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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2004/0318/FP

    ERECTION OF DETACHED DWELLING

    LAND AT, WILD OAKS, ELLENBROOK LANE, HATFIELD, HERTFORDSHIRE

    Received 2 Mar 2004
  2. Decided - RefusedN6/2004/1487/FP

    ERECTION OF PART TWO STOREY AND PART SINGLE STOREY SIDE AND REAR EXTENSION

    37 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 6 Oct 2004
  3. Under Consideration6/2025/1420/COND

    Submission of details pursuant to condition 2 (Photographic record of building) on planning permission 6/2025/0034/LB

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 4 Jul 2025
  4. Decided - Granted6/2020/1784/HOUSE

    Erection of outbuilding for storage and home working

    19 Purdom Road Welwyn Garden City AL7 4FH

    Received 21 Jul 2020
  5. Decided - Withdrawn6/2018/1994/TPO

    Reduce crown of 1 x Oak tree by 30%

    67 Rowans Welwyn Garden City AL7 1NZ

    Received 30 Jul 2018
  6. Decided - Granted6/2017/1045/EM

    Removal of Plum tree - Dead & Dangerous

    8 Attimore Close Welwyn Garden City AL8 6LN

    Received 10 May 2017
  7. Decided - Granted6/2019/1833/TPO

    Reduce 2 x Oak trees by 20%-30% (T8 and T6)

    2 Carbone House Carbone Hill Northaw Potters Bar EN6 4PL

    Received 24 Jul 2019
  8. Decided - GrantedW6/2007/1071/EM

    ERECTION OF PERGOLA IN REAR GARDEN

    8 Pentley Close, Welwyn Garden City, AL8 7SH

    Received 18 Jul 2007
  9. Decided - RefusedS6/2015/0227/LUP

    Certificate of lawfulness for a proposed detatched garage and pool complex and BBQ

    Woodhill Farm, Kentish Lane, Brookmans Park, Hatfield, AL9 6JY

    Received 5 Feb 2015
  10. Decided6/2024/0788/TC

    T1 Yew x 2 to reduce to 3m above ground level. T2 Elder x 1 to fell to ground level.

    St Eltheldreda's Church 2 Fore Street Old Hatfield AL9 5AL

    Received 26 Apr 2024
  11. Decided - Granted6/2022/0545/TPO

    T1 Oak Tree (TPO96) Cut ivy ring around the entire circumference of the tree as close to ground level and at approx. 1.5m up the trunk. “Monolith” reduction (see Pink lines in attached photo) 50% “Monolith” reduction, leaving a single trunk approx. 7m/8m tall and removal of the laterally extending limbs.

    21 Plough Hill Cuffley Potters Bar Hertfordshire EN6 4DW

    Received 8 Mar 2022
  12. Decided - Refused6/2019/1419/LAWE

    Certificate of lawfulness for retention of 1 x shipping container used for storage in the rear of garages

    Land to the rear of 164 Daniells Welwyn Garden City AL7 1QW

    Received 12 Jun 2019
  13. Decided - GrantedN6/2009/1155/TC

    REDUCTION OF TREES LOCATED ALONG DRIVEWAY AND REDUCTION OF TREES LOCATED IN REAR GARDEN

    54 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LB

    Received 18 May 2009
  14. Decided - Granted6/2021/1067/LAWP

    Certificate of lawfulness for erection of hip to gable roof extension and rear dormer including installation of two roof windows to the front of the property.

    36 Holme Road Hatfield AL10 9LF

    Received 31 Mar 2021
  15. Decided6/2019/2043/TC

    Reduce 1x Cherry tree by 2m (T1) Fell 1x Rowan tree (T2)

    72 Parkway Welwyn Garden City AL8 6HH

    Received 15 Aug 2019
  16. Decided - GrantedN6/2006/0127/FP

    INSTALLATION OF NEW DOORS AND WINDOWS AND ASSOCIATED INTERNAL ALTERATIONS

    Unit 9 Martinfield Buisness Centre Martinfield Welwyn Garden City AL7 1HG

    Received 31 Jan 2006
  17. Decided - Granted6/2025/1581/EMT

    1 x Cherry plum to reduce by approximately 3m in height and 2m in width - Reducing to maintain suitable size and shape for the garden 1 x Silver birch to reduce by approximately 4m in height and 2.5m in width - Close to neighbouring properties. Reduce to maintain suitable size and shape for garden

    122 Sweet Briar Welwyn Garden City AL7 3EA

    Received 22 Jul 2025
  18. Decided - Granted6/2020/0521/COND

    Submission of details pursuant to condition 4 (indoor ambient noise levels) on application 6/2018/1519/MAJ

    STREET RECORD Chequers Field

    Received 24 Feb 2020
  19. Decided - Refused6/2024/2228/EMT

    Pine to fell.

    8 Beehive Green Welwyn Garden City AL7 4BE

    Received 19 Nov 2024
  20. Decided - Refused6/2021/3155/HOUSE

    Conversion of loft to habitable use including 1 x rear dormer with Juliette balcony and insertion of 1 x side facing window to existing gable end.

    17 Great Braitch Lane Hatfield AL10 9FD

    Received 4 Nov 2021
  21. Decided - Granted6/2024/2167/EMT

    Fell 2 x Cypress Fell 1 x Birch Fell 1 x Hawthorn

    24 Coneydale Welwyn Garden City AL8 7RZ

    Received 11 Nov 2024
  22. Decided - GrantedN6/2008/1005/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION

    12 LYTTON GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EG

    Received 27 Jun 2008
  23. Decided - Granted6/2024/1248/LB

    Erection of garden room; replacement of gates; replacement staircase; levelling the bedroom floor; and merging the existing WC and cloakroom on the ground floor with new wall and doors. New pipework to bathroom. New vent

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 4 Jul 2024
  24. Decided - Granted6/2021/0924/EM

    Change ground floor living room rear garden facing window to double doors

    255 Howlands Welwyn Garden City AL7 4HG

    Received 22 Mar 2021

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