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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2743/HOUSE

    Erection of single storey rear extension and part first floor rear extension with glazed canopy to side/rear

    151 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 5 Dec 2022
  2. Decided - Granted6/2024/2100/EMT

    1 x Lawson cypress to remove in sections to ground level. Nuisance to neighbour and also stopping the walnut crown to grow properly 1 x Walnut to reduce by approximately 1.2m height and width. Reducing to maintain size and shape 1 x Lawson cypress to reduce by approximately 2m in height to retain size and shape

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 31 Oct 2024
  3. Decided - Granted6/2022/0531/TPO

    Fell 34 dead/dangerous Larch Fell 1 dead/dangerous Sycamore Remove deadwood from 1 x Common Lime, 1 x Norway Maple and 2 x Sycamore as per Tree identification in Appendix 2 of the report Trees subject to TPO260 W2. TPO260 G2

    Land ADJ to Welwyn Footpath 058 Mornington Digswell Welwyn AL6 0AJ

    Received 7 Mar 2022
  4. Decided - Granted6/2017/0574/HOUSE

    Installation of front window dormer with flat roof and alterations to existing side & rear doors and windows

    3 Oaklands Rise Welwyn AL6 0RH

    Received 21 Mar 2017
  5. Decided - Granted6/2021/2862/EMT

    Fell 1 x Conifer

    37 Digswell Road Welwyn Garden City AL8 7PB

    Received 5 Oct 2021
  6. Decided - GrantedN6/2004/0243/AD

    INTERANALLY ILLUMINATED SHOP FASCIA AND PROJECTING STATIC SIGN.

    38 Wigmores North Welwyn Garden City AL8 6PH

    Received 18 Feb 2004
  7. Under Consideration6/2026/1358/EMT

    5x self set ash trees reduce in height by about 40%

    69 Lodgefield Welwyn Garden City AL7 1SE

    Received 31 Jul 2026
  8. Decided - Granted6/2015/2410/EM

    Conversion of window in kitchen into a back door

    22 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 26 Nov 2015
  9. Decided - Granted6/2016/0088/TPO

    Removal of Cypress tree from front garden - Conservation Area

    14 Moorlands, Welwyn Garden City, AL7 4PP

    Received 15 Jan 2016
  10. Decided - Granted6/2022/0191/LAWP

    Certificate of lawfulness for the proposed conversion of the existing garage to a cinema room (habitable space)

    36 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 27 Jan 2022
  11. Decided6/2023/2378/TC

    2 x Apple tree (T1 and T3), 1 x Cherry tree (T2), 1 x Cherry Plum tree (T4). All to be crown reduced by 40% and branch thinned by 30% maximum.

    80 Handside Lane Welwyn Garden City AL8 6SJ

    Received 27 Nov 2023
  12. Decided - Granted6/2021/3317/FULL

    Extend the existing South East elevation.

    Unit A Bridgefields Welwyn Garden City AL7 1RX

    Received 24 Nov 2021
  13. Decided - Granted6/2023/1965/EM

    Replacement of UPV front door with wooden door

    47 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 25 Sept 2023
  14. Decided - GrantedW6/2015/1310/TE

    Removal of hedge

    67 Handside Lane Welwyn Garden City AL8 6SH

    Received 19 Jun 2015
  15. Decided - Granted6/2024/2396/HOUSE

    Installation of a rear inground swimming pool with enclosure

    35 Station Road Welham Green Hatfield AL9 7PF

    Received 18 Dec 2024
  16. Decided - Refused6/2021/1598/HOUSE

    Raising of parapet wall and installation of rooflights to the detached outbuilding

    11 Meadow Green Welwyn Garden City AL8 6SS

    Received 19 May 2021
  17. Decided - GrantedS6/2007/0312/FP

    TWO STOREY SIDE EXTENSION.

    59 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 27 Feb 2007
  18. Decided - GrantedW6/2007/0452/EM

    REPLACEMENT OF REAR CONSERVATORY.

    25 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 19 Mar 2007
  19. Decided - Granted6/2022/1653/LAWP

    Certificate of Lawfulness for erection of front porch.

    76 Birchwood Avenue Hatfield Hertfordshire AL10 0PS

    Received 13 Jul 2022
  20. Decided6/2025/2416/TC

    Magnolia to reduce to around 1.2m above historic points. Mulberry to reduce to around 2m above ground level. Goat Willow to reduce to 2m above ground level.

    4 Hillside Welwyn Garden City AL7 4PZ

    Received 18 Nov 2025
  21. Decided - Granted6/2022/0527/ADV

    Installation of 5 x non-illuminated wordmark signs on the south western, north eastern and north western elevations, together with 28 x signs across the site including 2 x illuminated signs

    30 Watchmead Welwyn Garden City AL7 1LT

    Received 7 Mar 2022
  22. Decided - Granted6/2023/0104/TPO

    Tree location is the grass verge opposite number 16/17 Scholars Mews T3 Oak to reduce selective limbs by approximately 3m in height, reduce branches over sailing lawn by approximately 2m in width (tree located in Scholars Mews) TPO 928 (2018)

    19 Scholars Mews Welwyn Garden City Hertfordshire AL8 7JQ

    Received 16 Jan 2023
  23. Decided - Granted6/2021/1189/TPO

    Two oaks - reduction of 30% to height and canopy

    Tennis Courts 39m From Brookmans Park Golf Club, In Brookmans Park, 33m From Unnamed Road Golf Club Road Brookmans Park Hatfield AL9 7AX

    Received 13 Apr 2021
  24. Decided - GrantedS6/2014/0964/FP

    Erection of first floor rear extension and installation of two windows to side elevations

    25 Bradgate, Cuffley, Potters Bar, EN6 4RW

    Received 23 Apr 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