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
27,331Searchable applications
304Recorded as pending
86%Approval rate · 22,530 approved or refused records
3,049Refused applications

19,481 approved · 3,049 refused · 1,463 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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. Decided6/2025/0823/TC

    1x Silver birch to reduce by approximately 2.5m height and 2m width. 1x Cherry to reduce by approximately 1m in height and width

    144 Howlands Welwyn Garden City AL7 4RG

    Received 29 Apr 2025
  2. Decided - Refused6/2017/0367/FULL

    Retention of racking structure, omitting the existing roofs

    Wood Green Timber Yard, Coopers Lane, Northaw, Potters Bar, EN6 4NE

    Received 27 Feb 2017
  3. Decided - Granted6/2016/2702/HOUSE

    Erection of single storey side extension

    12 Great Break Welwyn Garden City AL7 3EZ

    Received 21 Dec 2016
  4. Appeal Decided - Dismissed6/2019/2228/LAWP

    Certificate of lawfulness for an outbuilding

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 9 Sept 2019
  5. Decided - Granted6/2019/2613/HOUSE

    Retention of single storey rear extension with installation of 2x roof lights

    13 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 17 Oct 2019
  6. Decided - Granted6/2016/1959/COND

    Approval of details reserved by condition 2 (Construction Management Plan) on planning permission 6/2016/0159/FULL

    The Galleria, Comet Way, Hatfield, AL10 0XR

    Received 22 Sept 2016
  7. Decided - Refused6/2025/2403/FULL

    Erection of a two-storey dwelling as a subdivision of the existing plot, with associated car parking areas and erection of a single-storey rear extension to the existing property

    1 High Dells Hatfield AL10 9JD

    Received 17 Nov 2025
  8. Decided - Refused6/2025/0276/LAWP

    Certificate of lawfulness to alter the use of the existing building to accommodate a coffee shop and installation of commercial kitchen, including an extractor fan

    9 Bradmore Green Brookmans Park AL9 7QW

    Received 14 Feb 2025
  9. Decided - Granted6/2024/0282/HOUSE

    Erection of a rear ground floor infill, part first floor rear extension with internal alterations, replacement of flat roof to existing ground floor rear extension and replacement flat roof to detached garage

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 12 Feb 2024
  10. Decided - Refused6/2020/2484/PN15

    Installation of assorted steelwork to accommodate 6 x antenna apertures and 4 x 600mm dishes; installation of 9 x cabinets; ancillary development

    Welwyn Hatfield Foyer Goldings House Goldings Crescent Hatfield AL10 8TZ

    Received 29 Sept 2020
  11. Decided - Granted6/2016/2363/EM

    Fell two Pear trees

    102 Parkway Welwyn Garden City AL8 6HL

    Received 7 Nov 2016
  12. Decided - Split6/2017/1545/COND

    Submission of details pursuant to condition 1 (materials samples), 2 (control of odour and noise assessment), 3 (fixed plant, machinery and equipment details) and 7 (refuse and recycling storage) on planning permission 6/2016/2369/FULL, dated 17/03/2017

    98 Haldens Welwyn Garden City AL7 1DD

    Received 17 Jul 2017
  13. Decided - Granted6/2020/3371/HOUSE

    Erection of single storey front and rear extension, raising roof level and installation of dormer (material changes to application 6/2019/1797/HOUSE)

    39 Reddings Welwyn Garden City AL8 7LA

    Received 17 Dec 2020
  14. Decided - Granted6/2017/2311/HOUSE

    Erection of a single storey rear extension, single storey front bay window extension and level access rear patio

    12 Homewood Avenue Cuffley Potters Bar EN6 4QG

    Received 9 Oct 2017
  15. Decided - Granted6/2025/2013/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.62m in depth, 3.30m in height and 2.25m to the eaves

    89 Wellcroft Road Welwyn Garden City AL7 3JX

    Received 18 Sept 2025
  16. Decided - Refused6/2020/1859/HOUSE

    Erection of a single storey rear extension.

    13 Hawkshead Road Little Heath Potters Bar EN6 1LZ

    Received 28 Jul 2020
  17. Decided - Granted6/2025/0552/COND

    Submission of details pursuant of conditions 1 (construction management plan), 2 (crown roof), 3 (landscaping plan), 4 (noise management), 5 (energy statement), 6 (refuse and recycling) on planning permission 6/2024/1190/FULL

    57 Great North Road Brookmans Park Hertfordshire AL9 6LA

    Received 24 Mar 2025
  18. Decided - Granted6/2017/2474/EM

    Erection of a conservatory

    157 Daniells Welwyn Garden City AL7 1QP

    Received 25 Oct 2017
  19. Decided - Granted6/2019/0348/HOUSE

    Erection of part two storey, part single storey rear and single storey side extensions

    1 The Links Welwyn Garden City AL8 7DS

    Received 14 Feb 2019
  20. Decided - Granted6/2024/1096/FULL

    Erection of a two-storey disability adapted dwelling to include hydro-therapy pool room following the demolition of existing dwelling

    69 Pine Grove Brookmans Park Hertfordshire AL9 7BL

    Received 13 Jun 2024
  21. Decided - Granted6/2019/2986/LAWP

    Certificate of lawfulness for single storey rear extension with installation of dormer to facilitate loft conversion and removal of chimneys

    9 Two Oaks Drive Welwyn AL6 0EZ

    Received 27 Nov 2019
  22. Decided - Granted6/2018/0371/HOUSE

    Erection of single storey side extension following demolition of double garage

    Stocks Lysley Place Brookmans Park Hatfield AL9 6NZ

    Received 2 Feb 2018
  23. Decided - Granted6/2021/2169/EM

    Re-roofing of house

    130 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 16 Jul 2021
  24. Decided - Withdrawn6/2023/2093/MAJ

    Erection of two new residential apartment buildings to provide 12 x 2-bedroom and 5 x 3-bedroom apartments, construction of access, landscape planting and ancillary development following the demolition of existing house and outbuildings

    57 New Road Digswell Welwyn AL6 0AL

    Received 13 Oct 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