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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/0008/EM

    Reduce 1 x Walnut tree by around 1.5m in height and width

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 3 Jan 2019
  2. Decided - GrantedN6/2006/0544/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    37 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 26 Apr 2006
  3. Decided - GrantedS6/2013/1194/FP

    Erection of rear extension, side extension and loft conversion

    57 Northaw Road East, Cuffley, Potters Bar, EN6 4LY

    Received 10 Jun 2013
  4. Decided - Refused6/2025/2287/LB

    Erection of a single storey rear extension incorporating two conservation roof-lights. Associated works to include all gable roofs to be re-laid with new felt and battens reusing existing plain clay tiles. Replacing existing timber casement windows

    10 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 28 Oct 2025
  5. Appeal Decided - Allowed6/2018/0411/ADV

    Installation of 1 x internally illuminated fascia sign, 1 x non-illuminated hanging sign and 4 x non-illuminated di-bond panels

    Sainsburys 44 Church Road Welwyn Garden City AL8 6SA

    Received 9 Feb 2018
  6. Decided - GrantedS6/2007/0433/FP

    ERECTION OF REAR CONSERVATORY.

    42 Oaklands Wood, Hatfield, AL10 8LU

    Received 15 Mar 2007
  7. Decided - Refused6/2025/0152/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.4m in height and 2.9m to the eaves

    4 Summer Dale Welwyn Garden City AL8 7QJ

    Received 29 Jan 2025
  8. Decided - Refused6/2016/1912/TPO

    Reduce Oak tree (T2) by 20% covered by TPO 283 (2003)

    19 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QA

    Received 15 Sept 2016
  9. Decided - Granted6/2022/2505/EM

    Replacement Velux windows.

    102 Handside Lane Welwyn Garden City AL8 6SY

    Received 1 Nov 2022
  10. Decided - Granted6/2023/0707/VAR

    Variation of condition 1 (materials samples), condition 2 (waste manure management plan) and condition 4 (approved plans) on planning permission 6/2021/0480/HOUSE

    7 Danesbury Lane Welwyn Hertfordshire AL6 9SG

    Received 29 Mar 2023
  11. Decided - Granted6/2025/0519/EM

    Garage conversion with raising of roof and alterations to openings

    2 Robin Mead Welwyn Garden City AL7 1PP

    Received 19 Mar 2025
  12. Decided - GrantedW6/2004/0630/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION WITH NEW ROOF LIGHT TO REAR ELEVATION

    2 Brockett Close, Welwyn Garden City, AL8 7BN

    Received 29 Apr 2004
  13. Decided - GrantedN6/2013/1029/FP

    Replacement and relocation of 6 antenna on free standing platforms, relocation of existing 600mm transmission dish and additional 600mm transmission dish on freestanding platforms and replacement and upgrade of existing equipment within equipment room

    Campus West, The Campus, WELWYN GARDEN CITY, AL8 6UB

    Received 17 May 2013
  14. Decided - GrantedW6/2004/1177/EM

    SINGLE STOREY REAR EXTENSION AND NEW POSITIONING OF KITCHEN WINDOW

    9 Scholars Mews, Welwyn Garden City, AL8 7JQ

    Received 2 Aug 2004
  15. Decided - Granted6/2018/2569/EM

    Erection of single storey rear extension

    113 Haldens Welwyn Garden City AL7 1DQ

    Received 5 Oct 2018
  16. Decided - GrantedN6/2004/0094/FP

    ERECTION OF PART SINGLE, PART TWO STOREY REAR EXTENSON. ERECTION OF NEW GARAGE FOLLOWING DEMOLITION OF EXISTING

    21 Attimore Road Welwyn Garden City AL8 6LQ

    Received 21 Jan 2004
  17. Appeal Decided - Dismissed6/2021/1792/HOUSE

    Erection of single storey rear extension, roof extension with rear dormer window, insertion of rooflights, internal alterations, landscaping and associated works.

    The Coach House 31 School Lane Welwyn AL6 9PQ

    Received 9 Jun 2021
  18. Decided - WithdrawnN6/2004/0731/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXETENSION, AND SINGLE STOREY REAR EXTENSION.

    44 Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 17 May 2004
  19. Decided - Granted6/2021/1268/FULL

    Installation of 12 x ventilation grilles into the fabric (metal cladding) of an existing light industrial unit

    2 City Park Pacific House Swiftfields Welwyn Garden City AL7 1LY

    Received 20 Apr 2021
  20. Decided6/2026/0052/TC

    3 x Himalayan birch to reduce by around 1.5m in height and width. 3 x Holm oak to reduce by around 0.5m height, cut back width to clear cabin roof.

    16 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 13 Jan 2026
  21. Decided - Granted6/2022/1729/COND

    Submission of details pursuant to condition 1 (internal plaster removal) and condition 2 (existing and proposed surface finish) on listed building consent 6/2021/2497/LB

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 22 Jul 2022
  22. Decided6/2020/1662/TC

    Fell 1 x Sycamore Tree Reduce 1 x Hawthorn Tree by 4m height & 1.5m width

    16 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 10 Jul 2020
  23. Decided - GrantedS6/2006/0279/FP

    ERECTION OF SIDE EXTENSION TO EXISTING BOWLS CLUB.

    King George V Playing Fields Northaw Road East Cuffley Potters Bar

    Received 6 Mar 2006
  24. Decided - Granted6/2022/1081/HOUSE

    Erection of part two storey and part single storey rear extensions, alterations to openings and erection of detached ancillary garden room

    111 Wellcroft Road Welwyn Garden City AL7 3JX

    Received 9 May 2022

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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