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
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0885/HOUSE

    Erection of a part single, part two storey rear extension and two storey side extension with associated works, following the demolition of existing conservatory

    24 Selwyn Avenue Hatfield AL10 9NP

    Received 10 May 2024
  2. Decided - Granted6/2019/0479/COND

    Submission of details pursuant to condition 1 (Arboricultural report) and 3 (Badger) on planning permission 6/2018/2980/FULL

    Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR

    Received 4 Mar 2019
  3. Decided - GrantedW6/2013/1363/EM

    Erection of single storey side extension following removal of outbuilding

    24 High Oaks Road, Welwyn Garden City, AL8 7BH

    Received 2 Jul 2013
  4. Decided - GrantedS6/2008/1133/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED REAR EXTENSIONS AND ROOF ALTERATIONS

    RAYBROOK FARM, BLUEBRIDGE ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 7SX

    Received 8 Jul 2008
  5. Decided - Granted6/2025/0923/TPO

    T17 Lime tree to thin crown by 20% and reduce by 2 metres all around (to maintain size and shape). T18 Horse chestnut to reduce by 3 to 4 metres all around (to maintain size and shape). (TPO913(2023)G1)

    Hatfield Community Free School Briars Lane Hatfield AL10 8ES

    Received 19 May 2025
  6. Decided - Granted6/2024/1045/LB

    Structural repairs to roof, reinstatement of chimney stacks with installation of roof insulation & ventilation

    1 Woodhill House Kentish Lane Hatfield AL9 6JY

    Received 5 Jun 2024
  7. Decided - Granted6/2023/2321/FULL

    Erection of a new steel structure canopy (sheltering) for ventilation and storing goods for the manufacturing process and extension to existing sheltering by the west block for ventilation and storing goods for the manufacturing process

    Cuffley Gate Sopers Road Cuffley Potters Bar EN6 4RY

    Received 17 Nov 2023
  8. Appeal Decided - Dismissed6/2020/3354/LB

    Erection of a new porch/boot room located in NE end elevation

    Dimsdale House Essendon Place High Road Essendon Hatfield AL9 6GZ

    Received 15 Dec 2020
  9. Decided - GrantedS6/2014/0038/DS

    Discharge of Condition 7 (Construction Method Statement) S6/2013/0435/MA

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 8 Jan 2014
  10. Decided - Refused6/2016/1839/HOUSE

    Erection of three bay garages with office accommodation above

    Zither Great North Road Brookmans Park Hatfield AL9 6ND

    Received 7 Sept 2016
  11. Decided - Granted6/2024/2326/EM

    Proposed garage conversion and single storey rear extension. Internal and external alterations

    15 Moorside Welwyn Garden City AL7 4QH

    Received 3 Dec 2024
  12. Decided - Refused6/2022/2390/HOUSE

    Two storey rear extension and relocation of front entrance with porch canopy.

    4 Danesbury Lane Welwyn AL6 9SG

    Received 14 Oct 2022
  13. Decided - GrantedN6/2009/1269/TE

    REDCUCE WILLOW BACK TO PREVIOUS PRUNING POINTS

    LAND ADJACANT TO, 38 GREAT BREAK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EZ

    Received 24 Jun 2009
  14. Decided - GrantedN6/2010/0194/TE

    CROWN REDUCTION OF SILVER BIRCH TREE BY 20%

    6 FARM CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RP

    Received 8 Feb 2010
  15. Decided - Granted6/2023/1338/EM

    Garage conversion to include window to side elevation

    241 Daniells Welwyn Garden City AL7 1QD

    Received 28 Jun 2023
  16. Appeal Decided - AllowedS6/2010/0204/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION AND ENLARGED FRONT DORMER

    29 ST ALBANS ROAD EAST, HATFIELD, HERTFORDSHIRE, AL10 0EJ

    Received 2 Feb 2010
  17. Decided - Granted6/2019/3187/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.35m in height and 2.57m to the eaves

    24 Cherry Way Hatfield AL10 8LE

    Received 16 Dec 2019
  18. Decided - RefusedW6/2006/0584/EM

    ERECTION OF A FIRST FLOOR SIDE EXTENSION

    14 Lumbards, Welwyn Garden City, AL7 1PQ

    Received 3 May 2006
  19. Decided - Granted6/2020/2767/EMH

    Erection of a single storey rear extension

    86 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 22 Oct 2020
  20. Decided - Granted6/2019/2862/HOUSE

    Retention of a single storey front and side extension, alterations to openings and installation of rear dormer to facilitate loft conversion

    97 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 13 Nov 2019
  21. Decided - Granted6/2019/0709/COND

    Submission of details pursuant to condition 10 (Access) 11 (Parking Management Plan) 12 (Car Park Layout) 14 (Cycle Storage) on planning permission 6/2015/1774/MAJ

    71 Great North Road Hatfield AL9 5EN

    Received 25 Mar 2019
  22. Decided - Granted6/2016/1174/VAR

    Variation of condition 1 (drawings) on planning permission 6/2015/2127/FULL

    33 Upland Drive, Brookmans Park, Hatfield, AL9 6PT

    Received 14 Jun 2016
  23. Decided - Granted6/2023/1597/VAR

    Variation of condition 2 (approved plans) on appeal, Planning reference 6/2020/0546/HOUSE

    Heathfield 1 Pottersheath Road Welwyn AL6 9TA

    Received 1 Aug 2023
  24. Decided - Granted6/2020/0028/EM

    Reduce conifers row by 50%

    120 Haldens Welwyn Garden City AL7 1DG

    Received 8 Jan 2020

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