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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
32,079Searchable applications
303Recorded as pending
87%Approval rate · 26,815 approved or refused records
3,510Refused applications

23,305 approved · 3,510 refused · 1,690 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1459/EMT

    1 x Cherry Plum to remove to ground level - Dead. 1 x Hawthorn to lift to 2m, cut back lateral growth over shed by 1m. 1 x Yew to reduce width over shrub area by approximately 1.2m

    3 Handside Close Welwyn Garden City AL8 6SR

    Received 1 Aug 2024
  2. Decided - Granted6/2019/0022/HOUSE

    Formation of a crossover and erection of entrance gates

    79 The Ridgeway, Cuffley, Potters Bar, EN6 4BD

    Received 4 Jan 2019
  3. Decided6/2019/2413/TC

    Reduce 1 x Ash Tree by 30%

    8 Walden Place Welwyn Garden City AL8 7PG

    Received 30 Sept 2019
  4. Decided - Granted6/2020/2736/EMT

    Removal of a 3.5m Conifer Bush

    54 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 20 Oct 2020
  5. Decided - GrantedW6/2014/2479/TE

    Re pollard Lime tree back to previous pruning points

    11 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 13 Nov 2014
  6. Decided - Granted6/2020/1514/HOUSE

    Erection of single storey front and side extension and internal alterations

    6 Waterside Cottages Mill Green Bush Hall Lane Hatfield AL9 5NY

    Received 26 Jun 2020
  7. Decided - Granted6/2017/0533/VAR

    Variation of condition 1 (Approved plans) on planning permission N6/2015/0958/FP

    Oak Cottage Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG

    Received 17 Mar 2017
  8. Decided - Granted6/2017/2562/EM

    Installation of front window to replace garage door in order to facilitate conversion of integral garage to habitable space with gallery, installation of 3 new and 3 replacement rooflights to rear elevation and replacement glazing and roof

    9 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT

    Received 6 Nov 2017
  9. Decided - Granted6/2018/2513/HOUSE

    Erection of a single storey side and rear extension following demolition of existing side extension

    33 Moors Walk Welwyn Garden City AL7 2AX

    Received 26 Sept 2018
  10. Decided - Granted6/2017/1411/EM

    Erection of rear extension and alteration to front entrance porch.

    74 Carve Ley Welwyn Garden City AL7 3HH

    Received 27 Jun 2017
  11. Decided - GrantedS6/1974/7021/AD

    Non-illuminated name sign

    4 Beaconsfield Road Hatfield AL10 8BE

    Received 1 Jan 1974
  12. Decided - RefusedW6/2014/0727/EM

    Removal of free standing chimney

    143 Parkway, Welwyn Garden City, AL8 6JB

    Received 4 Apr 2014
  13. Decided - GrantedW6/2014/1308/EM

    Erection of 2 first floor side extensions

    7 Densley Close, Welwyn Garden City, AL8 7JX

    Received 10 Jun 2014
  14. Decided - Split6/2017/0462/COUNTY

    Application for proposed replacement of existing mobile nursery unit with new permanent nursery building and covered play canopy

    Springmead Primary School Hillyfields Welwyn Garden City AL7 2HB

    Received 8 Mar 2017
  15. Decided - Granted6/2023/1358/TPO

    T1 Oak - Crown lift to 3 metres to allow better access and line of sight in and out of the driveway

    Greenbrier Vineyards Road Northaw Potters Bar EN6 4PH

    Received 30 Jun 2023
  16. Decided - Granted6/2024/1338/HOUSE

    Erection of front/side and rear extensions; demolition, replacement windows and rear patio area

    Hafod Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 12 Jul 2024
  17. Decided - Granted6/2025/0647/HOUSE

    Erection of a single storey front extension and single storey rear/side extension following the demolition of an existing conservatory

    48 Birchall Wood Welwyn Garden City AL7 2HL

    Received 3 Apr 2025
  18. Decided - Granted6/2025/1713/HOUSE

    Erection of a single storey, timber framed, pent roof shed

    20 Northaw Road West Northaw Potters Bar EN6 4NR

    Received 11 Aug 2025
  19. Decided - GrantedN6/2015/1430/TC

    Removal of Sycamore tree

    17 & 19 Elmwood, Welwyn Garden City, AL8 6LD

    Received 6 Jul 2015
  20. Decided - Withdrawn6/2024/1522/HOUSE

    Erection of two storey side extensions, single storey rear extension with balcony, front boundary wall and entrance gates, carport and shed and installation of rear dormer to facilitate loft conversion

    49 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 9 Aug 2024
  21. Decided - Granted6/2023/1007/HOUSE

    Erection of single-storey rear extension with a flat roof and garage conversion with a new window

    12 The Reeds Welwyn Garden City AL7 3BN

    Received 11 May 2023
  22. Decided - Granted6/2016/2404/LB

    Formation of glazed link between outbuilding and the existing dwelling

    Nast Hyde Barns Wilkins Green Lane Hatfield AL10 9RF

    Received 15 Nov 2016
  23. Decided - RefusedN6/2013/1612/OP

    Outline planning permission for the erection of detached dwelling with access for consideration

    Land at, Spinney Lane, Welwyn, AL6 9TB

    Received 1 Aug 2013
  24. Decided - GrantedS6/2013/1191/FP

    Erection of single storey and two storey side and front extensions, new pitched roof to dormer and garage conversion

    1A Wilkins Green Lane, HATFIELD, AL10 9RT

    Received 5 Jun 2013

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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