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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
21,507Searchable applications
298Recorded as pending
86%Approval rate · 17,401 approved or refused records
2,469Refused applications

14,932 approved · 2,469 refused · 1,102 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0772/COND

    Submission of details pursuant to condition number 1 (additional drawings) on planning permission (6/2020/2990/HOUSE)

    Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY

    Received 10 Mar 2021
  2. Decided - Withdrawn6/2025/1227/EM

    Erection of part two storey, part single storey side extension and formation of new parking space & crossover, following demolition of existing single storey side extension and part of attached tandem garage

    6 Densley Close Welwyn Garden City AL8 7JX

    Received 17 Jun 2025
  3. Decided - Refused6/2020/2702/HOUSE

    Single storey rear extension, Repositioned swimming pool, New fencing to side boundary

    East Ridge House 9A East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 16 Oct 2020
  4. Decided - Granted6/2023/2380/EM

    Erection of single storey rear extension

    31 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 27 Nov 2023
  5. Decided6/2024/0034/TC

    T1 Remove dead fir tree; T2 Reduce height of bay tree by 4-5m; and T3 Reduce height of holly tree by 3-4m

    24 Fearnley Road Welwyn Garden City AL8 6HW

    Received 4 Jan 2024
  6. Decided - Granted6/2024/0917/COND

    Submission of details pursuant to condition number 2 (Construction Method Statement) and 3 (materials samples), on planning permission 6/2022/1519/HOUSE

    9 Codicote Road Welwyn AL6 9ND

    Received 16 May 2024
  7. Decided - Granted6/2020/1462/COND

    Submission of details pursuant to condition 10 (details of any internal or external lighting), condition 11 (details of public realm improvements), condition 12 (motorcycle and cycle parking provisions) and condition 13 (landscaping scheme) on planning permission 6/2019/2478/MAJ

    22 The Common Hatfield AL10 0ND

    Received 23 Jun 2020
  8. Decided6/2021/0863/TC

    Reduce 2 x Cherry by 1.5m height and 1m width

    24 Sheepcote Welwyn Garden City AL7 4QD

    Received 17 Mar 2021
  9. Decided - Granted6/2023/1786/FULL

    Removal of bay window feature and replacement of existing door and windows with two new doors and a window. Render to front elevation

    22A London Road Woolmer Green SG3 6JP

    Received 25 Aug 2023
  10. Decided - Granted6/2020/0538/HOUSE

    Creation of additional access and erection of gates, piers, walls and railings

    7 The Ridgeway, Cuffley, Potters Bar, EN6 4AY

    Received 25 Feb 2020
  11. Appeal Decided - Dismissed6/2022/0491/HOUSE

    Erection of single storey rear extension (part retrospective) and addition of rendering to property following refusal 6/2021/1994/HOUSE

    12 Elmoor Avenue Welwyn AL6 9PA

    Received 2 Mar 2022
  12. Appeal Decided - Dismissed6/2022/1015/FULL

    Demolition of existing property and erection of new dwelling

    110 Hawkshead Road Little Heath Potters Bar EN6 1NG

    Received 29 Apr 2022
  13. Decided - Granted6/2018/3136/COND

    Discharge of conditions 5 (Method Statement for all recommendations listed with the Ecological Impact assessment) and 25 (Material Samples) on approved planning application 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 10 Dec 2018
  14. Decided - Withdrawn6/2017/2409/HOUSE

    Erection of two storey rear and part first floor side extension, balcony and alterations to fenestration

    4 Hurst Close Welwyn Garden City AL7 2HX

    Received 19 Oct 2017
  15. Decided - Granted6/2020/1199/EM

    Replacement of summerhouse

    9 High Grove Welwyn Garden City AL8 7DW

    Received 25 May 2020
  16. Decided - Granted6/2019/0804/HOUSE

    Replacement of windows and doors to timber

    31-33 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 1 Apr 2019
  17. Decided - Granted6/2021/2598/HOUSE

    Erection of single storey front and rear extensions, and conversion of garage to habitable room

    14 Lords Wood Welwyn Garden City AL7 2HF

    Received 7 Sept 2021
  18. Under Consideration6/2025/2157/COND

    Submission of details pursuant to condition 1 (Biodiversity Net Gain Plan), on planning permission 6/2025/0855/FULL

    Boltons Park Farm 44 Hawkshead Road Little Heath Potters Bar EN6 1NB

    Received 10 Oct 2025
  19. Decided6/2024/1168/TC

    ASCT001 White Willow - Pollard at approx 9m ASCT002 White Willow - Pollard at approx 9m

    7 Orchard Road Welwyn Hertfordshire AL6 9EX

    Received 24 Jun 2024
  20. Decided6/2026/0498/TC

    T1 Poplar to fell.

    101 Handside Lane Welwyn Garden City AL8 6SP

    Received 17 Mar 2026
  21. Decided - Granted6/2019/1522/EM

    Fell 1 x Silver birch tree Fell 1 x Cherry tree

    2 The Valley Green Welwyn Garden City AL8 7DQ

    Received 20 Jun 2019
  22. Decided - Granted6/2020/0951/EM

    Erection of single storey rear extension

    25 Rosedale Welwyn Garden City AL7 1DW

    Received 28 Apr 2020
  23. Decided - Granted6/2026/1064/LAWP

    Certificate of lawfulness for proposed front hardstanding and vehicle crossover

    57 Broadwater Crescent Welwyn Garden City AL7 3TS

    Received 18 Jun 2026
  24. Decided - Refused6/2024/0345/HOUSE

    Erection of single storey side, single storey rear extensions and replacement garage. Landscape works and boundary treatments

    16 Guessens Road Welwyn Garden City AL8 6QR

    Received 22 Feb 2024

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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