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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2406/EM

    Reduce 1 x Hornbeam (T2) 733 (2018) by 20% and lift crown by 2m Reduce 1 x Oak (T3) 733 (2018) Oak crown by 25%

    40 Reddings Welwyn Garden City AL8 7LA

    Received 30 Sept 2019
  2. Decided - GrantedN6/2007/1401/LB

    RETENTION OF TWO CCTV CAMERAS TO EXTERNAL ELEVATION

    4 AYOT HOUSE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BP

    Received 20 Sept 2007
  3. Decided - Granted6/2019/2297/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    1 Leefe Way Cuffley Potters Bar EN6 4DF

    Received 16 Sept 2019
  4. Decided - Withdrawn6/2019/3036/HOUSE

    Alterations to roof

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 2 Dec 2019
  5. Decided - Granted6/2026/1307/LAWP

    Certificate of lawfulness for the erection of two new boundary fences, replacement hardstanding and removal of a section of existing hedge

    6 Birdcroft Road Welwyn Garden City AL8 6EQ

    Received 27 Jul 2026
  6. Decided - Granted6/2020/3049/HOUSE

    Single storey rear extension/conversion following partial demolition of outbuildings

    148 Howlands Welwyn Garden City AL7 4RG

    Received 18 Nov 2020
  7. Decided6/2018/2118/TPO

    Reduce 2 x Yew trees and 1 x Walnut tree by 25% -Conservation Area

    The Coach House Ellesfield Welwyn AL6 9HB

    Received 13 Aug 2018
  8. Decided - Granted6/2023/0981/HOUSE

    Erection of a single storey side extension

    3 Heathlands Welwyn AL6 0UU

    Received 9 May 2023
  9. Decided - GrantedN6/2008/0075/TP

    REDUCTION OF CROWN AND TRIM BY 25% AND REMOVAL OF BASAL AND EPICORMIC GROWTH TO LIME TREE T5 COVERED BY TPO 221

    1 Greenways Digswell Welwyn AL6 0EE

    Received 15 Jan 2008
  10. Decided - Granted6/2025/1782/HOUSE

    Erection of an outbuilding for use as a games room and home office

    55 Peplins Way Brookmans Park AL9 7UR

    Received 21 Aug 2025
  11. Decided - Granted6/2026/0033/HOUSE

    Erection of a part single, part two storey side extension

    11 York Way Welwyn AL6 9LB

    Received 8 Jan 2026
  12. Decided - Refused6/2022/0282/FULL

    Erection of a single storey rear extension and erection of a two storey, semi-detached dwelling.

    206 Bishops Rise Hatfield AL10 9QU

    Received 8 Feb 2022
  13. Decided6/2026/1078/TC

    Fell 1 x apple tree. Fell 1 x Himalayan birch.

    23 Dellcott Close Welwyn Garden City AL8 7BB

    Received 22 Jun 2026
  14. Decided - GrantedN6/2013/2654/TC

    Crown reduce Oak tree by 20%

    12 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 13 Dec 2013
  15. Decided - Granted6/2019/2284/COND

    Submission of details pursuant to condition 5 (energy materials and processes) on planning permission 6/2018/0647/VAR - Erection of a five bedroom house with associated landscaping and access

    The Orchard House 53 Brockswood Lane

    Received 16 Sept 2019
  16. Decided - Granted6/2019/0264/FULL

    Change of use from restaurant (A3) to hot food takeaway (A5)

    20 Station Road Cuffley Potters Bar EN6 4HT

    Received 5 Feb 2019
  17. Decided - GrantedN6/2012/2619/FP

    Erection of detached house and integral garage and construction of new driveway

    The Barnhouse Digswell Lane Welwyn AL6 0SP

    Received 13 Dec 2012
  18. Decided - GrantedN6/2015/0466/DS

    Approval of details reserved by condition 5 (archaeological evaluation) of planning permission N6/20140926/FP

    26 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 4 Mar 2015
  19. Decided - Granted6/2020/0835/EM

    Erection of shed

    31 Newfields Welwyn Garden City AL8 6YS

    Received 6 Apr 2020
  20. Decided - Granted6/2023/2483/FULL

    Erection of a detached two storey building with accommodation at lower ground level comprising 9 apartments following demolition of existing property with associated bin and cycle storage and car parking provision

    38 New Road Digswell Welwyn AL6 0AH

    Received 12 Dec 2023
  21. Decided - Granted6/2026/0704/LAWP

    Certificate of lawfulness for change of use from a residential dwelling to a children's home for up to two children with a registered manager, two day carers and two overnight carers working on a rota basis

    7 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 20 Apr 2026
  22. Decided - Granted6/2026/1273/FULL

    Replacement windows and doors to double/triple glazed units and thermal doors with the addition of balcony insulation system to balcony slab and new railings (to match existing, installation of cavity wall insulation to all external walls

    Council owned flats: 26-36 Aldykes Hatfield AL10 8EF and 44-54 Feather Del, Hatfield AL10 8DD

    Received 20 Jul 2026
  23. Decided - Withdrawn6/2019/0902/EM

    Erection of a part-single, part-double-storey extension to rear and side.

    20 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 15 Apr 2019
  24. Decided - GrantedN6/2014/1444/TP

    Taking trunks down by 1m of multiple Lawson's Cypresses of TPO169 G1

    Whetstone Court Whetstone Close Welwyn AL6 0QY

    Received 27 Jun 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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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  • 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