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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
28,259Searchable applications
307Recorded as pending
87%Approval rate · 23,363 approved or refused records
3,133Refused applications

20,230 approved · 3,133 refused · 1,514 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - RefusedN6/2014/0120/FP

    Erection of two replacement dwellings and new access following the demolition of existing dwelling and garage

    Plas-y-coed Digswell Lane Welwyn AL6 0SN

    Received 22 Jan 2014
  2. Decided - WithdrawnW6/2010/1540/EM

    Formation of vehicle hardstanding

    44 Hollybush Lane Welwyn Garden City AL7 4JN

    Received 8 Jul 2010
  3. Decided - Granted6/2020/2156/HOUSE

    Proposed loft conversion to rooflights and rear window.

    10 Reeves Court Welwyn AL6 9FU

    Received 25 Aug 2020
  4. Decided - Granted6/2023/0467/HOUSE

    Erection of two storey rear and single storey side extension, conversion of garage and front porch

    110 Guessens Road Welwyn Garden City AL8 6RS

    Received 1 Mar 2023
  5. Decided - Granted6/2022/2223/TPO

    Reduce back to previous cut of London Plane covered by TPO354 T3 Reduction of 1 x Hornbeam by 30%

    89 Hazel Grove Hatfield AL10 9DR

    Received 26 Sept 2022
  6. Decided - Granted6/2018/3216/HOUSE

    Erection of single storey rear extension

    15 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 18 Dec 2018
  7. Decided - Granted6/2019/2524/EM

    Fell 1 x Hazel tree Reduce 1 x Hawthorn tree by 3m height & 1m width

    189 Handside Lane Welwyn Garden City AL8 6TE

    Received 9 Oct 2019
  8. Under Consultation6/2026/1778/EM

    Chimney removal following stage 3 survey

    13 Fordwich Road Welwyn Garden City AL8 6EX

    Received 6 Oct 2026
  9. Decided - Granted6/2026/0222/EM

    Replacement of all windows and doors at front and back of house (Retrospective)

    8 Bassingburn Walk Welwyn Garden City AL7 3QQ

    Received 9 Feb 2026
  10. Decided - Withdrawn6/2018/2624/EM

    Retrospective erection of timber annexe

    12 Brooms Close Welwyn Garden City AL8 7JA

    Received 12 Oct 2018
  11. Decided - Split6/2025/2244/COND

    Submission of details pursuant of Condition 15 (Archaeological Written Scheme of Investigation) and Condition 19 (Provision of Fire Hydrants) on planning permission 6/2023/1802/MAJ

    Land East of A6129 Stanborough Hatfield AL8 7TB

    Received 23 Oct 2025
  12. Decided - Refused6/2017/1403/LAWE

    Certificate of Lawfulness for existing use as A3 Restaurant

    17 Market Place Hatfield AL10 0LJ

    Received 23 Jun 2017
  13. Decided - Refused6/2017/2895/COND

    Submission of details pursuant to condition 4 Part 2 (Remediation Scheme) and condition 4 Part 5 (Long Term Monitoring and Maintenance) on planning permission N6/2011/0359/OP

    Site of Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 13 Dec 2017
  14. Decided - Refused6/2021/3465/PN27

    Enlargement of a dwelling house by construction of additional storeys

    35 The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 10 Dec 2021
  15. Decided - GrantedN6/2014/0432/FP

    Erection of single storey side extension

    2 Digswell Hill Welwyn AL6 9AL

    Received 27 Feb 2014
  16. Decided - Granted6/2016/0201/COND

    Approval of details reserved by condition 6 (materials), condition 8 (manure removal), condition 10 (parking plan), condition 11 (access plan), condition 15 (bat survey), condition 16 (site plan), condition 17 (lighting), condition 22 (risk assessment), condition 23-25 (remediation scheme) and condition 26 (long term scheme) on outline planning permission S6/2014/1403/OP

    Firs Farm Stables, Woodside Lane, Hatfield, AL9 6DF

    Received 8 Feb 2016
  17. Decided - Granted6/2020/0770/EMT

    Reduce 1 x Whitebeam Tree by 30%

    30 Crossway Welwyn Garden City AL8 7EE

    Received 24 Mar 2020
  18. Decided - Granted6/2019/0835/EM

    Replacement doors and windows

    63 Boundary Lane Welwyn Garden City AL7 4EG

    Received 8 Apr 2019
  19. Decided - Granted6/2024/1799/EM

    Erection of a single storey rear extension, new ground floor window (front) and extension of front footpath

    79 Rosedale Welwyn Garden City AL7 1DP

    Received 18 Sept 2024
  20. Decided - Granted6/2017/0397/TPO

    To fell 2 ash and 2 sycamore and remove one dead stem from multistem sycamore from TPO3 W21 and sever stems of 11 windthrown alder from TPO617 G1.

    Lower Woodside Farm, Woodside Lane, Hatfield, Herts, AL9 6PH

    Received 1 Mar 2017
  21. Decided - Granted6/2018/0429/HOUSE

    Erection of a single storey rear extension with construction of a parapet roof lantern following demolition of existing conservatory

    74 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 12 Feb 2018
  22. Decided - Granted6/2019/1178/LAWP

    Certificate of lawfulness for the proposed single storey rear extension

    Hill House Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 15 May 2019
  23. Decided - GrantedW6/2014/0878/EM

    Erection of single storey rear extension

    7 Wren Wood, Welwyn Garden City, AL7 1QF

    Received 24 Apr 2014
  24. Decided - Withdrawn6/2015/2162/EM

    Change of use from amenity land to garden land

    12 Pelham Court, Welwyn Garden City, AL7 2LL

    Received 15 Oct 2015

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

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    Planning application documents: what to read first

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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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