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
40,205Searchable applications
309Recorded as pending
86%Approval rate · 33,717 approved or refused records
4,806Refused applications

28,911 approved · 4,806 refused · 2,210 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2006/0093/FP

    ERECTION OF REAR SINGLE STOREY EXTENSION

    The White Horse 30 Mill Lane Welwyn AL6 9ET

    Received 23 Jan 2006
  2. Decided - Granted6/2021/0206/EM

    Installation of uPVC front door to existing porch, in keeping with existing windows.

    25 Mill Green Road Welwyn Garden City AL7 3UX

    Received 22 Jan 2021
  3. Decided - GrantedW6/2013/0244/TE

    Crown reduce Liquid Amber tree by 25%

    19 Roundwood Drive, WELWYN GARDEN CITY, AL8 7JZ

    Received 4 Feb 2013
  4. Decided6/2022/1244/TC

    T1 -Oak- Reduce the crown all round by 2-3 metres to maintain its size and shape for the garden

    61 Pentley Park Welwyn Garden City AL8 7SF

    Received 26 May 2022
  5. Decided - GrantedW6/2013/2027/EM

    Formation of hardstanding to front garden

    8 Howicks Green, Welwyn Garden City, AL7 4RH

    Received 16 Sept 2013
  6. Decided - GrantedN6/2004/1599/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    54 Attimore Road Welwyn Garden City AL8 6LP

    Received 27 Oct 2004
  7. Decided - GrantedW6/2013/1758/EM

    Erection of single storey front extension to garage, part conversion of garage to habitable accommodation and insertion of one roof light, raising height of existing porch and alterations to rear elevations of existing garage

    39 Crossway, Welwyn Garden City, AL8 7ED

    Received 13 Aug 2013
  8. Decided - Withdrawn6/2018/1907/EM

    Retention of rear studio and proposed alterations to front and rear garden landscaping, enlargement of front hardstanding, installation of rear decking, pergola and gabion wall and replacement of rear fence

    71 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 19 Jul 2018
  9. Decided6/2023/0351/TC

    Oak tree at end of back garden of 7 Elmwood Removal of deadwood branches for safety reasons It does not overhang any buildings, but does hang over the playground of Apple croft school so we would ensure the school and any neighbours are aware, and agree a suitable time.

    7 Elmwood Welwyn Garden City AL8 6LD

    Received 14 Feb 2023
  10. Decided - Granted6/2025/0932/EM

    Erection of a single storey rear extension and demolition of timber shed

    15 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 20 May 2025
  11. Decided - GrantedS6/2007/0826/FP

    ERECTION OF SHED (RETROSPECTIVE APPLICATION)

    39 Endymion Road Hatfield AL10 8AT

    Received 8 Jun 2007
  12. Decided - Split6/2018/0345/COND

    Submission of details pursuant to condition 2 (materials samples), 3 (detailed plans of roads, footways, cycleways, foul and surface water drainage), 4 (construction management plan) ,5 (hard and soft landscaping) ,6 (tree survey, protection plan, arboricultural method statement and site monitoring schedule) and 7 (external lighting details) on planning permission N6/2015/1131/FP, dated 07/01/2016

    Garage site r/o 39-53 Great Ganett Welwyn Garden City AL7 3DB

    Received 2 Feb 2018
  13. Decided - GrantedN6/2015/1084/TC

    Removal of Hornbeam tree

    116 Lemsford Lane, Welwyn Garden City, AL8 6YP

    Received 21 May 2015
  14. Decided6/2020/1225/FULL

    Change of use of the land to allow for use as a depot for the provision of internet cable services including open storage of machinery, vehicles and aggregates, siting of portacabins, and retention of fuel tanks for a temporary period

    Land at Roehyde Ryders Avenue A414 North Orbital Road Hatfield AL4 0RZ

    Received 2 Jun 2020
  15. Decided - Granted6/2022/2155/HOUSE

    Erection of single storey rear/side extension, part conversion of existing garage following part demolition of existing side extension and loft conversion with alterations to openings, including insertion of roof lights

    15 Fearnley Road Welwyn Garden City AL8 6HW

    Received 15 Sept 2022
  16. Decided6/2020/3165/TC

    1 x Plum tree - Reduce width by 1m

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 25 Nov 2020
  17. Decided - GrantedS6/2008/1247/FP

    LOFT CONVERSION INCORPORATING REAR DORMER

    93 Broad Acres Hatfield AL10 9LE

    Received 17 Jul 2008
  18. Decided - GrantedS6/2014/1677/FP

    Conversion of garage into habitable space

    5 Gorseway Hatfield AL10 9GS

    Received 24 Jul 2014
  19. Decided - Granted6/2022/2614/EM

    Single storey rear extension and insertions of bifold doors and raising existing parapet to side

    20 Coneydale, Welwyn Garden City, AL8 7RZ

    Received 16 Nov 2022
  20. Decided - GrantedW6/2004/0078/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO GARAGE

    40 High Oaks Road, Welwyn Garden City, AL8 7BS

    Received 20 Jan 2004
  21. Decided6/2018/0754/TPO

    Reduce 1 x Apple tree back to previous - 2.5m height & width - Conservation Area

    122 Parkway Welwyn Garden City AL8 6HN

    Received 21 Mar 2018
  22. Decided - Granted6/2024/0306/FULL

    Erection of two new dwellings following the demolition of the existing B8 commercial building

    Cuffley Hills Barn The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 15 Feb 2024
  23. Decided - Refused6/2019/0278/EM

    Erection of part single, part first floor rear extension including installation of side dormer

    4 Coneydale Welwyn Garden City AL8 7RY

    Received 7 Feb 2019
  24. Decided - Granted6/2016/1595/HOUSE

    Erection of single storey rear extension and conversion of garage to habitable space

    32 De Havilland Close Hatfield AL10 0DR

    Received 4 Aug 2016

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

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