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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
20,257Searchable applications
298Recorded as pending
86%Approval rate · 16,370 approved or refused records
2,306Refused applications

14,064 approved · 2,306 refused · 1,028 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/0800/EM

    Extension of driveway

    2 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 31 Mar 2022
  2. Decided - Granted6/2024/0832/EM

    Removal of existing garden shed and replacement with a bigger one in a different location

    6 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 2 May 2024
  3. Decided - Refused6/2019/0737/LAWP

    Certificate of lawfulness for an outbuilding

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 28 Mar 2019
  4. Decided - Granted6/2021/2404/PN15

    Prior approval for installation of assorted steelwork to accommodate 6no antenna apertures & 4no 600mm dishes; installation of 9no cabinets; and ancillary development thereto

    Goldings House Goldings Crescent Hatfield AL10 8TZ

    Received 13 Aug 2021
  5. Decided - Granted6/2020/0116/VAR

    Variation of condition 1 (Materials) on planning permission 6/2019/1662/HOUSE

    66 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BU

    Received 17 Jan 2020
  6. Decided - Refused6/2024/0890/PN19

    Prior approval for the erection of an agricultural building measuring 10.08m in length, 10.08 metres in width, 4.2m to the eaves and 5m to the ridge

    Land Adjacent to - A6129 Welwyn Garden City AL9

    Received 13 May 2024
  7. Decided - Granted6/2023/2386/EM

    Replacement of front door and front bay window as the current ones are over 30 years old. We wish to improve security and energy efficiency

    40 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 27 Nov 2023
  8. Decided - Granted6/2025/0965/HOUSE

    Erection of single storey front bay window

    22 Talbot Road Hatfield AL10 0QY

    Received 27 May 2025
  9. Decided - Refused6/2022/0412/EMH

    Application Reference: 6/2022/0391/HOUSE Proposal: Erection of a single storey rear extension Location: 3A Hall Grove Welwyn Garden City AL7 4PJ

    3A Hall Grove Welwyn Garden City AL7 4PJ

    Received 22 Feb 2022
  10. Decided6/2023/2341/TC

    G1 Hawthorn / Yew tree line hedges - Reduce in height by 2 metres to maintain size T1 Hawthorn - Crown reduce all round by 2-3 metres to maintain size and shape. T2 Sycamore - Crown reduce all round by 2-3 metres and lift crown to 4 metres to maintain size and shape. T3 Oak - Lift epicormic growth up to 4 metres to maintain area underneath tree.

    Lockleys Drive Car Park Lockleys Drive AL6 9LU

    Received 21 Nov 2023
  11. Decided - Granted6/2018/2195/HOUSE

    Erection of single storey rear conservatory

    36 Marley Road Welwyn Garden City AL7 4BS

    Received 23 Aug 2018
  12. Decided - Granted6/2022/1285/FULL

    Erection of a dwelling following demolition of existing dwelling

    104 Brookmans Avenue Brookmans Park Hertfordshire AL9 7QQ

    Received 31 May 2022
  13. Decided - Granted6/2023/1561/HOUSE

    Erection of a single storey front and rear extension, following part demolition and raising of roof to existing side and rear extension.

    329 St Albans Road West Hatfield AL10 9RJ

    Received 27 Jul 2023
  14. Decided6/2020/2555/TC

    Fell 2 x Cherry Plum, fell 1 x dead Laburnum to ground level and reduce 1 x Cherry overlong branches by 1.5m

    17 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 2 Oct 2020
  15. Decided - Granted6/2023/0105/EMT

    T1 1 x Oak to dismantle in sections to ground level. T2 1 x Oak to reduce by approximately 3m in height and 3m in width.

    15 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 16 Jan 2023
  16. Decided - Granted6/2022/1733/TPO

    1 x Apple to remove lowest branch (approximately 2-3 inches) See annotated picture. Client wants to install a new fence as the old one is ivy ridden and rotten. 1 x Apple to fell to ground level. The tree is almost on the fence line and will prevent a new boundary fence being installed. the trees crown is excessively overhanging the neighbouring property and becoming a nuisance

    2 Mardley Heights Welwyn AL6 0TX

    Received 22 Jul 2022
  17. Decided - Withdrawn6/2021/1664/EM

    Erection of a rear single and part double storey extension

    11 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 24 May 2021
  18. Decided - Granted6/2019/3217/COND

    Submission of details pursuant to condition 3 (surface water drainage scheme) and 5 (protection from railway line noise) on planning permission 6/2019/0771/FULL

    9 Broom Hill Welwyn AL6 0SF

    Received 23 Dec 2019
  19. Decided - Granted6/2026/0335/TPO

    T13 Oak to reduce height and spread back to previous pruning points (approximately 2–2.5m). T15 Oak to reduce height and spread back to previous pruning points (approximately 2–2.5m). T16 Oak to reduce height and spread back to previous pruning points (approximately 2–2.5m). (TPO 827)

    Peel Court College Way Welwyn Garden City AL8 6DG

    Received 23 Feb 2026
  20. Decided6/2026/0994/TC

    T1 oak to fell.

    51 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 5 Jun 2026
  21. Decided - Granted6/2022/2609/COND

    Submission of details pursuant to condition 3 (noise due to transport sources) and condition 4 (reduced operating schedules) on planning permission 6/2021/1440/FULL

    18A Station Road Cuffley Potters Bar EN6 4HT

    Received 15 Nov 2022
  22. Decided - Granted6/2019/0779/HOUSE

    Erection of a single storey rear extension and flue.

    67 Hill Rise Cuffley Potters Bar EN6 4RX

    Received 1 Apr 2019
  23. Decided - Granted6/2021/0685/EMT

    Reduce 2 large hornbeams by 30%

    23 Coneydale Welwyn Garden City AL8 7RX

    Received 2 Mar 2021
  24. Decided - Refused6/2021/1999/LAWP

    Certificate of lawfulness for erection of single storey side extension, to include insertion of 2 x side facing roof lights to the proposed roof.

    40 Ground Lane Hatfield AL10 0HH

    Received 1 Jul 2021

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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