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
27,977Searchable applications
307Recorded as pending
87%Approval rate · 23,106 approved or refused records
3,110Refused applications

19,996 approved · 3,110 refused · 1,500 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2020/1016/COND

    Submission of details pursuant to condition 1 (archaeological written scheme of investigation) 2 (sample of materials) and 3 (details of windows and doors) on planning permission 6/2019/2023/HOUSE

    Home Farm 6 Whitehill Welwyn AL6 9AF

    Received 6 May 2020
  2. Decided - GrantedW6/2013/2671/EM

    Erection of two storey and single storey rear extensions following demolition of existing rear conservatory

    3 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 23 Dec 2013
  3. Decided - Granted6/2020/1766/FULL

    Erection of building to accommodate new electric meter.

    Chancellors School, Pine Grove, Brookmans Park, Hatfield, AL9 7BN

    Received 20 Jul 2020
  4. Decided - Granted6/2026/0802/TPO

    T1 Oak: 30% reduction to suitable lateral growth points. T2 & T3 Sweet chestnuts: 30% reduction to suitable lateral growth points. (Covered by TPO655)

    5 Pine Crest Welwyn AL6 0EQ

    Received 6 May 2026
  5. Decided - Granted6/2025/1834/FULL

    Change of Use from residential dwelling (Class C3) to a Respite Children's Home (Class C2)

    6 Bishops Close Hatfield AL10 9PW

    Received 28 Aug 2025
  6. Decided6/2024/1449/TC

    Some root trimming work is required to two well established Poplar Trees located within the Beehive Conservation area. It is requested permission be given to trim back some of the poplar tree roots in the areas identified in the location plan in order that future preventative measures can be introduced and the affected paving slabs and turf can be relayed

    127 Sweet Briar Welwyn Garden City AL7 3EB

    Received 31 Jul 2024
  7. Decided - Granted6/2022/2184/COND

    Submission of details pursuant to condition number 19 (location, design and specification of refuse bin and recycling materials storage bins and areas to serve the residential units), on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 21 Sept 2022
  8. Decided6/2019/1749/TC

    Fell 1 x Cherry tree

    64 Parkway Welwyn Garden City AL8 6HH

    Received 12 Jul 2019
  9. Decided - Granted6/2015/2406/EM

    Erection of single storey rear extension/orangery and front driveway

    19 Heather Road, Welwyn Garden City, AL8 6XX

    Received 26 Nov 2015
  10. Decided - Withdrawn6/2021/0453/HOUSE

    Erection of a two storey side extension and a timber framed o car port. A porch infill with alterations to openings, including the insertion of rear facing roof light to existing roof.

    Howards Cottage 1 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT

    Received 12 Feb 2021
  11. Decided - Refused6/2019/2295/EM

    Erection of single storey rear extension following demolition of existing outhouse

    95 Ludwick Way Welwyn Garden City AL7 3PL

    Received 16 Sept 2019
  12. Decided - Granted6/2020/2171/COND

    Submission of details pursuant to conditions 2 (cycle store details) and 3 (bin storage details) on planning permission 6/2020/0365/FULL

    28 Roe Green Lane Hatfield AL10 0RZ

    Received 26 Aug 2020
  13. Decided - Granted6/2020/1052/TPO

    Crown reduction of 33x Hornbeam trees (TPO 611 (2017)) Fell 9x non-native trees

    Skyfield Manor West End Lane Essendon Hatfield AL9 6AX

    Received 12 May 2020
  14. Appeal Decided - Dismissed6/2023/1239/FULL

    Change of use from HMO to residential institutions (class C2)

    59 Tiger Moth Way Hatfield Hertfordshire AL10 9LT

    Received 12 Jun 2023
  15. Decided - Granted6/2020/3380/EM

    Erection of a single storey side extension with flat roof to the existing house. Erection of a wooden bin/recycle store and cycle store area to front drive and change of use from single dwelling house to 6 person HMO.

    49 Peartree Lane Welwyn Garden City AL7 3UA

    Received 17 Dec 2020
  16. Decided - Granted6/2019/0186/EM

    Formation of a driveway

    44 Moorlands Welwyn Garden City AL7 4PP

    Received 29 Jan 2019
  17. Decided6/2021/0917/TC

    Fell birch tree to ground level & grind stump

    136 Longcroft Lane Welwyn Garden City AL8 6EN

    Received 22 Mar 2021
  18. Decided - Refused6/2023/0889/LAWP

    Certificate of lawfulness for the erection of a detached garage and single storey side and rear extension, with partial demolition of dwelling at ground and first floor level

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 26 Apr 2023
  19. Decided - Granted6/2015/2339/TPO

    Fell 4 Sycamore trees to ground level and reduce 4 Conifers to 1.8m to form a hedge - Conservation Area.

    2 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 11 Dec 2015
  20. Decided - Granted6/2017/2925/EM

    Reduce 1 x Hornbeam tree by up to 8ft - Conservation area

    3 Ashley Close Welwyn Garden City AL8 7LH

    Received 18 Dec 2017
  21. Decided - Granted6/2025/2375/HOUSE

    Erection of single storey front porch extension, part single part two storey rear extension

    60 Crawford Road Hatfield AL10 0PE

    Received 12 Nov 2025
  22. Decided - Granted6/2020/3243/LAWP

    Certificate of lawfulness for a single storey flank/side extension with flat roof and fenestration details measuring 9.89m in width (less than half the width of the original dwelling)

    22 The Avenue Welwyn AL6 0PP

    Received 3 Dec 2020
  23. Decided - Granted6/2017/2249/TPO

    Lift branches on Oak tree by upto 5m covered by TPO 257 (2002)

    4 Ashley Close Welwyn Garden City AL8 7LH

    Received 3 Oct 2017
  24. Decided - Granted6/2023/2284/COND

    Submission of details pursuant to condition 1 (Materials) on planning permission 6/2023/1104/HOUSE

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 13 Nov 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
  • 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