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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2007/1113/FP

    PROPOSED CROSSOVER

    Arnold Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 26 Jul 2007
  2. Decided - WithdrawnN6/2008/0228/FP

    ALTERATIONS TO FRONT ELEVATION

    UNIT 10, QUADRANT PARK, MUNDELLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1FS

    Received 6 Feb 2008
  3. Decided - Granted6/2022/1259/HOUSE

    Erection of single storey side extension to garage to create a domestic workshop.

    23 Blakes Way Welwyn AL6 9RE

    Received 27 May 2022
  4. Decided - GrantedN6/2004/1228/FP

    SINGLE STOREY REAR & SIDE EXTENSION

    12 Graveley Dell Welwyn Garden City AL7 2LF

    Received 10 Aug 2004
  5. Decided - Granted6/2017/2656/EM

    Installation of two rear roof lights to facilitate loft conversion, and bricking up of first floor side window.

    17 Sandpit Road Welwyn Garden City AL7 3TW

    Received 14 Nov 2017
  6. Decided - Granted6/2016/2685/HOUSE

    Erection of a two storey side/rear and single storey rear extension and front porch following demolition of existing integral outhouse.

    34 Glebe Cottages Essendon Hatfield AL9 6HH

    Received 19 Dec 2016
  7. Decided - GrantedW6/2006/0438/EM

    ERECTION OF REAR CONSERVATORY

    7 Wheatley Close, Welwyn Garden City, AL7 3LJ

    Received 4 Apr 2006
  8. Decided - Granted6/2024/0357/EM

    Installation of a domestic electric vehicle charging point

    16 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 26 Feb 2024
  9. Decided - Granted6/2019/1372/LB

    Erection of single storey rear extension with glass balcony; installation of roof mounted solar panels; re-cladding of roof and re-rendering; repairs to timber frame, render and windows; and internal and external alterations - to facilitate conversion of the building from two dwellings into one dwelling

    Northside/Abdale House 32/34 Warrengate Road, North Mymms AL9 7TX

    Received 7 Jun 2019
  10. Decided - Granted6/2017/2223/EM

    1 x Norway Maple to reduce by 1.5m height by 1.5m width and 1 x Laurel to reduce by 3-4m height & trim sides

    34 Heather Road Welwyn Garden City AL8 6XU

    Received 29 Sept 2017
  11. Decided - Withdrawn6/2017/0681/EM

    Erection of a single storey rear extension

    15 Duncan Close Welwyn Garden City AL7 3XP

    Received 5 Apr 2017
  12. Decided - Granted6/2018/2956/HOUSE

    Erection of a subterranean extension

    Field House, Leggatts Park, Great North Road, Little Heath, Potters Bar, EN6 1NZ

    Received 16 Nov 2018
  13. Decided - Granted6/2018/1932/HOUSE

    Erection of two storey side extension and single storey rear extension

    5 Hawbush Rise Welwyn AL6 9PZ

    Received 20 Jul 2018
  14. Decided - GrantedS6/2014/1726/FP

    Erection of single storey rear extension

    48A Moffats Lane, Brookmans Park, Hatfield, AL9 7RU

    Received 1 Aug 2014
  15. Appeal Decided - Dismissed6/2016/2601/FULL

    Erection of 2 x studio flats

    Land rear of 45 Bradshaws Hatfield AL10 9QS

    Received 7 Dec 2016
  16. Decided - GrantedS6/2007/0314/LB

    INTERNAL ALTERATIONS AND DEMOLITION OF OUTBUILDINGS ( AMENDMENT TO PLANNING PERMISSION S6/2006/1402/LB)

    Red Lion Public House 88 Great North Road Hatfield AL9 5EU

    Received 27 Feb 2007
  17. Decided - RefusedN6/2008/0680/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    27 New Road Woolmer Green Knebworth SG3 6JX

    Received 5 Apr 2008
  18. Decided - Granted6/2017/0755/HOUSE

    Erection of a first floor front and side extension, single storey rear extension following demolition of existing conservatory and rear dormer.

    37 The Grove, Brookmans Park, Hatfield, AL9 7RL

    Received 13 Apr 2017
  19. Decided - GrantedW6/2004/0476/EM

    ERECT GARDEN SHED IN REAR GARDEN

    2A Moorlands, Welwyn Garden City, AL7 4PP

    Received 26 Mar 2004
  20. Decided - GrantedN6/2006/1626/FP

    ERECTION OF 2 BLOCKS OF THREE GARAGES FOLLOWING DEMOLITION OF EXISTING GARAGE BLOCK

    6 Codicote Road Welwyn AL6 9NB

    Received 1 Dec 2006
  21. Decided - Granted6/2022/1756/HOUSE

    Erection of single storey porch, front and rear extensions, with insertion of skylight, alterations to fenestration and erection of front boundary wall with infill fence panels and associated landscaping

    Longridge Chestnut Walk Welwyn AL6 0SB

    Received 26 Jul 2022
  22. Decided - Granted6/2018/0893/ADV

    Installation of 1 x non-illuminated and 2 x externally illuminated fascia signs

    Bessemer Road Welwyn Garden City AL7 1HU

    Received 5 Apr 2018
  23. Decided - Granted6/2020/2909/COND

    Submission of details pursuant to conditions 1 (materials), 2 (landscaping) and 3 (landscaping plan) on planning permission 6/2019/3117/FULL

    15 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 6 Nov 2020
  24. Decided - GrantedW6/2015/0458/EM

    Part garage and storage building conversion including raising of roof and rear and infill extensions

    371 Knightsfield, Welwyn Garden City, AL8 7NB

    Received 9 Mar 2015

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

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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.

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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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