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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
40,297Searchable 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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Decided6/2024/2006/TC

    T1-Indian Bean tree - Crown reduce all round by 2-3 metres to maintain size and shape for garden

    36 Prospect Place Welwyn AL6 9EN

    Received 18 Oct 2024
  2. Decided - GrantedW6/2013/0802/TE

    Crown lift Tree of heaven by upto 25% and reduce crown of Yew tree by upto 33%

    338 Knightsfield, WELWYN GARDEN CITY, AL8 7NQ

    Received 19 Apr 2013
  3. Decided - GrantedN6/2015/0562/NM

    Non material amendment following approval of planning permission N6/2013/1709/FP - Changes to internal layout

    Howlands Baptist Church, The Commons, Welwyn Garden City, AL7 4RS

    Received 16 Mar 2015
  4. Decided - Granted6/2020/0822/EM

    Formation of hardstanding following demolition of carport, erection of rear outbuilding and alterations to fascia wall

    7 The Orchard Welwyn Garden City AL8 7PL

    Received 2 Apr 2020
  5. Decided - GrantedW6/2006/0431/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    23 Attimore Road, Welwyn Garden City, AL8 6LQ

    Received 3 Apr 2006
  6. Decided - GrantedN6/2014/1936/FP

    Erection of two storey side and rear extension

    1 The Jinnings, Welwyn Garden City, AL7 4QB

    Received 29 Aug 2014
  7. Decided - Granted6/2019/1091/HOUSE

    Erection of a single storey side and rear extension

    8 Bushey Close Welwyn Garden City AL7 3HD

    Received 7 May 2019
  8. Decided - Refused6/2021/1838/LAWP

    Garage conversion, to include repositioning of entrance door to centre of wall facing house and replacement with a sliding door.

    7 Oaklea Welwyn AL6 0PT

    Received 15 Jun 2021
  9. Decided - RefusedS6/2008/2202/FP

    ERECTION OF 1.3M BOUNDARY FENCE, 1.9M HIGH GATE PIERS AND ELECTRONIC GATES

    8 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BZ

    Received 17 Nov 2008
  10. Decided6/2018/3122/TPO

    Remove dead wood and prune back branches of 1 x Oak tree and 1 x Catalpa tree and lift crowns to 3 metres - Conservation Area

    13 Savoy Cottage Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 7 Dec 2018
  11. Decided - GrantedS6/2013/1740/FP

    Erection of front Porch

    110 Stonecross Road, Hatfield, AL10 0HS

    Received 9 Aug 2013
  12. Decided - GrantedS6/2014/1448/FP

    Erection of two dwellings following demolition of existing dwelling

    36 Pine Grove, Brookmans Park, Hatfield, AL9 7BS

    Received 30 Jun 2014
  13. Decided - RefusedW6/2004/1405/EM

    ERECTION OF TWO STOREY SIDE EXTENSION

    23 Lemsford Lane, Welwyn Garden City, AL8 6YN

    Received 20 Sept 2004
  14. Decided - Refused6/2025/0622/HOUSE

    Retention of garden canopy

    9 Dowley Wood Welwyn Garden City AL7 1FL

    Received 31 Mar 2025
  15. Decided - RefusedS6/2009/1647/S73B

    REMOVAL OF CONDITIONS 5 (WHEEL-CLEANING APPARATUS) & 6 (VEHICULAR PARKING) FROM PLANNING PERMISSION S6/2009/0027/FP

    VIXENDELL, LANE END, HATFIELD, HERTFORDSHIRE, AL10 9AG

    Received 23 Jul 2009
  16. Decided - Withdrawn6/2026/0186/EM

    Erection of first floor side extension

    6 Meadow Green Welwyn Garden City AL8 6SS

    Received 3 Feb 2026
  17. Decided - GrantedN6/2014/1614/NM

    Non material amendment following approval of planning permission N6/2007/0987/MA - Alteration of marking of 4 no existing carspaces

    1 to 14 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 17 Jul 2014
  18. Decided - Granted6/2019/0485/EM

    Replacement of front door

    349 Knightsfield Welwyn Garden City AL8 7NB

    Received 3 Mar 2019
  19. Decided - GrantedN6/2009/2067/TC

    FELLING OF FIR TREE IN BOUNDARY HEDGE

    22 TURNMORE DALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HS

    Received 28 Sept 2009
  20. Decided - GrantedN6/2004/1521/FP

    TWO STOREY BUILDING FOR USE AS CLINICAL PHARMACOLOGY UNIT, ALTERATIONS TO DECKED CAR PARK & LANDSCAPING (VARIATIONS OF PLANNING PERMISSION N6/2003/1244/FP GRANTED ON 16/01/04)

    SITE KNOWN AS CAPITOL, FORMER DTI SITE, SHIRE PARK, BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1TW

    Received 11 Oct 2004
  21. Decided - Granted6/2025/1604/HOUSE

    Removal of existing flat roof, raising roof and replacing with a new flat roof to facilitate internal alterations

    Mill Green 5 Waterside Cottages Bush Hall Lane Hatfield AL9 5NY

    Received 25 Jul 2025
  22. Decided - Granted6/2019/2134/HOUSE

    Erection of a single storey front extension, two storey side and rear extension with a rear dormer and single storey rear extension

    14 Bluebridge Avenue Brookmans Park Hatfield AL9 7RZ

    Received 28 Aug 2019
  23. Decided - Granted6/2016/0962/HOUSE

    Erection of single storey rear extension

    59 Carleton Rise Welwyn AL6 9RQ

    Received 17 May 2016
  24. Decided - Granted6/2019/3164/FULL

    Erection of sports hall with associated changing rooms, fitness area and general teaching classroom

    Monks Walk School Knightsfield Welwyn Garden City AL8 7NL

    Received 17 Dec 2019

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

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

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  • 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.

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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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