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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,306Searchable applications
303Recorded as pending
87%Approval rate · 25,194 approved or refused records
3,339Refused applications

21,855 approved · 3,339 refused · 1,614 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 18 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedS6/2014/0750/FP

    Change front dormer from flat roof to pitched roof and removal of exterior cladding/rendering from front wall

    11 Church Close, Cuffley, Potters Bar, EN6 4LS

    Received 3 Apr 2014
  2. Decided - Granted6/2024/2096/EM

    Retrospective application for - replacement of an old leaking polycarbonate conservatory roof with a composite tiled conservatory roof & new glazed windows and doors. The conservatory is situated at the rear of the house

    6 Marsden Close Welwyn Garden City AL8 6YE

    Received 31 Oct 2024
  3. Decided - Granted6/2016/2107/HOUSE

    Erection of first floor rear extension with installation of 2 dormers

    109 Newgate Street Village, Hertford, SG13 8QR

    Received 7 Oct 2016
  4. Decided6/2026/0968/TC

    3 x Elms (dead) to remove to ground level. 1 x Oak to reduce decayed stem by around 3m. Reduce small overextended stem by 1.5m. 1 x Lawson cypress to remove to ground level.

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 2 Jun 2026
  5. Decided - Granted6/2017/2879/COND

    Submission of details pursuant to condition 1 (noise report required) on planning permission 6/2017/1974/FULL.

    John Lewis Plc Bridge Road Welwyn Garden City AL8 6TP

    Received 12 Dec 2017
  6. Decided - Withdrawn6/2021/2192/VAR

    Variation of condition 25 (drawing numbers), on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 20 Jul 2021
  7. Decided - Granted6/2016/2660/LB

    Extending the existing mezzanine floor internally above the pool

    1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 14 Dec 2016
  8. Decided - Split6/2025/2222/COND

    Submission of details pursuant to condition number 1 (Construction materials), 5 (Hard and soft landscaping), 7 (Samples of materials) and 8 (Noise scheme) on planning permission 6/2023/2115/FULL

    38 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 21 Oct 2025
  9. Decided - Granted6/2017/2876/EM

    Erection of a Single storey rear extension, first floor rear extension and alterations to existing openings, to include insertion of sky lights to existing roof. Proposed garage conversion, erection of garden shed and extension of existing driveway.

    23 Turmore Dale Welwyn Garden City AL8 6HT

    Received 11 Dec 2017
  10. Decided - Granted6/2018/0809/EM

    Erection of a single storey side and rear extension and a part first floor rear extension

    5 Woodland Rise Welwyn Garden City AL8 7LE

    Received 27 Mar 2018
  11. Decided - Granted6/2020/3313/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2020/0517/FULL

    Bedwell Lodge Cucumber Lane Essendon Hatfield AL9 6JB

    Received 10 Dec 2020
  12. Decided - Granted6/2021/1731/HOUSE

    Demolition of single storey extension and garden shed, erection of single storey front and rear extensions to include alterations to openings on existing side elevation and change of external finish

    36 Holme Road Hatfield AL10 9LF

    Received 2 Jun 2021
  13. Decided - Granted6/2024/0328/EMT

    T1 Yew, crown reduction by up to 1m in radius around the whole circumference and up to 2m in height. All points to suitable growth points. T2 Yew, crown reduction by up to 1m in radius around the whole circumference and up to 2m in height. All points to suitable growth points.

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 19 Feb 2024
  14. Decided - Granted6/2017/0715/COND

    Submission of details persuant to condition 1 (materials) on planning permission 6/2016/2095/LB dated 02/03/2017

    61 The Ryde Hatfield AL9 5DQ

    Received 6 Apr 2017
  15. Decided - Granted6/2018/1616/FULL

    Change of use from industrial storage (B8) to a vehicle hire facility (Sui Generis)

    29 Brownfields Welwyn Garden City AL7 1AN

    Received 19 Jun 2018
  16. Decided - Granted6/2026/0080/EMT

    Two conifer trees to reduce in height by approx 30% and shape to reduce neighbour overhang.

    29A Turmore Dale Welwyn Garden City AL8 6HT

    Received 19 Jan 2026
  17. Decided - Withdrawn6/2017/2268/HOUSE

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

    311 Knightsfield Welwyn Garden City AL8 7NJ

    Received 4 Oct 2017
  18. Decided - Granted6/2022/0697/HOUSE

    Erection of front extension

    Coverack 50 The Ridgeway Cuffley Potters Bar Hertfordshire EN6 4BA

    Received 24 Mar 2022
  19. Decided - Granted6/2025/1582/FULL

    Installation of caged plant equipment and other associated works

    71-81 Moors Walk Welwyn Garden City AL7 2BQ

    Received 22 Jul 2025
  20. Decided - Granted6/2024/1300/TPO

    Covered by TPO 496 T2. T1 & T2 Scots pine trees to be felled.

    2 Foxes Lane Cuffley EN6 4JB

    Received 9 Jul 2024
  21. Decided - Withdrawn6/2026/0684/PN8

    Prior approval for the erection of a single storey rear extension, raising of roof to existing side extension and canopy area, with polycarbonate sheeting roof measuring 4m in depth, 2.80m in height and 2.50m to the eaves

    10 West Mead Welwyn Garden City AL7 4SA

    Received 16 Apr 2026
  22. Decided6/2025/0523/TC

    3 x sycamores and 1 x ash tree to be reduced in height by 20%~25%

    Wytmead Essendon Hill Essendon Hatfield AL9 6AW

    Received 20 Mar 2025
  23. Decided - Granted6/2016/2732/HOUSE

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

    11 The Vineyard Welwyn Garden City AL8 7PY

    Received 29 Dec 2016
  24. Decided - Granted6/2015/1812/EM

    Reduce Acer tree back to previous pruning points

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 26 Aug 2015

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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.

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  • 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.

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  • 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.

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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.

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