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
40,024Searchable applications
298Recorded as pending
86%Approval rate · 33,566 approved or refused records
4,794Refused applications

28,772 approved · 4,794 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/2042/HOUSE

    Erection of single storey rear extension and double storey side extension to create a granny annexe and new bedroom, and the creation of a new driveway

    57 Crossway Welwyn Garden City AL8 7ED

    Received 23 Oct 2024
  2. Decided - GrantedS6/2015/0138/LUE

    Certificate of Lawfulness for the existing single storey side and rear extension

    12 Pleasant Rise, Hatfield, AL9 5DS

    Received 26 Jan 2015
  3. Decided - Granted6/2018/2996/EM

    Fell 1 x Silver Birch tree

    5 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 22 Nov 2018
  4. Decided - Granted6/2023/2404/HOUSE

    Erection of single storey front and side extension

    68 New Park Road Newgate Street Hertford SG13 8RF

    Received 29 Nov 2023
  5. Decided - GrantedN6/2014/1842/NM

    Non material amendment following approval of planning permission N6/2012/1583/FP - Alterations to approved fenestrations in front, side and rear elevations

    14 Willow Walk Welwyn AL6 9SQ

    Received 18 Aug 2014
  6. Decided - GrantedS6/2008/0782/DS

    DISCHARGE OF CONDITIONS 2,3,4,5 & 6 OF DECISION NOTICE S6/2007/1166/FP

    TOLMERS COTTAGE, CARBONE HILL, NORTHAW, HERTFORD, HERTFORDSHIRE, SG13 8RG

    Received 28 May 2008
  7. Decided - Granted6/2022/1826/COND

    Submission of details pursuant of condition 7 (lighting) on planning permission 6/2021/1612/VAR

    The District Cemetery South Way Hatfield AL10 8HS

    Received 4 Aug 2022
  8. Decided - Refused6/2025/0822/COND

    Submission of details pursuant to condition number 8 (External lighting) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 29 Apr 2025
  9. Decided - Granted6/2017/1007/COND

    Submission of details pursuant to condition 2 (materials) on planning permission 6/2016/1257/HOUSE

    17 Vine Close Welwyn Garden City AL8 7PS

    Received 10 May 2017
  10. Decided - Granted6/2026/0301/EMT

    1 x Cotoneaster to reduce height and width approximately back to near previous pruning points (approx 2.5m height & 1.5m width). 1 x Laurel to reduce approximately back to near previous pruning points (approx 2.5m height, trim sides in hard).

    14 Little Dell Welwyn Garden City AL8 7HZ

    Received 19 Feb 2026
  11. Decided - Granted6/2020/1787/COND

    Submission of details pursuant to condition 3 (external materials) of planning permission 6/2020/0468/HOUSE

    Hatfield Lodge, Newgate Street, Hertford, SG13 8NH

    Received 21 Jul 2020
  12. Decided - Granted6/2023/0258/HOUSE

    Erection of single garage to an existing outbuilding

    Flat 1 The Red House 54 New Road Digswell Welwyn AL6 0AH

    Received 2 Feb 2023
  13. Decided - Granted6/2019/0526/EM

    Erection of a Shed

    84 Dawley Welwyn Garden City AL7 1DX

    Received 8 Mar 2019
  14. Decided - Granted6/2025/1494/TPO

    TPO 3 - T1 & T2 - 2 x Ash to remove to ground level - Close to garage and growing through phone lines T3 x Sycamore to remove to ground level - Close to garage and growing through phone lines T4 & T5 - 2 x Elms to remove to ground level - Too close to garage and dead T6 - 1 x Holly to remove to ground level - this tree is dead

    Essendon Lodge School Lane Essendon Hatfield AL9 6HD

    Received 8 Jul 2025
  15. Decided - GrantedW6/2013/2732/TE

    Removal of 10 Conifer trees

    2 Rayfield, Welwyn Garden City, AL8 7HR

    Received 19 Dec 2013
  16. Decided - Granted6/2024/1582/LAWP

    Certificate of lawfulness for a new extract fan on side elevation

    178 Handside Lane Welwyn Garden City AL8 6SZ

    Received 20 Aug 2024
  17. Decided6/2023/1570/EIA

    Request for a screening opinion in relation to a proposed replacement data centre

    Hertfordshire Data Centre, Mundells, Welwyn Garden City AL7 1GE

    Received 28 Jul 2023
  18. Decided - Granted6/2026/0094/HOUSE

    Erection of a single storey side and rear extension following the demolition of the existing garden store and covered passage

    200 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 22 Jan 2026
  19. Decided - Granted6/2024/0882/COND

    Submission of details pursuant to condition number 1 (Soft Landscaping) on planning permission 6/2022/2712/FULL

    37 Little Ganett Welwyn Garden City AL7 3DG

    Received 10 May 2024
  20. Decided - Refused6/2016/2176/COND

    Approval of details reserved by condition 5 (Section details for terrace) on planning permission N6/2004/1136/FP

    Fountain House, 1-7 Howardsgate, Welwyn Garden City, AL8 6AL

    Received 17 Oct 2016
  21. Decided - Granted6/2020/2882/EMH

    Erection of a single storey rear extension, following demolition of existing rear conservatory.

    36 Heather Road Welwyn Garden City AL8 6XU

    Received 4 Nov 2020
  22. Decided - Granted6/2017/2544/EM

    Erection of front porch extension

    19 Creswick Court Welwyn Garden City AL7 3SX

    Received 3 Nov 2017
  23. Appeal Decided - DismissedN6/2015/0095/FP

    Erection of a part single part two storey rear extension, insertion of front single storey bay window and enlargement of front first floor window

    2 Lytton Gardens, Welwyn Garden City, AL8 6EG

    Received 21 Jan 2015
  24. Decided - Granted6/2022/2072/HOUSE

    Erection of single-storey & two-storey extension with installation of rooflights and installation of rear facing dormers to facilitate the conversion of the loft to habitable space.

    21 Barleycroft Road Welwyn Garden City Hertfordshire AL8 6JX

    Received 6 Sept 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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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