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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
28,690Searchable applications
307Recorded as pending
87%Approval rate · 23,758 approved or refused records
3,191Refused applications

20,567 approved · 3,191 refused · 1,525 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - Dismissed6/2017/1021/MAJ

    Erection of 2.4m high steel palisade security fence to Office car park

    Grace Foods UK Ltd, Centrapark, Bessemer Road, Welwyn Garden City, AL7 1HW

    Received 11 May 2017
  2. Decided - GrantedS6/2014/2388/FP

    Erection of first floor front extension

    55 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ

    Received 29 Oct 2014
  3. Decided - Refused6/2020/0882/HOUSE

    Installation of window to facilitate conversion of garage, replacement of utility door with window, demolition of interior bathroom walls to create open plan room, removal of suspended ceiling, installation of shower room in front bedroom and installation of roof lights

    33 School Lane Welwyn AL6 9PQ

    Received 16 Apr 2020
  4. Decided - Granted6/2015/2237/EM

    Reduce branches on Crab Apple tree by upto 1.5m in length.

    7 Parkfields, Welwyn Garden City, AL8 6EE

    Received 15 Oct 2015
  5. Decided - Granted6/2020/2229/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.00m in depth, 3.00m in height and 2.70m to the eaves

    6 Cattlegate Road Northaw Potters Bar EN6 4DL

    Received 1 Sept 2020
  6. Decided6/2024/1926/TC

    1x Magnolia to lift to 2.4m above ground level, shorten limbs growing over neighbouring boundary by approximately 1m. 1x Lilac to remove to ground level. 1x Apple to reduce by approximately 1.2m in height and 1m in width. Remove right hand stem to approximately 450mm from union.

    7 Coneydale Welwyn Garden City AL8 7RX

    Received 9 Oct 2024
  7. Decided - Granted6/2017/2671/TPO

    Reduce 1 x Oak tree by 10 % - covered by TPO 432 (2009)

    5 Reddings Welwyn Garden City AL8 7LA

    Received 14 Nov 2017
  8. Decided - Granted6/2016/2303/COND

    Approval of details reserved by condition 15 (Energy Supply) on planning permission S6/2013/2231/MA

    Land at Green Close Station Road, Brookmans Park, Hatfield, AL9 7ST

    Received 2 Nov 2016
  9. Decided - Granted6/2020/1624/HOUSE

    Erection of single storey rear extension and installation of rear dormer window with bullseye window at the side facade to facilitate a loft conversion.

    32 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 7 Jul 2020
  10. Decided - Granted6/2016/1428/TPO

    Removal of Sycamore tree located on boundary - Conservation Area

    5 Heather Road, Welwyn Garden City, AL8 6XX

    Received 4 Jul 2016
  11. Decided - Granted6/2022/0643/COND

    Submission of details pursuant of condition 2 (materials) on planning permission 6/2019/1616/FULL

    Land behind 140 Ludwick Way Welwyn Garden City AL7 3PY

    Received 18 Mar 2022
  12. Decided - Refused6/2016/0215/EM

    Erection of single storey front and rear extensions, two storey side extension following demolition of existing garage

    2 Aldock, Welwyn Garden City, AL7 4QF

    Received 5 Feb 2016
  13. Decided - Granted6/2015/1849/PN15

    Replacement of 10m lampost monopole with 12m phase 4 lampost with 1no additional cabinet

    Lampost 611 Bessemer Road AL8 7LU

    Received 2 Sept 2015
  14. Decided - Granted6/2018/0069/LAWE

    Certificate of lawfulness for an existing C4 House of Multiple Occupation.

    81 Bradshaws, Hatfield, AL10 9QW

    Received 9 Jan 2018
  15. Decided - Refused6/2019/1646/EM

    Removal of garage door and replace with cladding and new door to facilitate the conversion of garage to habitable space

    3 Daniells Welwyn Garden City AL7 1QY

    Received 4 Jul 2019
  16. Decided - Granted6/2020/3378/HOUSE

    Erection of a part two storey, part single storey rear and side extension including alterations to existing fenestration, addition of new windows and the installation of rooflights

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 17 Dec 2020
  17. Decided - Granted6/2021/2457/HOUSE

    Erection of a single storey side and first floor rear extension with roof alterations

    55 Great North Road Hatfield AL9 6LA

    Received 23 Aug 2021
  18. Decided - Granted6/2020/1935/COND

    Submission of details pursuant to condition 4 (a detailed surface water drainage scheme) on planning permission 6/2019/1067/MAJ.

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 5 Aug 2020
  19. Decided - Granted6/2022/0674/HOUSE

    Erection of outbuilding at rear of garden

    7 Rectory Close Essendon Hatfield AL9 6HG

    Received 22 Mar 2022
  20. Decided - Granted6/2021/2788/HOUSE

    Partial conversion of garage to habitable use and alterations to the fenestration

    45 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 28 Sept 2021
  21. Decided - Granted6/2017/2492/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.50m in depth, 2.950m in height and 2.800 to the eaves

    13 Little Thistle Welwyn Garden City AL7 4AE

    Received 26 Oct 2017
  22. Decided - Granted6/2015/2445/HOUSE

    Erection of single story front porch conversion of garage and new pitched roof above garage conversion

    30 Broomfield Road Welwyn AL6 9DW

    Received 4 Dec 2015
  23. Decided - Granted6/2025/2317/HOUSE

    Erection of a car port

    Lemsford House Brocket Road Welwyn Garden City AL8 7TT

    Received 3 Nov 2025
  24. Decided - Granted6/2025/1407/EMT

    T1 - 1 x Apple to fell. T2 - 1 x Oak to reduce by approximately 2.5m in height and width, remove deadwood consisting of branches greater than 30mm in diameter. T3 - 1 x Horse chestnut to reduce by 2.5m height and width. T4 - 1 x Lime to reduce by 2m height and width.

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 3 Jul 2025

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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