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
40,247Searchable applications
321Recorded as pending
86%Approval rate · 33,743 approved or refused records
4,812Refused applications

28,931 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0158/EM

    Erection of a single storey rear extension to replace an existing conservatory

    10 The Pastures Welwyn Garden City AL7 4PX

    Received 30 Jan 2025
  2. Decided - GrantedS6/2007/0264/FP

    ERECTION OF TWO NEW DWELLINGS FOLLOWING THE DEMOLITION OF EXISTING DWELLING;TO INCLUDE CHANGES TO ROOF DESIGN, INSERTION OF ROOFLIGHTS, INSERTION OF DORMER WINDOW TO REAR ELEVATION AND RETENTION OF EXISTING ACCESS (AMENDMENTS TO PLANNING PERMISSION S6/2006/705/FP)

    69 Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 19 Feb 2007
  3. Decided - Granted6/2026/0749/HOUSE

    Erection of single rear extension

    6 Witchford Welwyn Garden City AL7 2PR

    Received 28 Apr 2026
  4. Decided - RefusedS6/2005/1293/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    49 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 12 Oct 2005
  5. Decided - Granted6/2021/2319/TPO

    Reduce 1 x Oak tree (T1) by 3m Reduce 1 x Oak tree (T2) by 7.5m Reduce 2 x Oak trees (T3, T4) by 5m Fell 2 x Ash trees (T5, T6) covered by TPO 158

    63A Peplins Way Hatfield AL9 7UR

    Received 4 Aug 2021
  6. Decided6/2023/1843/TPO

    T19 & T20 Common Lime cut back the branches of 2 overhanging trees by 30%

    Harepark House Bibbs Hall Lane Ayot St Lawrence AL6 9BY

    Received 4 Sept 2023
  7. Decided - Refused6/2016/1249/HOUSE

    Erection of part two storey and part single storey rear extension

    136 Holwell Road, Welwyn Garden City, AL7 3RW

    Received 22 Jun 2016
  8. Under Consideration6/2026/0902/PIP

    Residential development of five units

    Site Of Former Swan Stables Woodside Lane AL9 6DE

    Received 20 May 2026
  9. Decided - RefusedN6/2009/2190/TE

    REDUCE HEIGHT OF LIME TREE BY 50% AND REMOVE BRANCHES OVERHANGING 10 PARKWAY

    CO-OPERATIVE, MRS C GREENHAM, 8 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG

    Received 9 Oct 2009
  10. Decided - GrantedW6/2013/0080/TE

    Removal of Sycamore tree

    Pump Cottage, 6 Handside Green, WELWYN GARDEN CITY, AL8 6SQ

    Received 15 Jan 2013
  11. Decided - Granted6/2023/0242/COND

    Submission of details pursuant of condition 2 (tree protection) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 31 Jan 2023
  12. Decided - GrantedN6/2013/1938/MA

    Erection of three storey infill extension and single storey extension on eastern (rear) elevation to provide additional office accommodation (including Council Chamber) and associated access and landscaping alterations

    Welwyn Hatfield Borough Council, Campus East, The Campus, Welwyn Garden City, AL8 6AE

    Received 16 Sept 2013
  13. Decided - GrantedW6/2010/0289/EM

    ERECTION OF FIRST FLOOR EXTENSION

    6 WILLOW GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NA

    Received 15 Feb 2010
  14. Decided - Granted6/2016/1688/FULL

    Erection of 3 no. timber garden buildings

    The Dutch Nursery Great North Road Brookmans Park Hatfield AL9 6ND

    Received 18 Aug 2016
  15. Decided - GrantedN6/2009/0137/TE

    RESHAPING OF TWO SYCAMORE TREES AND REMOVAL OF LEYLANDII IN REAR GARDEN

    13 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BB

    Received 26 Jan 2009
  16. Decided - RefusedN6/2007/0387/DT

    INSTALLATION OF A 15 METRE TELECOMMUNICATION SLIM LINE COLUMN WITH ANTENNA AND GROUND FLOOR EQUIPMENT CABINETS WITHIN FENCED COMPOUND

    LAND OFF, DIGSWELL PARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8

    Received 7 Mar 2007
  17. Decided6/2018/3240/TPO

    Re pollard 1 x Goat Willow tree - Conservation Area

    13 Hillside Welwyn Garden City AL7 4PZ

    Received 20 Dec 2018
  18. Decided - GrantedS6/2008/0345/FP

    ERECTION OF TWO DETACHED DWELLINGS, EXTENSION TO CARPARK WITH ASSOCIATED VEHICULAR ACCESS

    OXLEASE METHODIST CHURCH, WOODS AVENUE, HATFIELD, HERTFORDSHIRE, AL10 8NA

    Received 22 Feb 2008
  19. Decided - Refused6/2024/0013/HOUSE

    Erection of single storey side extension following the demolition of existing conservatory

    The Bungalow Lakeside Manor West End Lane Essendon Hatfield AL9 6AZ

    Received 3 Jan 2024
  20. Decided - Granted6/2015/1833/FULL

    Change of use from residential and garden land to mixed use of residential and garden land and commercial cattery and erection of a new cattery

    73 Great Ganett Welwyn Garden City AL7 3DB

    Received 28 Aug 2015
  21. Decided - Granted6/2020/0958/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.80m in depth, 3.00m in heights and 3.00m to the eaves

    34 Frampton Road Little Heath Potters Bar EN6 1JE

    Received 28 Apr 2020
  22. Decided - Granted6/2019/0878/EM

    Retention of a part single, part two storey rear extension

    49 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 11 Apr 2019
  23. Decided - GrantedN6/2005/1302/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    21 Furzefield Road Welwyn Garden City AL7 3RL

    Received 14 Oct 2005
  24. Decided - GrantedN6/2008/0325/AD

    INSTALLATION OF TWO INTERNALLY ILLUMINATED FASCIA SIGNS AND PROJECTION SIGN

    1-5 SHOPLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RH

    Received 19 Feb 2008

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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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • 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