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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
40,218Searchable applications
309Recorded as pending
86%Approval rate · 33,728 approved or refused records
4,807Refused applications

28,921 approved · 4,807 refused · 2,211 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedW6/2014/0353/TE

    Reduce Silver Birch crown by 20%

    Pump Cottage, 6 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 7 Feb 2014
  2. Decided - Granted6/2025/2602/EMT

    1 x Deodar cedar to reduce by approximately 1.8m height and width.

    9 Old Forge Close Welwyn AL6 0SR

    Received 19 Dec 2025
  3. Decided - Granted6/2020/2265/HOUSE

    Erection of a single storey front extension following the demolition of an existing single storey building at the front of the dwellinghouse

    113 Aldykes Hatfield AL10 8EB

    Received 3 Sept 2020
  4. Decided - WithdrawnN6/2007/0614/FP

    RELOCATION OF FIRE EXIT DOOR AND REPLACEMENT OF EXISTING SEVEN AIRCONDITIONING CONDENSORS AND AIR CONDITIONING UNITS WITH TWO NEW UNITS TO BE MOUNTED ON A ROOF PRO SYSTEM.

    NATIONWIDE BUILDING SOCIETY, 21 STONEHILLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6NA

    Received 18 Apr 2007
  5. Decided - Granted6/2018/0114/HOUSE

    Erection of a two storey Side Extension

    37 Sloansway Welwyn Garden City AL7 1NA

    Received 12 Jan 2018
  6. Decided - GrantedS6/2014/0261/NM

    Non material amendment following the approval of planning permission S6/2011/1484/FP - Span 3300mm Ridge height 2972mm. Dwarf wall height 600mm. Wall adjoining neighbours now full height with non opening windows. Roof now glass

    79 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UW

    Received 14 Feb 2014
  7. Decided - Granted6/2024/2410/HOUSE

    Proposed loft conversion, with alterations to the roof including raising the roof height and formation of dormers to the front and rear elevations

    5 Rosecroft Lane Welwyn AL6 0UB

    Received 19 Dec 2024
  8. Decided - Granted6/2019/2233/PN8

    Prior approval for the erection of a single storey rear extension measuring at 6m in depth, 3.3m in height and 2.6m to the eaves

    30 Broad Acres Hatfield AL10 9LD

    Received 27 Aug 2019
  9. Decided - Granted6/2019/2983/TPO

    Reduce 1 x Oak tree crown by 40% under TPO 744 (2018)

    1 Rollswood Road Welwyn AL6 9TX

    Received 26 Nov 2019
  10. Decided - Granted6/2016/0194/LAWP

    Certificate of lawfulness for the conversion of the existing loft space to create two new bedrooms

    4 New Place Welwyn AL6 9QA

    Received 4 Feb 2016
  11. Decided - GrantedW6/2014/2628/EM

    Retention of two storey rear extension, single storey side extension and replacement of windows with white aluminium windows

    11 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 3 Dec 2014
  12. Decided - Granted6/2022/1150/EMT

    Fell 1 x dead walnut tree in rear garden

    34 High Oaks Road Welwyn Garden City AL8 7BH

    Received 19 May 2022
  13. Decided - Granted6/2024/1567/EM

    Installation of new front door

    14 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 16 Aug 2024
  14. Decided - Refused6/2022/0502/OUTLINE

    Outline permission for construction of up to 6 new dwellings, formation of access, car parking and turning space, and landscaping with all matters reserved

    Land to the west of 103-109 Newgate Street Village

    Received 2 Mar 2022
  15. Decided - Granted6/2021/0121/EM

    Extension of existing driveway and new Cherry Tree and planting bed

    20 Beehive Green Welwyn Garden City AL7 4BG

    Received 15 Jan 2021
  16. Decided - Withdrawn6/2022/2350/EM

    Erection of part single & part 2-storey rear extension, roof extension & alterations to openings

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 6 Oct 2022
  17. Decided - GrantedS6/2008/0637/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    103 MOFFATS LANE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7RP

    Received 28 Mar 2008
  18. Appeal Decided - Dismissed6/2016/1982/EM

    Replacement of front door

    42 Springfields, Welwyn Garden City, AL8 6XN

    Received 26 Sept 2016
  19. Decided - RefusedN6/2013/2170/LUP

    Certificate of lawfulness for proposed side dormer window

    23 Robbery Bottom Lane Welwyn AL6 0UL

    Received 14 Oct 2013
  20. Decided - GrantedN6/2009/2376/FP

    EXTENSION TO GARAGE

    GEORGIAN COTTAGE, 20 AYOT GREEN, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AB

    Received 27 Oct 2009
  21. Decided - Granted6/2025/0115/HOUSE

    Erection of single storey side extension and internal alterations

    40 Twin Foxes Woolmer Green SG3 6QT

    Received 23 Jan 2025
  22. Decided - GrantedW6/2008/0139/EM

    ERECTION OF GREEN HOUSE IN REAR GARDEN

    7 ATTIMORE CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LN

    Received 24 Jan 2008
  23. Decided - Granted6/2016/2411/HOUSE

    Erection of two storey rear extension & loft conversion

    64 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 15 Nov 2016
  24. Decided - Granted6/2016/0376/PN8

    Prior approval for erection of single storey rear extension with render finish, flat roof and parapet measuring 4m. deep, 2.95m. high and 2.75 m. to the eaves

    48 Birchwood Close Hatfield AL10 0PP

    Received 4 Mar 2016

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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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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