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
20,037Searchable applications
298Recorded as pending
86%Approval rate · 16,193 approved or refused records
2,268Refused applications

13,925 approved · 2,268 refused · 1,014 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2026/1356/EMT

    1 x Ash to reduce by approximately 4m in height and 3m in width Tree has been historically heavily reduced with regrowth large and over extended in places. Neighbours side recently cut back and recent limb failure. Reduction is to re balance canopy both structurally and aesthetically

    5 The Orchard Welwyn Garden City AL8 7PL

    Received 31 Jul 2026
  2. Decided - Granted6/2018/0236/FULL

    Remove existing roller shutter doors and replace with new aluminium framed, double glazed windows and doors, and security roller shutters

    1 Travellers Close Welham Green Hatfield AL9 7JL

    Received 24 Jan 2018
  3. Decided - Granted6/2023/0147/HOUSE

    Erection of boundary wall and brick piers, including metal railings and gates

    5 Mymms Drive Hatfield AL9 7AE

    Received 20 Jan 2023
  4. Decided - Granted6/2021/0130/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    3 Layton Street Welwyn Garden City AL7 4FE

    Received 18 Jan 2021
  5. Decided - Granted6/2020/1897/HOUSE

    Installation of x2 rear dormers

    60 Brookside Crescent Cuffley Potters Bar EN6 4QJ

    Received 31 Jul 2020
  6. Decided - Granted6/2018/2200/LAWE

    Certificate of lawfulness for the existing use of a permanent building for non-restrictive residency (Building B-D)

    Tolmers Park Farm Newgate Street Village Hertford SG13 8RG

    Received 24 Aug 2018
  7. Appeal Decided - Allowed6/2021/1282/FULL

    Conversion of existing stables into a residential dwelling

    45 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 21 Apr 2021
  8. Decided - Granted6/2024/1360/COND

    Submission of details pursuant to Condition 1 (Sample Area) on listed building consent 6/2024/0733/LB

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 16 Jul 2024
  9. Decided - Refused6/2020/2592/FULL

    Change of use of amenity land to residential land, erection of outbuilding (garden room) and fencing.

    22 Cornflower Way Hatfield AL10 9FY

    Received 7 Oct 2020
  10. Decided - Granted6/2026/1429/EM

    Replacement rear door and rear window

    62 Parkway Welwyn Garden City AL8 6HH

    Received 13 Aug 2026
  11. Decided - Granted6/2022/0137/PN15

    The installation of a 20m high monopole supporting 12No. antenna apertures & 2No. 600mm dishes and installation of 7No. cabinets.

    Street Furniture Outside Royal Mail, Bessemer Road, Welwyn Garden City, Hertfordshire, AL7 1AA

    Received 19 Jan 2022
  12. Decided - Granted6/2021/1479/EMT

    Replace crabapple tree with blossom tree

    86 Attimore Road Welwyn Garden City AL8 6LP

    Received 11 May 2021
  13. Decided - Granted6/2019/1108/TPO

    Remove epicormic growth from 4 x oak trees Covered by TPO 862(2018)

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 8 May 2019
  14. Decided - Granted6/2023/2255/EM

    Erection of conservatory, new front door and replacement shed

    19 Mount Way, Welwyn Garden City, AL7 4LD

    Received 7 Nov 2023
  15. Decided - Granted6/2022/0404/HOUSE

    Erection of single storey side and rear extension

    49 Digswell Park Road Welwyn Garden City Hertfordshire AL8 7NW

    Received 21 Feb 2022
  16. Decided - Granted6/2023/0290/EM

    Partial garage conversion, raising existing flat roof & inserting rooflight

    32 Fordwich Road Welwyn Garden City AL8 6EY

    Received 6 Feb 2023
  17. Decided - Granted6/2020/2067/LAWP

    Certificate of Lawfulness for the erection of a loft conversion

    32 Westland Drive Hatfield AL9 7UQ

    Received 16 Aug 2020
  18. Decided - Granted6/2023/2204/LAWP

    Certificate of lawfulness for a loft conversion with hip to gable extension and rear dormer and rooflights to the front roofslope

    113 Peplins Way Brookmans Park Hertfordshire AL9 7UT

    Received 30 Oct 2023
  19. Decided - Granted6/2023/1878/HOUSE

    Replacement of existing brick-built boundary wall with a timber fence

    1 Drakes Way Hatfield AL10 8XR

    Received 11 Sept 2023
  20. Decided - Granted6/2025/1076/EMT

    1 x Willow to reduce by 1.5m height and width 1 x Atlas Cedar to reduce by 1.5m height and width (over lawn area slightly harder) 1 x Variegated Maple to reduce by 1.5m in height and width

    13 The Old Drive Welwyn Garden City AL8 6TB

    Received 6 Jun 2025
  21. Decided - Granted6/2026/0023/COND

    Submission of details pursuant to Condition 5 (hard & soft landscaping) and Condition 6 (external lighting scheme) on planning permission 6/2023/2115/FULL

    38 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 6 Jan 2026
  22. Decided - Granted6/2024/0549/TPO

    T2 Cherry to crown reduce by 30-33% and remove lower limb growing over the carpark. (TPO565 (2016) T14). T3 Douglas fir to fell (TPO 565 (2016) T11).

    4 Hall Grove Welwyn Garden City AL7 4PL

    Received 20 Mar 2024
  23. Decided - Granted6/2022/1103/EMT

    To reduce the height of Leylandii trees across rear garden boundary from current height (circa 30ft) to circa 8ft-10ft to bring height down to be maintainable thereafter.

    54 Marley Road Welwyn Garden City AL7 4BS

    Received 12 May 2022
  24. Decided - Granted6/2025/1324/HOUSE

    Erection of a single storey rear extension following the replacement of existing roof, doors and windows of existing conservatory

    4 Speyhawk Place Little Heath Potters Bar EN6 1LE

    Received 25 Jun 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.

  • 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.

  • 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.

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.

Check collection coverage