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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
40,297Searchable 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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2025/0677/COND

    Submission of details pursuant to Condition 4 (Cycle Parking) and Condition 6 (Noise Impact Assessment) on planning permission 6/2022/2632/FULL

    31A Howardsgate Welwyn Garden City AL8 6AP

    Received 8 Apr 2025
  2. Decided - Granted6/2017/2982/EM

    Erection of single storey rear extension

    108 Cole Green Lane Welwyn Garden City AL7 3JD

    Received 28 Dec 2017
  3. Decided - Granted6/2020/0435/HOUSE

    Installation of front dormer and erection of a single storey rear extension and car port

    4 Roundwood Close Welwyn AL6 0XB

    Received 17 Feb 2020
  4. Decided - GrantedS6/2007/0581/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED ERECTION OF SINGLE STOREY SIDE EXTENSION.

    Tolmers Scout Camp Tolmers Road Cuffley Potters Bar EN6 4JS

    Received 10 Apr 2007
  5. Decided - GrantedN6/2005/1552/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED LOFT CONVERSION WITH SIDE AND REAR DORMERS

    26 Hertford Road Digswell Welwyn AL6 0DB

    Received 15 Dec 2005
  6. Decided - Granted6/2026/0407/EM

    Alterations and Replacement Driveway from concrete to block paved

    67 Handside Lane Welwyn Garden City AL8 6SH

    Received 5 Mar 2026
  7. Decided - Granted6/2022/0006/EMT

    To remove (fell) Leylandii (T1) from the rear garden. Replant with standard fruiting tree (native cherry or apple) in the same position in the rear garden.

    40 Sandpit Road Welwyn Garden City AL7 3TJ

    Received 5 Jan 2022
  8. Decided - Granted6/2023/0788/HOUSE

    Conversion of garage to form habitable space

    56 Gresley Close Welwyn Garden City AL8 7QB

    Received 11 Apr 2023
  9. Decided - GrantedN6/2004/0939/FP

    SINGLE STOREY REAR EXTENSION

    331 Howlands Welwyn Garden City AL7 4HN

    Received 23 Jun 2004
  10. Decided - WithdrawnS6/2007/1045/FP

    ERECTION OF SINGLE DWELLING WITH INTEGRAL GARAGE FOLLOWING THE DEMOLITION OF THE EXISTING DWELLING AND DETATCHED GARAGE.

    39 Kentish Lane Brookmans Park Hatfield AL9 6NG

    Received 10 Jul 2007
  11. Decided - GrantedW6/2009/2623/EM

    TWO STOREY SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION, AND INSERTION OF TWO WINDOWS

    6 WALNUT COURT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4EZ

    Received 2 Dec 2009
  12. Decided - Granted6/2015/2249/EM

    Erection of single storey rear extension

    88 Boundary Lane, Welwyn Garden City, AL7 4DP

    Received 3 Nov 2015
  13. Decided - Granted6/2016/2475/COND

    Approval of details reserved by condition 16 (Parking Scheme) on planning permission S6/2013/2231/MA

    Land at Green Close Station Road Green Close Brookmans Park Hatfield

    Received 22 Nov 2016
  14. Appeal Decided - Allowed6/2020/2248/OUTLINE

    Outline permission for the erection of up to 100 dwellings, with all matters reserved except access

    Roundhouse Farm, Land Off of Bullens Green Lane, Colney Heath AL4 0FU

    Received 2 Sept 2020
  15. Decided - Granted6/2020/0936/TPO

    Reduce 1 x Oak Tree (T1) by 25% [TPO 108]

    19 Mardley Wood Welwyn AL6 0UY

    Received 27 Apr 2020
  16. Decided - Granted6/2015/2122/TPO

    Reduce Ginko Biloba by up to 30%, remove 5 branches on Lime tree plus removal of Damson tree - Conservation Area.

    55 Valley Road, Welwyn Garden City, AL8 7DH

    Received 12 Oct 2015
  17. Decided - Granted6/2021/3200/HOUSE

    Erection of single storey rear extension involving demolition of existing conservatory

    15 Attimore Close Welwyn Garden City AL8 6LN

    Received 9 Nov 2021
  18. Decided - GrantedW6/2014/1732/EM

    Erection of rear garden room

    17 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 1 Aug 2014
  19. Decided - Granted6/2026/0358/HOUSE

    Part conversion of existing garage, front infill extension and alterations to fenestration

    20 Turmore Dale Welwyn Garden City AL8 6HS

    Received 26 Feb 2026
  20. Decided6/2025/0891/TC

    4 x Spruce to lift lowest branches from all tree lifting canopy to around 4m above ground level to allow more light to lower shrub bed

    38 Valley Road Welwyn Garden City AL8 7DN

    Received 15 May 2025
  21. Decided - Refused6/2017/2487/HOUSE

    Erection of two storey rear extension

    4 Crop Common Hatfield AL10 0DF

    Received 25 Oct 2017
  22. DecidedS6/2013/0798/DS

    Discharge of conditions 3 (Hard and Soft Landscaping), 5 (Existing Trees), 6 (Acoustic Fencing), 7 (External Surfaces), 8 (Refuse and Recycling), 9 (Remediation), 10 (Energy Requirements), 11 (Construction Method Statement), 12 (Cycle Parking), 13 (External Lighting) 14 (Lifetime Homes), 15 (Archaeological Written Statement) and 16 (Access to Drive) from planning application S6/2012/1345/MA

    22 Dellsome Lane, Welham Green, Hatfield, AL9 7NF

    Received 16 Apr 2013
  23. Decided - Granted6/2021/2682/HOUSE

    Erection of a single storey side extension and front canopy

    109 Crawford Road Hatfield AL10 0PF

    Received 16 Sept 2021
  24. Decided - Refused6/2018/3182/FULL

    Mixed-use development comprising of 8 student residential units (incorporating 21 study bedrooms), 169 sq.m of a4 commercial space(existing) with the associated on-site parking, pedestrian access, refuse and cycle storage

    12 Harpsfield Broadway Hatfield AL10 9TF

    Received 14 Dec 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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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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