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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2024/0709/TC

    Removal of Walnut tree due to causing subsidence to the house/garage

    5 Beehive Lane Welwyn Garden City AL7 4BB

    Received 16 Apr 2024
  2. Decided - Granted6/2022/0517/HOUSE

    Erection of a single storey rear extension with roof lights and insertion of window to existing side elevation

    196 Boundary Lane Welwyn Garden City AL7 4DF

    Received 4 Mar 2022
  3. Decided - Refused6/2019/1280/EM

    Formation of hardstanding and replacement of paving

    1 Howicks Green Welwyn Garden City AL7 4RJ

    Received 30 May 2019
  4. Decided - GrantedS6/2014/0437/FP

    Erection of single storey rear extension

    1 Dixons Hill Close, Welham Green, Hatfield, AL9 7EF

    Received 28 Feb 2014
  5. Decided - Refused6/2025/0162/PN8

    Prior approval for the erection of a rear extension measuring 8m in depth, 2.6m in height and 2.6m to the eaves

    53 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 30 Jan 2025
  6. Decided - GrantedN6/2006/0266/LB

    ALTERATIONS TO DWELLING AND GARAGE

    Old Hall Farm Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 3 Mar 2006
  7. Decided - Granted6/2022/1839/LAWP

    Certificate of lawfulness for detached incidental outbuilding measuring 4m x 5m to be used as an office with toilet.

    33 The Avenue Welwyn AL6 0PW

    Received 8 Aug 2022
  8. Decided - Split6/2022/0672/COND

    Submission of details pursuant to condition 9 (proposed cycle store) and 10 (proposed bin store and access arrangement) on planning application 6/2020/0456/FULL

    75 Oaklands Avenue Brookmans Park Hertfordshire AL9 7UH

    Received 21 Mar 2022
  9. Decided - Granted6/2024/1627/COND

    Submission of details pursuant of condition 2 (landscaping) on planning permission 6/2024/1078/HOUSE

    77 Cranfield Crescent Cuffley Potters Bar EN6 4DZ

    Received 27 Aug 2024
  10. Decided - Granted6/2021/2448/LAWP

    Certificate of lawfulness for the demolition of incidental building and erection of a replacement incidental building to incorporate gym, changing room, sauna and store room

    Skyborne 21 Kentish Lane Hatfield AL9 6NG

    Received 23 Aug 2021
  11. DecidedN6/2008/1884/TC

    REMOVE CONIFER TREE IN REAR GARDEN, REMOVE EPICORMIC GROWTH FROM SILVER BIRCH IN FRONT GARDEN

    19 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LJ

    Received 7 Oct 2008
  12. Decided - Granted6/2021/0538/FULL

    Replacement of stable building

    1 Reynards Road Welwyn AL6 9TR

    Received 18 Feb 2021
  13. Decided - Granted6/2015/1640/HOUSE

    Erection of single storey side extension and alteration to front elevation to two storey end of terrace dwelling house

    40 Twin Foxes Woolmer Green Knebworth SG3 6QT

    Received 30 Jul 2015
  14. Decided - GrantedN6/2009/2728/TE

    THIN SYCAMORE TREE BY 25% LOCATED IN REAR GARDEN

    4 HANDSIDE CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SR

    Received 24 Dec 2009
  15. Decided - GrantedW6/2008/0269/EM

    ERECTION OF SUMMERHOUSE IN REAR GARDEN

    6 GRAYSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BL

    Received 12 Feb 2008
  16. To be Considered DMC-Date to be Agreed6/2022/2801/MAJ

    Demolition of all existing buildings and structures followed by the erection of five buildings to provide 313 residential units (Use Class C3); car and cycle parking, cycle and refuse storage, hard and soft landscaping, external lighting, drainage, infrastructure and all associated works

    Campus East Car Park College Way Welwyn Garden City AL8 6DG

    Received 9 Dec 2022
  17. Decided - GrantedW6/2004/0192/EM

    ERECTION OF A REAR CONSERVATORY

    5 The Reeds, Welwyn Garden City, AL7 3BN

    Received 10 Feb 2004
  18. Decided - Granted6/2017/1871/COND

    Submission of details pursuant to condition 4 (construction method statement) on planning permission 6/2016/2131/FULL, dated 06/02/2017

    5 Firbank Barn Close Welwyn Garden City AL8 6SU

    Received 22 Aug 2017
  19. Decided - GrantedC6/1988/7034/AD

    Non illumated signs

    Bridge Road East / Tewin Road, Welwyn Garden City

    Received 11 Mar 1988
  20. Decided - GrantedN6/2014/2784/DS

    Approval of details reserved by conditions 3 (materials) and 4 (roof materials) of Planning Application N6/2014/0926/FP

    26 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB

    Received 23 Dec 2014
  21. Decided - Granted6/2026/1140/EMT

    2 x Apples to prune back to previous pruning points, approx 1m height & width.

    14 Moorend Welwyn Garden City AL7 4QL

    Received 30 Jun 2026
  22. Decided - GrantedN6/2013/1172/AD

    Installation of 1 x fascia sign and 1 x totem sign

    ATS Euromaster, 17 Tewin Road, WELWYN GARDEN CITY, AL7 1BD

    Received 4 Jun 2013
  23. Decided - Granted6/2024/0304/EM

    Erection of single storey rear extension following demolition of existing conservatory

    36 Mountway Close Welwyn Garden City AL7 4JZ

    Received 14 Feb 2024
  24. Decided - RefusedS6/2014/1025/NM

    Non material amendment following approval of planning permission S6/2011/1829/FP - Alter the roof to porch from lean-to, to gabled roof and replace roof coverings

    4 Bluebridge Avenue, Brookmans Park, Hatfield, AL9 7RZ

    Received 19 May 2014

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