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
37,836Searchable applications
335Recorded as pending
86%Approval rate · 31,594 approved or refused records
4,452Refused applications

27,142 approved · 4,452 refused · 2,037 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2007/1966/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    6 Homestead Lane, Welwyn Garden City, AL7 4LU

    Received 20 Dec 2007
  2. Decided - WithdrawnW6/2010/0066/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    23 MILLFIELD, WELWYN GARDEN CITY, HERTS, AL7 2DY

    Received 12 Jan 2010
  3. DecidedN6/2008/1394/TE

    REMOVAL OF TREE FROM FRONT GARDEN

    56 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DN

    Received 11 Aug 2008
  4. Decided - Withdrawn6/2023/0210/HOUSE

    Erection of a two storey rear and side extension with roof alterations including a front dormer and side windows, following the demolition of existing side and rear extensions

    12 Hillside Way Welwyn AL6 0TY

    Received 27 Jan 2023
  5. Decided - RefusedS6/2013/1953/FP

    Erection of two storey side extension

    6 Shrublands, Brookmans Park, Hatfield, AL9 7AL

    Received 11 Sept 2013
  6. Decided6/2022/1372/TPO

    S211 conservation area tree works notice Lawson cypress, goat willow and Laburnum to fell to ground level. Lawson cypress is starting to lift and damage paving in front garden Laburnum is dead Goat willow is in decline and has little foliage 1 x Cherry to fell to ground level - crown is showing sign of decline with lots of die back and deadwood.

    18 The Old Drive Welwyn Garden City AL8 6TB

    Received 14 Jun 2022
  7. Decided - Granted6/2018/1565/HOUSE

    Erection of replacement utility room and enlarged garage

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 12 Jun 2018
  8. Decided - Granted6/2019/2742/COND

    Submission of details pursuant to condition 4 (archaeological report) on planning permission 6/2018/1599/FULL

    20 Kindersley Close Welwyn AL6 9RN

    Received 30 Oct 2019
  9. Decided - GrantedW6/2007/0315/EM

    ERECTION OF 1.8 METRE PANEL AND 1 METRE MESH FENCE TO SIDE BOUNDARY FENCE

    60 Moorlands, Welwyn Garden City, AL7 4QG

    Received 27 Feb 2007
  10. Decided - WithdrawnS6/2014/0877/FP

    Erection of two storey side and rear extensions

    91 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 23 Apr 2014
  11. Decided - Split6/2017/1546/COND

    Submission of details pursuant to conditions 2 (bat mitigation), 3 (sound attenuation measures), 4 (materials) & 5 (sash window details) on planning permission 6/2016/0818/MAJ dated 08.09.2016

    Stonehills House Stonehills Welwyn Garden City AL8 6NH

    Received 17 Jul 2017
  12. Decided - Granted6/2017/1061/EM

    Erection of part single storey, part two storey side extension following demolition of single storey extension. Installation of new window openings, internal alterations, formation of parking space

    6 Densley Close Welwyn Garden City AL8 7JX

    Received 16 May 2017
  13. Decided - Granted6/2019/0578/VAR

    Variation of condition 2 (approved drawings) on planning permission 6/2017/2019/FULL

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

    Received 12 Mar 2019
  14. Decided - Refused6/2022/2412/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3m in height and 3m to the eaves following the demolition of existing extension

    22 Mymms Drive Hatfield AL9 7AF

    Received 18 Oct 2022
  15. Decided - Granted6/2023/2476/TPO

    T8 Oak to crown lift crown 3.5m from ground level, and crown reduce by 2.5m (back but not beyond previous pruning points)

    The Pavilions (Hatfield) Management Company Limited Situated at 26-58 Gorseway Hatfield AL10 9GS

    Received 12 Dec 2023
  16. Decided6/2019/2352/TC

    Fell 1 x Common Hawthorn T15 Fell 1 x Common Oak T31 Fell 1 x Common Hornbeam T48 Reduce 1 x Common Oak (remove hanging branch over road) T9 Reduce 1 x Sycamore (Remove hanging branch from crown) T10 Reduce 1 x Sycamore (Remove hanging branch from crown) T11 Reduce 1 x Common Ash (Fell southern stem) T40

    St Lawrence Church Bibbs Hall Lane Welwyn

    Received 24 Sept 2019
  17. Decided - GrantedW6/2013/2048/TE

    Reduce Yew tree by 20% and remove 4 branches

    7 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 16 Sept 2013
  18. Decided - GrantedS6/2015/1462/HOUSE

    Erection of single storey side extension and alterations to front porch to increase roof height

    1 Bluebridge Avenue Brookmans Park Hatfield AL9 7RY

    Received 7 Jul 2015
  19. Decided - GrantedN6/2014/0409/TC

    Reduce crown of Hornbeam tree by 40%

    4 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 18 Feb 2014
  20. Decided - Granted6/2018/1768/HOUSE

    Erection of front porch, two storey side and single storey rear extension including installation of rooflights and rear dormer to facilitate loft conversion to habitable space

    42 Plough Hill Cuffley Potters Bar EN6 4DR

    Received 5 Jul 2018
  21. DecidedN6/2014/1160/TC

    Removal of Vine, Rose and Prunus and Apple trees and treating of stumps

    5 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 4 Jun 2014
  22. Decided - Granted6/2015/1917/COND

    Approval of details reserved by condition 6 (paint gloss scheme) on planning permission N6/2014/2788/LB

    Ayot Cottage, Hill Farm Lane, Ayot St Lawrence, Welwyn, AL6 9BT

    Received 14 Sept 2015
  23. Decided - RefusedS6/2014/1317/FP

    Erection of wooden gate posts and gates to driveway entrance

    22 Bluebridge Road, Brookmans Park, Hatfield, AL9 7SB

    Received 9 Jun 2014
  24. Decided6/2022/1516/TC

    Reduce 70ft oak tree by 30% Reduce the height of 3 holly trees by 50% and 1 by 30% Reduce the height of yew tree by 50% Reduce apple tree by 30% Reduce pear tree by 30% Reduce Laburnum tree by 30%

    16 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 29 Jun 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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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.

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