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
40,285Searchable applications
321Recorded as pending
86%Approval rate · 33,777 approved or refused records
4,815Refused applications

28,962 approved · 4,815 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2077/HOUSE

    Erection of part single, part double storey side and rear extensions with roof lights and garage conversion

    12 Grangewood Little Heath Potters Bar EN6 1SH

    Received 15 Sept 2017
  2. Decided - GrantedN6/2013/1819/FP

    Erection of two storey and single storey rear extension

    98 Forresters Drive, WELWYN GARDEN CITY, AL7 2JQ

    Received 21 Aug 2013
  3. Decided - GrantedW6/2004/0147/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSIONS

    10 Handside Close, Welwyn Garden City, AL8 6SR

    Received 2 Feb 2004
  4. Decided - Granted6/2025/2366/PN15

    The proposed installation of a telecommunications base station comprising a 20m monopole supporting 9no antennas and 2 no dishes with wraparound cabinet at the base, together with 6 no equipment cabinets and ancillary development thereto

    Grass Verge Outside Premier Inn Comet Way Lemsford Road Hatfield AL10 0DA

    Received 11 Nov 2025
  5. Decided - Granted6/2018/1753/HOUSE

    Erection of first floor side extension with front and rear dormers and single storey rear infill extension.

    9 Hillside Way Welwyn AL6 0TY

    Received 3 Jul 2018
  6. Decided - Granted6/2024/1144/HOUSE

    Erection of chimney flue to side elevation

    12A Elm Drive Hatfield AL10 8NU

    Received 19 Jun 2024
  7. Decided - Granted6/2019/1506/EM

    Reduce 1 x Lawson Cypress tree by 5m height. Reduce 1 x Cherry tree by 4m height & 2.5m width Reduce 1 x Field Maple tree by 3m height & 1.5m width

    224 Thistle Grove Welwyn Garden City AL7 4AL

    Received 20 Jun 2019
  8. Decided - Granted6/2016/0883/HOUSE

    Conversion of existing integrated garage to a habitable room

    104 Forresters Drive, Welwyn Garden City, AL7 2JQ

    Received 6 May 2016
  9. Decided6/2025/1191/TC

    1 x Cypress to reduce height by around 1m, trim sides to create a more cylindrical shape. To maintain size and shape for garden 1 x Holly to reduce by around 1-1.5m, trim sides round creating a cone shape appearance. To maintain size and shape for garden

    139 Handside Lane Welwyn Garden City AL8 6TA

    Received 13 Jun 2025
  10. Decided - GrantedW6/2004/1009/EM

    ERECTION OF A REAR CONSERVATORY

    10 Nursery Hill, Welwyn Garden City, AL7 1UE

    Received 5 Jul 2004
  11. Decided - Granted6/2016/2256/HOUSE

    Alterations to existing single storey rear extension to form habitable room

    13 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 27 Oct 2016
  12. Decided - GrantedS6/2006/0383/FP

    ERECTION OF REAR CONSERVATORY

    Easdale Hawkshead Road Little Heath Potters Bar EN6 1LU

    Received 23 Mar 2006
  13. Decided - Refused6/2022/2619/HOUSE

    Erection of a part single storey, part two storey rear extension with Juliet balcony and rooflights, alterations to porch and existing openings, insertion of new windows in flank wall, removal of chimney, and alteration of external materials from dashed render with smooth painted render, following the demolition of the existing rear conservatory

    43 London Road Woolmer Green Hertfordshire SG3 6JE

    Received 16 Nov 2022
  14. Decided - RefusedS6/2008/0816/FP

    CHANGE OF USE FROM A1 TO SUI GENERIS (BEAUTY SALON)

    2 MAYNARD PLACE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JA

    Received 23 May 2008
  15. Decided - Granted6/2016/1884/TPO

    Sycamore (S1) - Fell 2 stems, reduction of 3rd stem to around 8ft - Conservation Area

    44 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 12 Sept 2016
  16. Decided - GrantedS6/2007/0605/FP

    ERECTION OF A FREE STANDING TIMBER SMOKING SHELTER TO FRONT ELEVATION

    THE HOPFIELDS P.H., HOMESTEAD ROAD, HATFIELD, HERTFORDSHIRE, AL100QW

    Received 17 Apr 2007
  17. Decided - Granted6/2024/1438/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    11 Dawley Welwyn Garden City AL7 1EA

    Received 30 Jul 2024
  18. DecidedN6/2014/1673/TC

    Reduction by 30-40% of Lime Tilia tree

    14 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 23 Jul 2014
  19. DecidedN6/2014/1077/TC

    Fell Two Silver birch trees to ground level and remove stumps and reduce die back in Oak crown by 30%

    3 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 27 May 2014
  20. Decided6/2017/2587/TPO

    Reduce 3 x Yew trees by 50% - Conservation Area

    The Mill House Mill Lane Welwyn AL6 9EU

    Received 7 Nov 2017
  21. Decided - GrantedS6/2014/0886/FP

    Installation of three roof lights to accomodate loft conversion to habitable space

    2a High Ridge, Cuffley, Potters Bar, EN6 4JH

    Received 22 Apr 2014
  22. Decided - Granted6/2016/2106/HOUSE

    Erection of two storey front extension with alterations to entrance door and surround

    Carbone House, Carbone Hill, Northaw, Potters Bar, EN6 4PL

    Received 7 Oct 2016
  23. Decided - Refused6/2024/1784/HOUSE

    Erection of single storey front extension and part single, part double storey rear extension

    22 Grove Lea Hatfield AL10 8LA

    Received 16 Sept 2024
  24. Decided - GrantedS6/2013/1967/FP

    Erection of garage to rear of property

    1 Stonecross Road, Hatfield, AL10 0HR

    Received 11 Sept 2013

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

    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