PlanningTrack
Get started

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
26,900Searchable applications
304Recorded as pending
87%Approval rate · 22,149 approved or refused records
2,984Refused applications

19,165 approved · 2,984 refused · 1,433 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1828/EMT

    T1-Silver Birch-Fell to ground level as its outgrown its position as there is a new fence being installed.

    6 Pentley Park Welwyn Garden City AL8 7RU

    Received 4 Aug 2022
  2. Decided - Granted6/2021/0179/EMT

    Reduce the crown of 1 x Hornbeam tree 3-4m

    15 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 20 Jan 2021
  3. Decided - Granted6/2016/1731/HOUSE

    Erection of rear conservatory

    93 Crawford Road Hatfield AL10 0PF

    Received 19 Aug 2016
  4. Decided - Granted6/2018/0663/HOUSE

    Erection of single storey rear extension

    3 The Reeds Welwyn Garden City AL7 3BN

    Received 8 Mar 2018
  5. Decided - Granted6/2022/2670/EM

    Erection of single storey rear extension, uplift of existing garage roof, alterations to opening on front elevation and uplift of parapet wall on front elevation

    64 Moorlands Welwyn Garden City AL7 4QG

    Received 23 Nov 2022
  6. Appeal Decided - Allowed6/2021/0972/HOUSE

    Erection of two storey side and rear extensions and a first floor rear extension, insertion of 6 x side facing dormer windows and 3 x side facing roof lights to facilitate extension of existing first floor plan. Alterations to fenestration on existing front, side and rear elevations and demolition of outbuilding attached to existing garage, to facilitate erection of new detached outbuilding.

    26 Lower Mardley Hill Welwyn AL6 0UQ

    Received 25 Mar 2021
  7. Decided - Granted6/2024/1227/COND

    Submission of details pursuant to Condition 10 & 33 (Noise Protection Measures) on Planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 28 Jun 2024
  8. Decided - Granted6/2024/0861/EMT

    Reduce 2 x crab apple back to previous reduction points, pruning 1.5-2m on all sides

    176 Blythway Welwyn Garden City AL7 1DU

    Received 7 May 2024
  9. Decided - Refused6/2017/2981/LAWLB

    Certificate of lawfulness for proposed works to listed building to include the removal and replacement of bi-fold doors and creation of shower room on the ground floor

    16-18 Hyde Cottage Cromer Hyde Lane AL8 7XE

    Received 22 Dec 2017
  10. Decided - Refused6/2024/2070/LAWP

    Certificate of lawfulness for the erection of a boundary wall, railings and gates

    23A The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 25 Oct 2024
  11. Decided - Withdrawn6/2020/0663/EM

    Hard & Soft Landscaping

    3 High Grove Welwyn Garden City AL8 7DW

    Received 10 Mar 2020
  12. Decided - Granted6/2020/3350/HOUSE

    Erection of a single storey, part two storey rear extension and alterations to fenestration

    14 Thistle Grove Welwyn Garden City AL7 4AN

    Received 15 Dec 2020
  13. Decided - Refused6/2019/0935/HOUSE

    Erection of a single storey rear extension and erection of detached annex, following demolition of existing detached garage and shed

    143 Hollybush Lane Welwyn Garden City AL7 4JT

    Received 17 Apr 2019
  14. Decided - Granted6/2024/0951/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 8.68m in height

    6 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 21 May 2024
  15. Decided - Granted6/2026/1396/EM

    Installation of 20 all-black roof-mounted solar PV panels (14 on west-facing and 6 on east-facing roof slopes); one Aira 8 kW air-source heat pump; one Tesla Powerwall 3 battery with associated control equipment; and one Tesla Gen 3 Wall Connector EV charging point

    12 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 7 Aug 2026
  16. Decided - Granted6/2020/1998/COND

    Submission of details pursuant to condition 5 (details of visibility splays) on planning permission 6/2019/1214/VAR

    The Spinney High Road Essendon Hatfield AL9 6HP

    Received 11 Aug 2020
  17. Decided - Granted6/2019/0493/VAR

    Variation of condition 3 (approved plans) on planning permission 6/2018/3107/HOUSE

    63 Stockbreach Road Hatfield AL10 0AU

    Received 4 Mar 2019
  18. Decided6/2024/2210/TC

    Reduce 1 x Goat willow by 3m in height and 2m in width Reduce 1 x Holly by 2.5m in height and 1.2m in width

    3 Parkfields Welwyn Garden City AL8 6EE

    Received 15 Nov 2024
  19. Decided6/2023/1485/TC

    1 x Cherry to dismantle in sections to ground level 1 x Apple to reduce main leader by approximately 2m creating a more natural form, reduce width by 1.2m

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 17 Jul 2023
  20. Decided - Granted6/2015/2439/HOUSE

    Erection of single storey rear extension

    29 Parkway Gardens, Welwyn Garden City, AL8 6JW

    Received 8 Dec 2015
  21. Decided - Refused6/2019/1274/PN11

    Prior approval for the change of use from office (B1) to residential (C3)

    58B Bridge Road East Welwyn Garden City AL7 1JU

    Received 24 May 2019
  22. Decided - Granted6/2023/1809/HOUSE

    Retention of storage outbuilding, covered area, fencing, walls and patio

    64 Bishops Rise Hatfield Hertfordshire AL10 9HH

    Received 30 Aug 2023
  23. Decided - Granted6/2021/0363/COND

    Submission of details pursuant to condition 1 (construction management plan) on planning permission (6/2019/2086/MAJ)

    Minster House Minster Close Hatfield AL10 9JW

    Received 5 Feb 2021
  24. Decided - Granted6/2023/0775/FULL

    Change of use from car park formally associated with now closed Public House for the erection of four infill dwellings and associated car parking, sheds, bin storage and landscaping

    The Long And Short Arm 18 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 6 Apr 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities