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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
32,243Searchable applications
303Recorded as pending
87%Approval rate · 26,969 approved or refused records
3,528Refused applications

23,441 approved · 3,528 refused · 1,692 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1845/TPO

    Sever and remove ivy on oak tree (T1) to reduce sail area and improve light to oak and remove stem epicormic growth to 6m. covered by TPO 299

    14 Roundwood Drive Welwyn Garden City Hertfordshire AL8 7JZ

    Received 8 Aug 2022
  2. Decided6/2020/0994/TC

    Reduce 1 x Cherry Plum Tree by 30%

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 1 May 2020
  3. Decided - GrantedS6/2015/0799/DS

    Approval of details reserved by condition 6 (Ground Investigation & Remediation Strategy) & 13 (Surface Water Drainage) of planning permission S6/2014/0243/MA

    80 Station Road Cuffley Potters Bar EN6 4HY

    Received 9 Apr 2015
  4. Appeal Decided - Dismissed6/2021/0133/HOUSE

    Erection of a single storey side extension

    82 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 18 Jan 2021
  5. Decided - GrantedS6/2014/1331/FP

    Proposed side dormer extension

    3 Starling Lane, Cuffley, Potters Bar, EN6 4JX

    Received 12 Jun 2014
  6. Decided - Granted6/2025/1988/VAR

    Variation of Condition 9 (drawing numbers) on planning permission 6/2024/1289/FULL

    99 Brookmans Avenue Brookmans Park AL9 7QG

    Received 15 Sept 2025
  7. Decided6/2020/0045/TC

    Crown reduce 2x Oak trees by 30% (T1 and T2)

    4 Densley Close Welwyn Garden City AL8 7JX

    Received 10 Jan 2020
  8. Decided - GrantedW6/2014/1760/EM

    Erection of wooden climbing frame in rear garden

    17 Meadow Green, Welwyn Garden City, AL8 6SS

    Received 5 Aug 2014
  9. Decided - Withdrawn6/2024/2236/HOUSE

    Erection of first floor extension above an existing garage

    6 Bishops Close Hatfield AL10 9PW

    Received 21 Nov 2024
  10. Decided - Granted6/2021/1789/FULL

    Installation of 2 x air source heat pumps

    Campus East The Campus Welwyn Garden City AL8 6AE

    Received 9 Jun 2021
  11. Decided - Granted6/2015/1535/VAR

    Variation of condition 5 (carport) on planning permission S6/1997/0922/FP

    Essendon Mill, Low Road, Essendon, Hatfield, AL9 6AD

    Received 17 Jul 2015
  12. Decided - Granted6/2019/0773/ADV

    Installation of 1 x externally Illuminated hoarding sign,2 x non illuminated hoarding signs,1 x non illuminated hoarding sign,1 x non illuminated amenity sign, 2 x lights

    The Sun 31 Lemsford Village Welwyn Garden City AL8 7TN

    Received 1 Apr 2019
  13. Decided - Granted6/2017/0844/EM

    1 x Fell Leyland Cypress to ground level

    1 High Grove Welwyn Garden City AL8 7DW

    Received 24 Apr 2017
  14. Decided - Refused6/2026/0671/TPO

    G1 5-6 Ash trees (to the rear of 37 Ramblers Way) to pollard all the trees along the fence line by 50%. (Covered by TPO 878 (2023))

    37 Ramblers Way Welwyn Garden City AL7 2JU

    Received 15 Apr 2026
  15. Decided - Granted6/2017/1512/VAR

    Variation of condition 1 (approved plans) on planning permission 6/2016/1750/HOUSE

    Stocking Lane Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 12 Jul 2017
  16. Decided - Granted6/2017/2317/MAJ

    Replacement of existing petrol filling station and hand car wash, alterations and reconfiguration of existing vehicular and pedestrian accesses and associated car parking, hard and soft landscaping.

    Tesco Stores Ltd Shire Park Kestrel Way Welwyn Garden City AL7 1GA

    Received 10 Oct 2017
  17. Decided - Granted6/2022/1801/FULL

    Retention of extension to existing carport roof, replacement first floor side elevation window and replacement of front elevation door

    22 Parkway Welwyn Garden City Hertfordshire AL8 6HG

    Received 1 Aug 2022
  18. Decided - Granted6/2024/0545/EMT

    2 x Lawson Cypress to remove in sections to ground level

    1 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 20 Mar 2024
  19. Decided - Granted6/2024/0779/COND

    Submission of details pursuant of condition 1 (Tree Protection Plan) & condition 2 (Landscaping Plan) on planning permission 6/2023/2516/FULL

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

    Received 25 Apr 2024
  20. Decided - GrantedS6/2013/2647/FP

    Installation of two roof lights to front and rear roof and reposition existing approved roof light (Amendements to application S6/2012/1773/FP)

    1 Church Close, Cuffley, Potters Bar, EN6 4LS

    Received 16 Dec 2013
  21. Decided - Granted6/2015/1527/COND

    Approval of details reserved by condition 6 (materials) and condition 7 (lighting) on planning permission N6/2014/0185/FP

    50 Reynards Road Welwyn AL6 9TP

    Received 20 Jul 2015
  22. Decided6/2020/1601/TC

    Reduce 1 x Walnut by 1.5m & width by 3m Reduce 1 x Oak to reduce canopy by 1.5m height & 2.5m width & 6/2020/1611/EMT

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 6 Jul 2020
  23. Decided - Granted6/2021/3517/HOUSE

    Erection of double storey and single storey rear extension, dormer extension, porch extension and landscape works to front driveway and rear garden

    7 High Ridge Cuffley Potters Bar EN6 4JH

    Received 20 Dec 2021
  24. Decided - Granted6/2023/0039/LAWP

    Certificate of lawfulness for a single storey rear extension

    Railway Cottage 1-2 Marshmoor Lane Welham Green Hatfield AL9 7HT

    Received 9 Jan 2023

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

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    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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