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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
20,376Searchable applications
298Recorded as pending
86%Approval rate · 16,466 approved or refused records
2,317Refused applications

14,149 approved · 2,317 refused · 1,039 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2022/1487/TPO

    T20 Silver birch dead/dangerous to fell. T22 remove epicormic growth and deadwood from Sweet Chestnut Tree

    1 Oaklands View Welwyn AL6 0RJ

    Received 27 Jun 2022
  2. Decided - Granted6/2018/1105/HOUSE

    Replace garage door with window, formation of pitched roof and installation of 2 x rooflights to facilitate conversion of garage to habitable space and alterations to openings of rear elevation

    85 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 27 Apr 2018
  3. Decided - Granted6/2020/2090/LAWP

    Certificate of Lawfulness for the erection of hip to gable roof extension including rear dormer.

    55 Holme Road Hatfield AL10 9LG

    Received 19 Aug 2020
  4. Decided - Split6/2019/0660/COND

    Submission of details pursuant to conditions 1 (Material Samples) 2 (Hard and Soft Landscape) 4 (Suitably scaled plan of access arrangements onto Oakland's Avenue) on planning application 6/2018/2319/FULL

    13 The Gardens, Brookmans Park, Hatfield, AL9 7UL

    Received 20 Mar 2019
  5. Decided - Granted6/2026/0945/COND

    Submission of details pursuant to Condition 1 (materials) on planning permission 6/2023/1259/FULL

    24 Hardings Welwyn Garden City AL7 2EJ

    Received 29 May 2026
  6. Decided - Granted6/2019/1911/EM

    Erection of a single storey rear extension following demolition of outhouse and extension of vehicular hardstanding

    60 Bridge Road Welwyn Garden City AL8 6UR

    Received 5 Aug 2019
  7. Decided - Granted6/2019/2719/TPO

    Fell 1 x Cherry (T1) TPO 1156 (G6) Fell line of Willow Tree (T2-T5) TPO 1156 (G6)

    37 Warren Way Digswell Welwyn AL6 0DQ

    Received 29 Oct 2019
  8. Decided - Refused6/2020/2046/LAWP

    Certificate of lawfulness for proposed side dormers

    Meadow View Wyndham Cottage Camfield Place Kentish Lane Hatfield AL9 6JE

    Received 13 Aug 2020
  9. Decided - Granted6/2022/1481/LAWP

    Certificate of lawfulness for hip to gable roof extension, insertion of two front facing rooflights and side elevation window and installation of rear dormer window.

    37 Crawford Road Hatfield Hertfordshire AL10 0PF

    Received 24 Jun 2022
  10. Decided - Granted6/2024/2335/HOUSE

    Erection of two storey sides and rear extension following demolition of an existing side garage, installation of front and side rooflights, one rear dormer to facilitate the conversion of the loft to habitable space and raised rear patio

    130 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 3 Dec 2024
  11. Decided - Refused6/2019/0645/HOUSE

    Erection of single storey rear extension

    17 Frampton Road, Little Heath, Potters Bar, EN6 1JF

    Received 19 Mar 2019
  12. Decided - Granted6/2024/1914/LAWP

    Certificate of lawfulness for installation of solar panels

    6 Sheepcote Welwyn Garden City AL7 4QD

    Received 7 Oct 2024
  13. Decided - Refused6/2017/2692/LAWP

    Certificate of Lawfulness for the installation of rear dormer and front velux lights to facilitate loft conversion

    91 Bluebridge Road Brookmans Park Hatfield AL9 7UN

    Received 20 Nov 2017
  14. Decided - Granted6/2024/1154/FULL

    Change of use of part of first floor offices (Use Class E) to six apartments (Use Class C3) and alterations to fenestration

    10-14 Church Road Welwyn Garden City AL8 6PS

    Received 20 Jun 2024
  15. Decided - Granted6/2019/0465/HOUSE

    Erection of part single, part two storey rear extension, single storey side extension and detached outbuilding

    8 Runsley Welwyn Garden City AL7 1NJ

    Received 28 Feb 2019
  16. Decided - Granted6/2021/0826/HOUSE

    Erection of a part single storey, part two storey side and rear extension

    29 The Chase Welwyn AL6 0QT

    Received 15 Mar 2021
  17. Decided - Granted6/2023/0976/HOUSE

    Erection of single storey rear extension, installation of bifold doors & raising existing parapet to side

    20 Coneydale Welwyn Garden City AL8 7RZ

    Received 9 May 2023
  18. Decided - Granted6/2023/0083/S106A

    Application under S106A seeking discharge of the obligation to carry out gas ground monitoring from the boreholes as per S106 Agreement dated 6 May 2005 and Deed of Covenant dated 22 May 2006 (Land at Chequersfield N6/2004/1483/DE) (quarterly inspections by way of visually inspecting the Virtual Gas Barrier to ensure the above ground vents are free from debris and are not damaged or vandalised will continue)

    Scholars Walk, Eddington Crescent, Welwyn Garden City AL7 4SQ

    Received 12 Jan 2023
  19. Decided - Refused6/2025/0416/EMT

    Removal of hedge section (H3) to achieve 1m clearance from front left corner.

    47 Pentley Park Welwyn Garden City AL8 7SF

    Received 5 Mar 2025
  20. Decided - Granted6/2021/0502/HOUSE

    Erection of single storey rear extension, conversion of existing garage and infill of front porch.

    14 Twin Foxes Woolmer Green SG3 6QT

    Received 16 Feb 2021
  21. Decided - Granted6/2025/2447/COND

    Submission of details pursuant of condition 1 (materials), condition 2 (ASHP), condition 3 (solar panels), condition 4 (bulkhead and flood lighting), condition 5 (bike-rack), condition 6 (bin store), condition 7 (parking) on planning permission 6/2025/0777/FULL

    Digswell Methodist Church Warren Way Digswell Welwyn AL6 0DH

    Received 21 Nov 2025
  22. Decided - Granted6/2021/0938/LAWE

    Certificate of Lawfulness for stationing of a caravan

    Land north of Pooleys Lane Welham Green Hatfield AL9 7LH

    Received 23 Mar 2021
  23. Decided - Granted6/2021/0899/HOUSE

    Raising of the ridge, formation of dormer to rear slope and installation of 3 x rooflights to front slope

    3 Oakington Welwyn Garden City AL7 2PS

    Received 19 Mar 2021
  24. Decided - Granted6/2018/1017/HOUSE

    Erection of a single storey rear extension

    7 Colgrove Welwyn Garden City AL8 6HY

    Received 18 Apr 2018

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.

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  • 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.

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  • 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.

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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.

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