England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/2439/NM

    NON-MATERIAL AMENDMENT

    26 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 2 Nov 2009
  2. Decided - WithdrawnS6/2009/1814/CD

    PROPOSED TEMPORARY ACCESS OF COOPERS GREEN LANE TO SAND AND GRAVEL EXTRACTION AREA AT SYMONDSHYDE FARM FOR QUARRY PLANT AND VEHICLES

    HATFIELD QUARRY, OAKLANDS LANE, SMALLFORD, HATFIELD, HERTFORDSHIRE, AL4 0HT

    Received 26 Aug 2009
  3. Decided - GrantedN6/2015/0779/LUP

    Certificate of lawfulness for proposed dog proof fencing

    6 Briary Wood Lane Welwyn AL6 0TF

    Received 10 Apr 2015
  4. Decided - Refused6/2023/2086/LAWE

    Certificate of lawfulness for an existing front boundary wall

    120 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 12 Oct 2023
  5. Decided - Granted6/2022/1847/HOUSE

    Erection of part two storey, part single storey rear extensions and single storey front extension.

    10 Warren Dale Welwyn Garden City Hertfordshire AL8 7HN

    Received 8 Aug 2022
  6. Decided6/2023/1377/TC

    Reduce tree of unknown species to avoid damage to overhead wires

    35 Elm Gardens Welwyn Garden City AL8 6RX

    Received 3 Jul 2023
  7. Decided - Withdrawn6/2019/1781/EM

    Erection of a two storey side and rear extension

    49 Attimore Road Welwyn Garden City AL8 6LG

    Received 19 Jul 2019
  8. Decided - Granted6/2023/0205/LAWP

    Certificate of lawfulness for single-storey side extension and fenestration alterations

    3 Park Road Northaw Potters Bar EN6 4NU

    Received 27 Jan 2023
  9. Decided - GrantedS6/2004/1051/CD

    INSTALLATION OF DISABLED PLATFORM LIFT.

    FIVE OAKS PRIMARY & NURSERY SCHOOL, TRAVELLERS LANE, HATFIELD, HERTFORDSHIRE, AL108TQ

    Received 9 Jul 2004
  10. Decided - Granted6/2017/2328/COND

    Submission of details pursuant to conditions 1 (material samples), 3i (Operations and Noise assessment), 4 (Archaeological Investigation) and 12 (Fire hydrants) on planning permission 6/2017/0624/MAJ dated 04/10/17

    Plot 5000 Hatfield Business Park Hatfield AL10 9EZ

    Received 11 Oct 2017
  11. Decided - Granted6/2022/0075/HOUSE

    Demolition of existing rear conservatory to facilitate the erection of a single storey rear extension and first floor side extension.

    17 Monks Rise Welwyn Garden City AL8 7NF

    Received 12 Jan 2022
  12. Decided - Granted6/2019/0179/TPO

    Fell 1x Scots Pine Tree T16 covered by TPO 775 (2018) G3

    54 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 29 Jan 2019
  13. Decided - Refused6/2022/2788/FULL

    Change of use from Dwelling house (Class C3) to Children's home (Class C2)

    64 Walker Grove Hatfield AL10 9PL

    Received 8 Dec 2022
  14. Decided - Withdrawn6/2018/2785/PN8

    Prior approval for the erection of a single storey rear extension measuring 2m in depth, 3m in height, 2.775m to the eaves

    42 Uplands Welwyn Garden City AL8 7EW

    Received 26 Oct 2018
  15. Decided - Refused6/2021/2325/FULL

    Erection of a detached 3 x bed dwelling following demolition of rear garages.

    2 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 5 Aug 2021
  16. Decided - Granted6/2019/0754/VAR

    Variation of condition 8 (first & second floor northern elevation windows) and condition 10 (approved plans) on planning permission 6/2016/1857/VAR

    Flats 15A-E, 15 Station Road, Cuffley, EN6 4HT

    Received 29 Mar 2019
  17. Decided - GrantedN6/2007/1231/FP

    PROPOSED SINGLE STOREY REAR AND SIDE EXTENSION

    17 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LH

    Received 15 Aug 2007
  18. Decided - RefusedS6/2013/1193/FP

    Erection of bin store to facilitate resident’s household waste

    Welwyn Hatfield Foyer Goldings House, Goldings Crescent, Hatfield, AL10 8TZ

    Received 7 Jun 2013
  19. Decided - Granted6/2026/0786/EMT

    T1 Leylandii conifer to fell

    31 Stoneycroft Welwyn Garden City AL7 1QU

    Received 6 May 2026
  20. Decided - GrantedS6/2008/0433/LB

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    64 MOFFATS LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RU

    Received 28 Feb 2008
  21. Decided - Granted6/2017/0581/HOUSE

    Erection of first floor front extension, front canopy porch and single storey rear extension.

    4 Woodlands, Brookmans Park, Hatfield, AL9 7AN

    Received 21 Mar 2017
  22. Decided - GrantedN6/2007/1451/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    3 Mimram Road Welwyn AL6 9HA

    Received 2 Oct 2007
  23. Decided - GrantedW6/2014/1752/EM

    Erection of single storey rear extension, part conversion of garage to habitable accommodation and alteration to front elevation. Erection of shed and base.

    76 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 4 Aug 2014
  24. Decided - Granted6/2019/2486/HOUSE

    Erection of a pagoda, installation of 2 side rooflights and 2 ground floor side windows

    9 Butterwick Way Welwyn

    Received 7 Oct 2019

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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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