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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0923/HOUSE

    Roof alteration from hip to gable, erection of rear extension to include 2no front dormer windows and installation of front porch

    25 Northaw Road East, Cuffley, Potters Bar, EN6 4LU

    Received 10 May 2016
  2. Decided - RefusedS6/2015/1251/NM

    Non material amendment following approval of planning permission S6/2012/2047/FP - Change to roof tiles, replacement of windows and to render front elevation

    67 Warrengate Road, Hatfield, AL9 7TT

    Received 16 Jun 2015
  3. Decided - GrantedS6/2013/2365/FP

    Erection of single storey front extension with pitched roof above, part two storey and part single storey side and rear extensions

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

    Received 12 Nov 2013
  4. Decided - GrantedW6/2014/1528/EM

    Erection of summerhouse

    23 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 7 Jul 2014
  5. Decided - RefusedS6/2010/0134/FP

    REPLACEMENT FENCING TO BOUNDARY

    TWELVE APOSTLES CHURCH, KENTISH LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6EE

    Received 25 Jan 2010
  6. Decided - Granted6/2019/3189/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in heights and 2.70 to the eaves

    Heathfield 1 Pottersheath Road Welwyn AL6 9TA

    Received 12 Dec 2019
  7. Decided - GrantedN6/2013/0728/FP

    Erection of part single and part two storey rear extension and new window to flank elevation

    8 Rooks Hill, WELWYN GARDEN CITY, AL8 6ET

    Received 12 Apr 2013
  8. Decided - Granted6/2021/3269/HOUSE

    Erection of a front porch

    83 Crawford Road Hatfield AL10 0PF

    Received 17 Nov 2021
  9. Decided - Granted6/2016/1569/EM

    Crown lift 3 Ash trees by 6 metres

    39 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 1 Aug 2016
  10. Decided - GrantedW6/2004/0586/EM

    CONVERSION OF GARAGE WITH INSTALATION OF FRONT WINDOW

    91 Lords Wood, Welwyn Garden City, AL7 2HG

    Received 16 Apr 2004
  11. Decided - Granted6/2021/2701/HOUSE

    Erection of a single storey rear extension

    20 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 17 Sept 2021
  12. Decided - Refused6/2022/2734/EMT

    T22 - Fell oak tree which has Acute Oak Decline

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 2 Dec 2022
  13. Decided - Refused6/2021/2403/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.4m in height and 2.7m to the eaves.

    86 Salisbury Road Welwyn Garden City AL7 3SB

    Received 16 Aug 2021
  14. Decided - Refused6/2017/1738/FULL

    Erection of 2 x 5 bedroom detached dwellings.

    16 Upland Drive Brookmans Park Hatfield AL9 6PS

    Received 7 Aug 2017
  15. Decided - GrantedW6/2014/0793/EM

    Erection of rear dormer

    68 Great Ganett, Welwyn Garden City, AL7 3DE

    Received 10 Apr 2014
  16. Decided - Granted6/2019/0967/EM

    Erection of single storey rear extension

    40 Howlands Welwyn Garden City AL7 4RE

    Received 18 Apr 2019
  17. Decided - Granted6/2024/1030/EM

    Erection of a single storey rear extension, raising of existing flat roof to side extension and insertion of rooflight into existing roof

    27 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 3 Jun 2024
  18. Decided - Refused6/2017/1662/ADV

    Retention of 8 x 2 m tall non-illuminated freestanding banner advertisements

    25 Station Road Cuffley Potters Bar EN6 4HX

    Received 28 Jul 2017
  19. Decided - RefusedS6/2009/0378/FP

    RETENTION OF SMOKING SHELTER AND FENCING TO REAR AND PICKET FENCING TO FRONT AND SIDE BOUNDARIES

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 27 Feb 2009
  20. Decided - Granted6/2025/1787/HOUSE

    Erection of a single storey rear/side extension, conversion of garage into habitable room with installation of bay window, alterations to front porch and rear patio, and rear elevation forming a rear bay with alterations to side elevation fenestration with insertion of side door and windows

    32 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 22 Aug 2025
  21. Decided - WithdrawnS6/2008/1854/FP

    CHANGE OF USE OF LAND FROM AGRICULTURAL TO COMMERCIAL STORAGE INVOLVING FIVE METAL CONTAINERS AND TIMBER FUSING SHED AND ASSOCIATED EARTH MOUNDS, ACCESS ROAD AND PATHS, FOR THE STORAGE OF FIREWORKS.

    SYMONDSHYDE FARM, SYMONDSHYDE LANE, HATFIELD, HERTFORDSHIRE, AL10 9BB

    Received 25 Sept 2008
  22. Decided - Granted6/2016/2571/HOUSE

    Erection of outdoor swimming pool with plant room following removal of Douglas Fir (T3) and Lime (T4) trees covered by TPO393

    Lake View Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ

    Received 1 Dec 2016
  23. Decided - GrantedN6/2007/0634/FP

    ERECTION OF SINGLE STOREY REAR CONSERVATORY

    20 Somersham Welwyn Garden City AL7 2PZ

    Received 20 Apr 2007
  24. Decided - Refused6/2025/0599/LB

    Erection of a single storey rear extension incorporating a flat roof roof-light. Associated works to include all gable roofs to be re-laid with new felt and battens reusing existing plain clay tiles. Replacing existing timber casement windows to the rear facing elevation with new timber casement windows. Inserting a conservation roof-light to the rear existing extension

    10 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 28 Mar 2025

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