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
24,609Searchable applications
313Recorded as pending
86%Approval rate · 20,173 approved or refused records
2,787Refused applications

17,386 approved · 2,787 refused · 1,293 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2292/TPO

    Reduce 1 x Oak tree by 20% TPO 673 (2017) G4

    31 Oaklands Rise Welwyn AL6 0RN

    Received 17 Sept 2019
  2. Decided - Granted6/2025/0514/HOUSE

    Infill side extension, installation of rooflight to the existing annex, raising of roof to the annex and existing infill to allow the installation of energy efficient insulation and wooden pergola

    126 Parkway Welwyn Garden City AL8 6HP

    Received 19 Mar 2025
  3. Decided - Refused6/2019/2466/FULL

    Erection of 1 x dwelling with associated parking and private amenity space

    Land to the rear of 55 Roe Green Close Hatfield AL10 9PF

    Received 3 Oct 2019
  4. Decided - Granted6/2020/1529/COND

    Submission of details pursuant to condition 1 (tree survey) and condition 2 (Arboricultural Method Statement) on planning permission 6/2020/0468/HOUSE

    Ponsbourne Park, Hatfield Lodge Newgate Street Hertford SG13 8NH

    Received 29 Jun 2020
  5. Decided - Granted6/2019/1830/HOUSE

    Erection of part single, part two storey rear and side extensions and lowering of front level to insert a garage

    39 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 24 Jul 2019
  6. Decided - Granted6/2020/2467/TPO

    T1 Hornbeam to fell and T2 Hornbeam to reduce by 25% of the crown and prune. Covered by TPO 711 (2017)

    4 Juniper Gardens Welwyn AL6 0XH

    Received 28 Sept 2020
  7. Decided - Granted6/2022/1283/VAR

    Variation of condition 6 (photovoltaic panels, air source heat pump and electric vehicle charging points) and condition 7 (approved plans) on planning application 6/2020/1365/FULL, dated 08/10/2020

    34 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 30 May 2022
  8. Decided - Refused6/2022/1508/HOUSE

    Erection of a two storey side extension

    The Lodge 2 Northaw Place Coopers Lane Northaw Potters Bar Hertfordshire EN6 4NQ

    Received 28 Jun 2022
  9. Decided - Granted6/2016/0490/FULL

    Erection of 1no five bedroom dwellinghouse

    14 The Avenue Welwyn AL6 0PN

    Received 23 Mar 2016
  10. Decided - Granted6/2018/1730/HOUSE

    Erection of part single, part two storey front and rear extensions; installation of two rear dormers and three side roof-lights; alterations to openings and; front boundary wall, piers, railings and gates

    7 The Grove, Brookmans Park, Hatfield, AL9 7RL

    Received 29 Jun 2018
  11. Decided - Refused6/2024/0361/HOUSE

    Erection of a single storey side/rear extension and front porch with the addition of rooflights following the demolition of existing porch and re-rendering of exterior walls

    41 Swanley Crescent Little Heath Potters Bar EN6 1NQ

    Received 26 Feb 2024
  12. Decided - Granted6/2019/1623/COND

    Submission of details pursuant to condition 2 (glazing and ventilation schemes) on planning permission 6/2019/0768/VAR

    Barham Court 80A Station Road Cuffley Potters Bar EN6 4HY

    Received 3 Jul 2019
  13. Decided - Granted6/2021/2131/EMT

    1 x Ash to reduce by 4m height & 2m width

    55 Bushey Ley Welwyn Garden City AL7 3HB

    Received 14 Jul 2021
  14. Decided - Withdrawn6/2019/2646/LAWP

    Certificate of lawfulness for the erection of a single storey side, single and two storey rear extensions and installation of rear roof light following demolition of existing conservatory and rear extension

    20 Roe Green Close Hatfield AL10 9PE

    Received 21 Oct 2019
  15. Decided - Granted6/2020/0570/COND

    Submission of details pursuant to condition 2 (method statement showing tree protection measures) 3 (external weather-boarding) on application 6/2019/2276/HOUSE

    The Spinney 57A Great North Road Hatfield AL9 6LA

    Received 27 Feb 2020
  16. Decided - Granted6/2022/0189/HOUSE

    Erection of single storey rear infill extension and a first floor rear extension

    10 Birch Drive Hatfield AL10 8NX

    Received 27 Jan 2022
  17. Decided - Granted6/2017/0740/ADV

    Installation of 1 internally illuminated fascia sign

    51 Bradmore Green Brookmans Park Hatfield AL9 7QS

    Received 12 Apr 2017
  18. Decided - Granted6/2021/2189/EMT

    Remove existing row of Conifer trees and replace with Laurel hedge

    120 Haldens Welwyn Garden City AL7 1DG

    Received 19 Jul 2021
  19. Decided - Granted6/2018/2083/EM

    Formation of hardstanding path to front entrance

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 10 Aug 2018
  20. Decided - Granted6/2023/0425/HOUSE

    Loft conversion with insertion of two side dormers, front dormer and insertion of rear juliet balcony

    44 Westland Drive Brookmans Park AL9 7UQ

    Received 23 Feb 2023
  21. Decided - Granted6/2024/1115/EM

    Installation of photovoltaic panels to roof

    32 Newfields Welwyn Garden City AL8 6YT

    Received 17 Jun 2024
  22. Appeal Decided - Dismissed6/2019/1502/EM

    Erection of a front porch, internal alterations and expansion of hardstanding

    87 Uplands Welwyn Garden City AL8 7EH

    Received 17 Jun 2019
  23. Decided - Split6/2019/1907/COND

    Submission of details pursuant to condition 1(construction method statement) 2(glazing and ventilation) 3(samples of materials) 4(surface water drainage scheme) 5(cycle parking) 7(hard and soft landscaping) and 10(remediation scheme) on planning permission 6/2018/1810/MAJ

    Former Xerox Campus Bessemer Road Welwyn Garden City AL71HE

    Received 5 Aug 2019
  24. Decided - Granted6/2025/2382/HOUSE

    Erection of a conservatory and front porch

    149 Daniells Welwyn Garden City AL7 1QP

    Received 13 Nov 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