTFORDSHIRE, EN6 1LG

    Received 13 Feb 2006
  2. Decided - Refused6/2017/1552/HOUSE

    Erection of a single storey side and front extension

    109 Newgate Street Village Hertford SG13 8QR

    Received 17 Jul 2017
  3. Decided6/2023/1861/TC

    T5 Lime - lateral crown reduction of growth by 2.5m on overhanging branches to 6 Handside Green

    7 Handside Green Welwyn Garden City AL8 6SQ

    Received 7 Sept 2023
  4. Decided - Granted6/2016/0346/LAWP

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

    19 Tolmers Road, Cuffley, Potters Bar, EN6 4JF

    Received 29 Feb 2016
  5. Decided - GrantedS6/2008/2111/FP

    ERECTION OF TWO, 2 BEDROOM FLATS WITH ASSOCIATED PARKING

    Land adjoining 11 Broom Close Hatfield AL10 9DL

    Received 10 Nov 2008
  6. Decided - Refused6/2025/0598/HOUSE

    Erection of a single storey rear extension incorporating a flat roof roof-light. Associated works to include all gable roofs to be re-laid with new felt and battens reusing existing plain clay tiles. Replacing existing timber casement windows to the rear facing elevation with new timber casement windows. Inserting a conservation roof-light to the rear existing extension

    10 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 28 Mar 2025
  7. Decided - GrantedN6/2009/2415/TE

    REDUCE POPLAR TREE BY 25%

    38 KIRKLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RD

    Received 6 Nov 2009
  8. Decided - Granted6/2016/1092/HOUSE

    Erection of single storey extension, front porch and alterations to the roof above the existing single storey front and side additions

    18 Roman Way Welwyn AL6 9RJ

    Received 2 Jun 2016
  9. Decided - Granted6/2018/2791/HOUSE

    Partial garage conversion and single storey rear extension

    8 The Brambles Welwyn AL6 0PG

    Received 30 Oct 2018
  10. Decided - Granted6/2018/3197/EM

    Formation of Hardstanding

    15A Guessens Road Welwyn Garden City AL8 6QL

    Received 17 Dec 2018
  11. Decided - Granted6/2017/2504/COND

    Submission of details pursuant to condition 1 (colour of lighting columns) on planning permission 6/2017/1659/FULL.

    Welwyn Tennis Club Ottway Walk Welwyn AL6 9AT

    Received 27 Oct 2017
  12. Decided - GrantedN6/2014/1489/DS

    Approval of details reserved by condition 3 (materials) of planning permission N6/2014/0334/FP

    53 Newfields, Welwyn Garden City, AL8 6YS

    Received 3 Jul 2014
  13. Decided - Granted6/2025/0867/EMT

    Removal of dead Birch Tree from Front Garden

    4 The Old Drive Welwyn Garden City AL8

    Received 9 May 2025
  14. Decided - Refused6/2024/0259/HOUSE

    Erection of single storey extension to link existing house and outbuilding, conversion of outbuilding into habitable space and internal alterations including general and external refurbishment

    1 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN

    Received 7 Feb 2024
  15. Decided - Granted6/2026/1290/HOUSE

    Erection of a single-storey rear extension, insertion of rooflights, subterranean basement with vehicle access lift, conversion of garage loft into a habitable room with rooflights.

    The Beeches Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ

    Received 22 Jul 2026
  16. Decided - Granted6/2020/0397/TPO

    Reduce 1 x Oak (T1) TPO 640 (2017) G6 by 25% and crown lift to 7m Reduce 1 x Oak (T3) TPO 24) A3 by 25% and crown lift to 4m Reduce 1 x Pine (T2) TPO 640 (2017) G6 by 25%

    2 The Drive Welwyn AL6 0TR

    Received 12 Feb 2020
  17. Decided - GrantedS6/2007/1721/FP

    CONVERSION OF EXISTING FIRST FLOOR TO THREE SELF-CONTAINED FLATS, ERECTION OF A TWO STOREY REAR EXTENSION AND VARIOUS EXTERNAL WORKS ASSOCIATED WITH THE PROPOSED RESIDENTIAL USE INCLUDING PROVISION OF FOUR DESIGNATED PARKING SPACES, AMENITY SPACE AND LANDSCAPING.

    Former Public House 59 Station Road Cuffley Potters Bar EN6 4HX

    Received 14 Nov 2007
  18. Decided - Granted6/2018/0186/COND

    Submission of details pursuant to condition 1 (material samples) and 6 (construction method statement) on planning permission 6/2017/1422/FULL

    30 Upland Drive Brookmans Park Hatfield AL9 6PT

    Received 19 Jan 2018
  19. Decided - GrantedW6/2015/0481/TE

    Reduce Eucalyptus tree by 30%

    86 Lodgefield, Welwyn Garden City, AL7 1SE

    Received 9 Mar 2015
  20. Decided - GrantedS6/2008/0134/FP

    ERECTION OF NEW MEETING HALL, FOLLOWING DEMOLITION OF EXISITING HALL

    Birchwood Methodist Church Heathcote Avenue Hatfield AL10 0RH

    Received 24 Jan 2008
  21. Decided - Granted6/2020/1236/EM

    Replacement of existing concrete driveway with a new resin permeable driveway with soakaway. Increase in areas of planting / soft landscaping.

    9 Colgrove Welwyn Garden City AL8 6HY

    Received 2 Jun 2020
  22. Decided - GrantedN6/2010/0285/LU

    CERTIFICATE OF LAWFULLNESS FOR PROPOSED LOFT CONVERSION

    7 Turpins Chase Welwyn AL6 0QZ

    Received 12 Feb 2010
  23. Decided - Granted6/2021/0670/EMH

    Erection of outbuilding in rear

    8 Archers Ride Welwyn Garden City AL7 4PS

    Received 1 Mar 2021
  24. Decided - Granted6/2025/2003/COND

    Submission of details pursuant to condition number 13 (Landscape details), 14 (Landscape and Biodiversity Management Plan), 41 (Scaled Landscape Plan) and 42 (Landscape and Ecology) on planning permission 6/2019/2714/OUTLINE

    YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL

    Received 17 Sept 2025

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

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  • 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