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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
24,508Searchable applications
313Recorded as pending
86%Approval rate · 20,082 approved or refused records
2,778Refused applications

17,304 approved · 2,778 refused · 1,286 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1587/EM

    Erection of a rear conservatory

    10 Meadow Green Welwyn Garden City AL8 6SS

    Received 20 Jul 2017
  2. Decided - Granted6/2017/0359/EM

    Erection of summer house in rear garden.

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 22 Feb 2017
  3. Appeal Decided - Allowed6/2017/0834/HOUSE

    Erection of part single storey, single storey lean-to and double storey side extensions, with alterations to openings/fenestrations and the installation of 5 rooflights. Erection of porch to West elevation following the infill of existing.

    14A Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 21 Apr 2017
  4. Decided6/2021/1006/TC

    Section of Lonicera hedging to fell and grind and replant with Beech hedge.

    22 Fordwich Road Welwyn Garden City AL8 6EY

    Received 26 Mar 2021
  5. Decided - Granted6/2023/0378/EMT

    1 x Silver birch to dismantle in sections to ground level

    10 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 17 Feb 2023
  6. Decided - Granted6/2022/0753/EM

    Replacement of front door Currently a white UPVC half glazed front door and for security and energy saving purposes proposed change to a white, composite door with smaller glazed window.

    12 Hurstlings Welwyn Garden City AL7 3LX

    Received 29 Mar 2022
  7. Decided - Granted6/2020/2547/EM

    Erection of 5x3m garden shed (timber, tongue and groove), following removal of existing 3x1.5m garden shed.

    3 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 1 Oct 2020
  8. Decided - Granted6/2016/1722/EM

    Reduce 1 Lilac tree by 1m on height and width, reduce 1 Laurel tree by 3m in height and trim sides plus reduce 1 Cotoneaster tree by 4-5m in height

    14 Little Dell, Welwyn Garden City, AL8 7HZ

    Received 23 Aug 2016
  9. Decided - Granted6/2025/0976/EMT

    1 x Sycamore in the Garden of 9 High Oaks Road - to reduce back lateral branches growing over the tennis courts at the back by 2m

    9 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 27 May 2025
  10. Decided - Granted6/2022/1696/EMT

    1 x Cherry to fell to ground level - Cherry has decay throughout the stem. Crown is showing signs of decline

    69 Valley Road Welwyn Garden City AL8 7DR

    Received 18 Jul 2022
  11. Decided6/2026/1037/TC

    Fell birch.

    6 Hobbs Hill Welwyn AL6 9DS

    Received 15 Jun 2026
  12. Decided - Granted6/2019/2961/TPO

    Reduce 1x Oak tree (T4) by 2m (TPO 733)

    38 Reddings Welwyn Garden City AL8 7LA

    Received 26 Nov 2019
  13. Decided6/2019/2834/TC

    4 x Ash to reduce by around 4m height & 1.5m width. 1 x Hazel to reduce by 3m height. 1 x Sycamore to reduce by around 3m height & 1.5m width. 1 x Portugal Laurel to reduce by 2.5m height & trim side. 3 x Ash to reduce by 4m height & 1.5m width. 1 x Cherry to reduce by 2m height & width 2 x Apples to reduce by 1m.

    15 The Old Drive Welwyn Garden City AL8 6TB

    Received 8 Nov 2019
  14. Decided - Refused6/2017/0794/LB

    Erection of single storey side conservatory following part demolition of single storey side and rear extension, installation of dormer window to front elevation and internal alterations.

    16 Northaw Road West, Northaw, Potters Bar, EN6 4NR

    Received 19 Apr 2017
  15. Decided - Granted6/2024/1110/LAWE

    Certificate of existing lawfulness for the use of site as restaurant (use Class E (b))

    The Stanborough Beefeater Stanborough Road Welwyn Garden City AL8 6DQ

    Received 14 Jun 2024
  16. Decided - Granted6/2016/1194/EM

    Reduce 3 Hornbeam trees by 20%

    7 Coneydale, Welwyn Garden City, AL8 7RX

    Received 9 Jun 2016
  17. Decided - Refused6/2018/3053/EM

    Erection of single storey rear extension and alterations to openings with rear/front dormers

    18 Guessens Road Welwyn Garden City AL8 6QR

    Received 29 Nov 2018
  18. Decided - Refused6/2018/0445/HOUSE

    Installation of 3 x front rooflights and 3 x front dormer windows to facilitate conversion of loft to habitable space

    6 Swanland Road North Mymms Hatfield AL9 7TG

    Received 9 Feb 2018
  19. Decided - Granted6/2017/1351/EM

    Erection of proposed climbing frame in rear garden

    150 Heronswood Road Welwyn Garden City AL7 3EU

    Received 22 Jun 2017
  20. Decided - Granted6/2025/2181/LAWP

    Certificate of lawfulness for loft extension and elevational alterations

    1 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 14 Oct 2025
  21. Decided - Granted6/2024/1880/EMT

    1 x Pittosporum to reduce by approximately 2m in height, reduce width over neighbouring garden by approximately 2-2.5m, remaining width to reduce by 1.5m.

    18 Marsden Road Welwyn Garden City AL8 6XZ

    Received 30 Sept 2024
  22. Decided - Granted6/2016/1430/PN8

    Prior approval for the erection of single storey rear conservatory, measuring 4.6m. in depth, 2.54m. by the eaves and 3.77m. in height

    15 North Ride Welwyn AL6 9RD

    Received 11 Jul 2016
  23. Decided - Granted6/2016/1887/TPO

    Laburnum tree (L1) - crown reduction by 20% - Conservation Area

    46 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 12 Sept 2016
  24. Decided - Refused6/2022/0718/HOUSE

    Erection of two storey side and rear extension

    37 Meadway Welwyn Garden City Hertfordshire AL7 4NQ

    Received 28 Mar 2022

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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    Published Updated

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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