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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 Nov 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2019/0617/TC

    Fell 2 x unknown species trees - covered by conservation area

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 15 Mar 2019
  2. Decided - Withdrawn6/2020/1648/LAWP

    Erection of single storey rear extension

    50 Bell Lane Hatfield AL9 7AY

    Received 30 Jun 2020
  3. Appeal Decided - Dismissed6/2022/2139/HOUSE

    Erection of part single & part 2-storey rear extension, roof extension & alterations to openings

    30 Barleycroft Road Welwyn Garden City Hertfordshire AL8 6JU

    Received 13 Sept 2022
  4. Decided - Granted6/2023/0595/LAWP

    Certificate of lawfulness for a loft conversion with construction of rear dormer and insertion of window to side elevation. Erection of single storey rear extension

    29 Little Ganett Welwyn Garden City AL7 3DG

    Received 16 Mar 2023
  5. Decided - Granted6/2017/1221/HOUSE

    Erection of single storey rear extension, part single part double storey side extension, installation of roof lantern and elevated patio to rear plus remodelling of all elevations and new roof with rear facing dormer and roof windows following demolition of existing garage

    158 Tolmers Road, Cuffley, Potters Bar, EN6 4JR

    Received 5 Jun 2017
  6. Decided - Refused6/2017/2774/HOUSE

    Erection of single storey side and rear extension including alterations to openings

    28 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 28 Nov 2017
  7. Decided - Granted6/2025/2400/FULL

    Change of Use from C3 (single family dwelling) to C2 (residential institution) children and young people’s home / supported living unit for children and young people (maximum of 2 service users).

    5 New Road Welwyn Garden City AL8 7TX

    Received 17 Nov 2025
  8. Appeal Decided - AllowedN6/2006/0411/FP

    CHANGE OF USE TO FORM RESIDENTIAL DWELLING

    South House Digswell Place Rectory Road Welwyn Garden City AL8 7SU

    Received 29 Mar 2006
  9. Decided - GrantedN6/2004/0254/FP

    ERECTION OF REAR CONSERVATORY

    16 Lords Wood Welwyn Garden City AL7 2HF

    Received 20 Feb 2004
  10. Decided - Granted6/2024/0942/VAR

    Variation of condition 1 (Arboricultural Method Statement & Tree Protection Plan) & condition 10 (Approved Plans) on planning permission 6/2023/2294/FULL

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 20 May 2024
  11. Decided - Granted6/2025/0710/ADV

    Installation of 5m EV Totem pole sign

    40 Morrisons Supermarket Petrol Filling Station Black Fan Road Welwyn Garden City AL7 1RY

    Received 14 Apr 2025
  12. Decided - GrantedS6/2007/1644/LU

    CERTIFICATE OF LAWFULLNESS FOR ERECTION OF REAR CONSERVATORY

    33 Astwick Avenue Hatfield AL10 9LB

    Received 5 Nov 2007
  13. Decided - Refused6/2015/1724/EM

    Erection of a post rail wooden fence along front boundary

    52 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 13 Aug 2015
  14. Decided - Granted6/2018/2925/LAWP

    Certificate of lawfulness for the construction of a single storey rear extension and porch

    35 Heyford Way Hatfield AL10 0AT

    Received 14 Nov 2018
  15. Decided - Granted6/2023/2520/HOUSE

    Erection of a part single part two storey rear extension, first floor side extension, two storey front extension, stone portico front porch, roof alterations including a crown roof with 2x rear dormers, chimney removal x2 and increase in ridge height, garage conversion, fenestration and facade alterations

    32 Pine Grove Brookmans Park Hertfordshire AL9 7BS

    Received 19 Dec 2023
  16. Decided - Granted6/2016/2191/COND

    Approval of details reserved by condition 3 (Location of scaffolding and other equipment) on planning permission 6/2016/0322/HOUSE

    48A Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 18 Oct 2016
  17. Decided - Granted6/2023/2178/EM

    Erection of shed in back garden

    2 Reddings Welwyn Garden City AL8 7LA

    Received 25 Oct 2023
  18. Decided - Granted6/2022/1071/EMT

    Rear boundary hedge to cut back by approximately 1.5m width. Reduce height from Holly & Laurel by 3m. We are reducing the size to maintain size and manage hedge

    19 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 9 May 2022
  19. Decided - Withdrawn6/2024/0857/FULL

    Erection of new veterinary practice

    Land adjoining Tolmers Park Carbone Hill SG13 8RB

    Received 7 May 2024
  20. Decided - Granted6/2022/1387/EM

    Installation of ev charging point on front / side of building

    9 Dellcott Close Welwyn Garden City AL8 7BB

    Received 15 Jun 2022
  21. Decided - GrantedN6/2009/0385/TE

    REMOVAL OF APPLE TREE IN REAR GARDEN

    131 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 16 Feb 2009
  22. Decided - Granted6/2016/0421/HOUSE

    Erection of a two storey rear extension and conversion of garage to habitable room, incorporating internal lift and external front access ramp to main entrance

    5 Station Road Digswell Welwyn AL6 0DF

    Received 10 Mar 2016
  23. Decided - GrantedW6/2008/1969/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    5 THE CLOISTERS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6DU

    Received 14 Oct 2008
  24. Decided - Split6/2018/2435/COND

    Submission of details pursuant to condition 5 (contamination risks) on planning permission N6/2012/1654/OP

    Land to the rear of Unit D City Park Watchmead Welwyn Garden City AL7 1LT

    Received 24 Sept 2018

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

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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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