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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
23,478Searchable applications
313Recorded as pending
86%Approval rate · 19,173 approved or refused records
2,680Refused applications

16,493 approved · 2,680 refused · 1,212 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/1404/HOUSE

    Erection of single storey rear extension, front infill extension and alterations to fenestration

    3 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 4 May 2021
  2. Decided - Granted6/2024/0682/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.6m in depth, 2.8m in height and 2.8m to the eaves

    7 Magpie Walk Hatfield AL10 8RF

    Received 10 Apr 2024
  3. Decided - Granted6/2020/1653/HOUSE

    Erection of single storey rear extension

    21 Hawkshead Road Little Heath Potters Bar EN6 1NA

    Received 9 Jul 2020
  4. Decided - Granted6/2025/1698/COND

    Submission of details pursuant of condition 1 (Biodiversity Gain Plan) and condition 5 (Habitat Management and Monitoring Plan) on planning permission 6/2024/1323/MAJ

    Premier Inn Lemsford Road Hatfield AL10 0DA

    Received 7 Aug 2025
  5. Decided - Granted6/2019/0296/VAR

    Variation of condition 4 (approved drawings) on planning permission 6/2018/1730/HOUSE

    7 The Grove, Brookmans Park, Hatfield, AL9 7RL

    Received 8 Feb 2019
  6. Decided - Granted6/2024/0390/EM

    Erection of a single storey rear extension

    17 Boundary Lane Welwyn Garden City AL7 4EF

    Received 28 Feb 2024
  7. Decided - Granted6/2025/0636/LAWE

    Certificate of lawfulness for the constructive start of planning permission 6/2021/1282/FULL (APP/C1950/W/21/3279134)

    45 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 2 Apr 2025
  8. Decided6/2022/1310/TC

    T1 Pine - Fell to ground level. T2 Ash - Reduce by 3 metres in height. T3 Sycamore - Fell to ground level. T4 Pine - Fell to ground level. T5 Oak - Reduce crown by 1.5 metres.

    1 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 7 Jun 2022
  9. Decided - Granted6/2017/0269/HOUSE

    Erection of single storey, part two storey rear extension and alterations to existing openings.

    25 Fordwich Road Welwyn Garden City AL8 6EX

    Received 13 Feb 2017
  10. Decided - Granted6/2025/2161/EM

    Replacement of old roof tiles with as close a match as possible to the existing tiles

    50 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 10 Oct 2025
  11. Decided6/2025/1838/TC

    To fell dead monkey puzzle. To reduce failing cherry by approx 4m and prune to shape. To fell small spruce

    56 Blakemere Road Welwyn Garden City AL8 7PN

    Received 28 Aug 2025
  12. Decided - Granted6/2022/1321/EM

    Single storey rear extension with white painted render finish following revision to existing approval

    59 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 8 Jun 2022
  13. Decided - Granted6/2017/0414/EM

    Erection of summer house in rear garden

    12 Pentley Close Welwyn Garden City AL8 7SH

    Received 1 Mar 2017
  14. Decided - Granted6/2026/0003/HOUSE

    Erection of two storey rear extension and replacement of existing windows

    99 Ridgeway Welwyn Garden City AL7 2DB

    Received 2 Jan 2026
  15. Decided - Refused6/2020/1348/PN8

    Prior approval for erection for single storey rear extension measuring 3.50m in depth, 3.54m in height and 2.60m to the eaves

    24 The Shaws Welwyn Garden City AL7 2HR

    Received 12 Jun 2020
  16. Decided - Granted6/2022/0147/EMT

    Fell 3 Lawson Cypress

    6 Handside Close Welwyn Garden City AL8 6SR

    Received 20 Jan 2022
  17. Decided - RefusedN6/2015/0533/FP

    Temporary permission for five years for a semi-permanent marquee in association with the watersports facilities, to include the levelling and resurfacing of the dinghy park

    Stanborough Park, Stanborough Road, Welwyn Garden City, AL8 6DF

    Received 11 Mar 2015
  18. Decided - Granted6/2018/1040/LAWP

    Certificate of lawfulness for the construction of a single storey rear extension plus loft conversion with rear dormer

    31 Great Ley Welwyn Garden City AL7 4TJ

    Received 18 Apr 2018
  19. Decided - Granted6/2022/2900/PN15

    Prior approval for the installation of proposed 16.0m Phase 8 Monopole C/W wraparound Cabinet at base and associated ancillary works.

    Roehyde Way Hilltop Hatfield AL10 9DL

    Received 22 Dec 2022
  20. Site Visit Completed6/2016/2207/EM

    Formation of a hardstanding within the frontage

    63 Lumbards Welwyn Garden City AL7 1PW

    Received 20 Oct 2016
  21. Decided - Granted6/2016/1854/HOUSE

    Erection of single storey front, rear and side extensions

    29 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BY

    Received 8 Sept 2016
  22. Decided - Granted6/2017/0123/TPO

    Hornbeam (T3) remove smaller stem to reduce overcrowding with neighbouring Oak (T2) covered by TPO99 (1985)

    1 Juniper Gardens Welwyn AL6 0XH

    Received 24 Jan 2017
  23. Decided - Refused6/2018/1391/PN11

    Prior approval for change of use of the first, second and third floors from office (B1(a)) to residential (C3)

    Norton Building Bridge Road East Welwyn Garden City AL7 1JR

    Received 18 May 2018
  24. Decided - Refused6/2018/2209/EM

    Erection of 6ft fence after removal of existing conifer hedge

    1 Strawfields Welwyn Garden City AL7 1RB

    Received 28 Aug 2018

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

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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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