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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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2022/2605/LAWP

    Certificate of lawfulness for the erection of a 3m rear extension with hipped roof (2.37m high to eaves & 3.25m high to ridge level)

    6 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 15 Nov 2022
  2. Decided - GrantedN6/2015/1384/FULL

    Subdivision of existing unit into three B1 units with associated changes to elevations

    Unit 5 Swallow Court Swallowfields Welwyn Garden City AL7 1SB

    Received 26 Jun 2015
  3. Decided - Granted6/2015/2104/EM

    Reduce row of 6 Sycamore trees by up to 4m.

    25 Attimore Road, Welwyn Garden City, AL8 6LQ

    Received 12 Oct 2015
  4. Decided - RefusedW6/2013/1005/EM

    Erection of part two storey, part single storey rear and side extensions

    19 Dayemead, WELWYN GARDEN CITY, AL7 4RX

    Received 14 May 2013
  5. Decided - Refused6/2020/1993/PN11

    Prior approval for the change of use from B1 office to C3 residential to create 52 residential units.

    1 The Boulevard Welwyn Garden City AL7 1EL

    Received 7 Aug 2020
  6. Decided - Granted6/2022/1819/EMT

    T1: 1 x Pear to reduce by 3m in height and 2m width. Becoming too large and suppressing T2 T2: 1 x Apple to reduce by 1.5m height 1.2m width - Overling regrowth and struggling with fruit crop. T3: 1 x Apple to reduce by 2.5m and 2m in width. Becoming too large and suppressing T2 G1: 2 x Hazel to reduce to approximately 2.4m above ground level - This is to maintain historic pruning techniques to manage size and shape of trees.

    49 Howlands Welwyn Garden City AL7 4RA

    Received 3 Aug 2022
  7. Under Consultation6/2026/1890/FULL

    Demolition of existing garages and brick infill to front door

    17-17a Mill Lane Welwyn AL6 9EU

    Received 20 Oct 2026
  8. Decided - Granted6/2019/2055/TPO

    Fell 1 x Crab Apple Covered by TPO 563 (2016)

    11 Peregrine Way Hatfield AL10 9UP

    Received 13 Aug 2019
  9. Decided - Granted6/2018/2823/LAWP

    Certificate of lawfulness for alteration to first floor rear windows

    2A Woodland Way Welwyn AL6 0RZ

    Received 1 Nov 2018
  10. Decided - GrantedN6/2013/0720/FP

    Erection of single storey front, rear and double storey side extensions

    57 Garden Road Woolmer Green Knebworth SG3 6JZ

    Received 2 Apr 2013
  11. Decided - Granted6/2023/1221/OUTLINE

    Outline permission for the erection of 14 dwellings, with all matters reserved except for access

    Brookmans Park Golf Club Golf Club Road Brookmans Park Hertfordshire AL9 7AT

    Received 9 Jun 2023
  12. Decided - Split6/2019/2155/COND

    Submission of details pursuant to condition 1 (Materials), 2 (Crown Roof) and 3 (Biodiversity and Lighting) on planning permission 6/2019/0434/FULL

    101 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 29 Aug 2019
  13. Decided - GrantedW6/2008/2465/EM

    ALTERATIONS TO REAR ELEVATION TO INCLUDE NEW WINDOWS AND FRENCH DOORS

    57 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DH

    Received 22 Dec 2008
  14. Decided - WithdrawnS6/2007/1732/FP

    ERECTION OF TWO DETACHED DWELLINGS, EXTENSION TO CARPARK WITH ASSOCIATED VEHICULAR ACCESS

    OXLEASE METHODIST CHURCH, WOODS AVENUE, HATFIELD, HERTFORDSHIRE, AL10 8NA

    Received 16 Nov 2007
  15. Decided - Granted6/2021/2077/LAWE

    Certificate of lawfulness for the existing use of a HMO (C4)

    24 Eagle Way Hatfield AL10 8RE

    Received 9 Jul 2021
  16. Decided - GrantedN6/2006/0294/FP

    ERECTION OF SIDE AND REAR ORANGERY WITH FRONT ENTRANCE PORCH

    High Copse 92 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 9 Mar 2006
  17. Decided - GrantedW6/2007/0758/EM

    REMOVAL OF HEDGE TO EXTEND EXISTING HARDSTANDING

    26 Parkfields, Welwyn Garden City, AL8 6ED

    Received 16 May 2007
  18. Decided - GrantedN6/2014/1056/TC

    Reduce overhanging Poplar trees alongside car park area to fence line, upto 25%

    Land adj to, Welwyn Garden City Railway Station, Howardsgate, Welwyn Garden City, AL8 6BE

    Received 21 May 2014
  19. Decided - Granted6/2016/1516/TPO

    Crown reduction of eucalyptus tree to reduce back over extended limbs by 2-3m and remove dead wood - Conservation Area

    9 High Grove, Welwyn Garden City, AL8 7DW

    Received 19 Jul 2016
  20. Decided - Granted6/2019/0961/HOUSE

    Erection of a single storey rear extension

    11 Bluebell Way Hatfield AL10 9FJ

    Received 18 Apr 2019
  21. Decided6/2024/1749/TC

    Group of hawthorn to remove to ground level.

    20 Longcroft Gardens Welwyn Garden City AL8 6JR

    Received 10 Sept 2024
  22. Decided6/2020/2418/TC

    1 x Magnolia to reduce by 3m off highest point, & reduce remaining width by 2m

    31 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 21 Sept 2020
  23. Decided - RefusedS6/2008/1857/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND DETACHED GARAGE

    2 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QE

    Received 27 Sept 2008
  24. Decided - Granted6/2018/1179/FULL

    Installation of a Compressed Natural Gas (CNG) Refuelling Station

    Ocado Ltd Gypsy Moth Avenue Hatfield AL10 9BD

    Received 4 May 2018

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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