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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
40,206Searchable applications
309Recorded as pending
86%Approval rate · 33,718 approved or refused records
4,806Refused applications

28,912 approved · 4,806 refused · 2,210 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1787/TPO

    Crown reduce Birch, Liquid Amber, and Hazel trees by 30% plus reduce Goat Willow tree to ground level - Conservation Area

    16 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 19 Aug 2016
  2. Decided - GrantedS6/2010/0110/MA

    ALTERATIONS INCLUDE:-CONVERSION AND EXTENSION OF EXISTING EAST WING (GARAGE & KITCHEN) TO FORM NEW KITCHEN AND SWIMMING POOL, SHOWER AREA AND MEZZANINE AND 1ST FLOOR BATHROOM OVER KITCHEN, LINKED BY NEW STAIRCASE TO SWIMMING POOL. CONSTRUCTION OF NEW CONSERVATORY. ASSOCIATED SERVICE INSTALLATIONS. WORKS TO MAIN HOUSE EAST ELEVATION 1ST FLOOR; INSTALLATION OF NEW DOOR TO REPLACE MODERN DOOR AND BUILD UP WINDOW FORMED IN 1988; REINSTATEMENT OF PORCH AND REPLACEMENT OF MODERN DOOR ON SOUTH ELEVATION

    1 NORTHAW PLACE, COOPERS LANE, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NQ

    Received 20 Jan 2010
  3. Decided - Withdrawn6/2023/0339/HOUSE

    Loft conversion complete with side dormers, floor plan redesign and all associated works

    11 Sterling Court Mundells Welwyn Garden City AL7 1FZ

    Received 13 Feb 2023
  4. Decided - WithdrawnS6/2008/1787/FP

    ERECTION OF NEW FRONT BOUNDARY GATES AND CROSSOVER AND NEW GATES TO EXISTING VEHICULAR ACCESS.

    43 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BB

    Received 19 Sept 2008
  5. Decided - Granted6/2017/2096/HOUSE

    Erection of single storey rear extension, first floor side and rear extension and garage conversion

    17 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 18 Sept 2017
  6. Decided - Granted6/2021/2769/HOUSE

    Erection of single storey front and rear extensions

    401 Knightsfield Welwyn Garden City AL8 7LY

    Received 27 Sept 2021
  7. Decided - GrantedN6/2007/1421/FP

    ERECTION OF TWO DETACHED DWELLINGS FOLLOWING DEMOLITION OF EXISTING PROPERTY

    8 Firway Welwyn AL6 0RD

    Received 25 Sept 2007
  8. Decided - Granted6/2025/0984/EM

    Install 10 solar panels to rear facing roof with battery and convertor to the rear of the property

    10 Hyde Valley Welwyn Garden City AL7 4NA

    Received 28 May 2025
  9. Decided - Granted6/2018/2388/HOUSE

    Retention of side garden wall and canopy

    39 Endymion Road Hatfield AL10 8AT

    Received 18 Sept 2018
  10. Decided - Granted6/2017/2148/EM

    Reduce crown and shape two Hornbeam trees by up to 25% and third Hornbeam by up to 15% plus removal of Epicormic growths and deadwood - Conservation Area

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 22 Sept 2017
  11. DecidedN6/2008/1564/TE

    REMOVAL OF PINE TREE FROM REAR GARDEN

    17 Valley Road, Welwyn Garden City, AL8 7DG

    Received 22 Aug 2008
  12. Decided - Granted6/2025/0019/LAWP

    Certificate of lawfulness for loft conversion with rear dormer and skylights above flat roof

    4 Gobions Way Little Heath Potters Bar EN6 1NW

    Received 7 Jan 2025
  13. Decided - GrantedN6/2008/0749/DS

    DISCHARGE OF CONDITION 3 OF PLANNING OF PLANNING PERMISSION N6/2008/264/FP (LIGHTING)

    WELWYN RUGBY FOOTBALL CLUB, Hobbs Way, Welwyn Garden City, AL8 6HX

    Received 13 May 2008
  14. Decided - GrantedW6/2009/1064/EM

    ERECTION OF DETACHED OUTBUILDING IN REAR GARDEN

    11 The Orchard, Welwyn Garden City, AL8 7PL

    Received 21 May 2009
  15. Decided - RefusedN6/2007/0569/FP

    ERECTION OF TWO AND SINGLE STOREY REAR EXTENSION.

    71 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 4 Apr 2007
  16. Decided - GrantedS6/2004/1052/FP

    ERECTION OF FIRST FLOOR FRONT AND SIDE EXTENSION, SINGLE STOREY FRONT EXTENSION

    41 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 12 Jul 2004
  17. Decided - Granted6/2022/0115/PN8

    Prior approval for single storey rear extensions 8m in depth, and 3m in height.

    The Old Cottage Green Lanes Hatfield AL10 9BH

    Received 18 Jan 2022
  18. Decided - Granted6/2018/1662/FULL

    Change of use of 9 car parking spaces to hand car wash, including installation of cabin, canopy and fencing enclosure

    Asda Superstore, 98 Town Centre, Hatfield, AL10 0JW

    Received 22 Jun 2018
  19. Decided - Granted6/2016/0011/VAR

    Variation of condition 1 (drawings) on planning permission N6/2013/2727/DE

    The Frythe Frythe Avenue Welwyn AL6 9GF

    Received 7 Jan 2016
  20. Decided - GrantedS6/2007/0549/LB

    ERECTION OFTWO STOREY REAR EXTENSION, CREATION OF LIGHTWELL ON FIRST FLOOR, CREATION OF DOUBLE DOORS TO EXISTING CONSERVATORY AND INTERNAL ALTERATIONS.

    The Lodge 2 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 3 Apr 2007
  21. DecidedN6/2008/2351/TC

    REMOVAL OF HAWTHORN TREE FROM FRONT GARDEN

    24 RUSSELLCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QU

    Received 3 Dec 2008
  22. Decided6/2025/2412/TC

    (T1) Prunus: Reduce in height by 3m and reducing the apex branches to a point that is in shape with the rest of the tree. Bringing total height to 4m

    3 Gainswood Welwyn Garden City AL7 3XG

    Received 18 Nov 2025
  23. Decided - RefusedW6/2008/0764/EM

    ERECTION OF TWO STOREY REAR EXTENSION FOLLOWING DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION

    25 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTS, AL8 7PQ

    Received 12 May 2008
  24. Decided - Withdrawn6/2020/2084/EMT

    Removal of lime tree

    33 Holwell Road Welwyn Garden City AL7 3RE

    Received 18 Aug 2020

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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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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