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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
38,849Searchable applications
344Recorded as pending
86%Approval rate · 32,458 approved or refused records
4,644Refused applications

27,814 approved · 4,644 refused · 2,128 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedC6/1988/0696/FP

    Erection of a rear conservatory

    12 Wellcroft Close, Welwyn Garden City, AL7 3JZ

    Received 1 Jan 1988
  2. Decided - Granted6/2015/1868/HOUSE

    Replacement and extension to existing conservatory

    47 London Road Woolmer Green Knebworth SG3 6JE

    Received 4 Sept 2015
  3. Decided - Granted6/2021/1358/TPO

    Triple stemmed oak. Reduce by 50% due to defects at the base of trunk and the presence of Ganoderma fungus. Recommended by Ashley Gray, NCHarb.

    127 The Commons Welwyn Garden City AL7 4RZ

    Received 28 Apr 2021
  4. Appeal Decided - AllowedN6/2004/1595/FP

    SINGLE STOREY SIDE EXTENSION TO INCLUDE INTEGRAL GARAGE

    20 Harwood Hill Welwyn Garden City AL8 7AP

    Received 25 Oct 2004
  5. Decided - Granted6/2026/0192/HOUSE

    Extension of porch and insertion of rooflights into existing rear flat roof extension

    1 Crookhams Welwyn Garden City AL7 1PG

    Received 4 Feb 2026
  6. Decided - Granted6/2017/1284/COND

    Submission of details pursuant to condition 1 (materials samples), 2 (hard and soft landscaping), 3 (highways and drainage) and 4 (construction method statement) on planning permission 6/2017/0667/VAR, dated 02/06/2017

    Land to the rear of 31-39 Cowper Road Welwyn Garden City AL7 3LS

    Received 12 Jun 2017
  7. Decided - GrantedN6/2009/2482/TC

    REMOVAL OF OAK TREE LOCATED IN REAR GARDEN

    29 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LD

    Received 23 Nov 2009
  8. Decided - Granted6/2022/2202/EMT

    Reduce 1 x Hornbeam Tree by 6 to 8 feet

    29 Coltsfoot, Welwyn Garden City, AL7 3HZ

    Received 23 Sept 2022
  9. Decided - GrantedS6/2012/2606/FP

    Change of use from B1 (office) to C3 (residential dwelling) with replacement roof over existing rear extension and internal alterations

    The Old Reading Room, 32 High Road, Essendon, HATFIELD, AL9 6HW

    Received 10 Dec 2012
  10. Appeal Decided - Allowed6/2020/1033/LAWP

    Certificate of lawfulness for the erection of outbuilding

    102 Harmer Green Lane Digswell Welwyn AL6 0ES

    Received 11 May 2020
  11. Decided - Granted6/2021/0761/COND

    Submission of details pursuant to condition number 1 (tree survey) & 2 (tree protection plan) on planning permission S6/2014/2586/MA

    Milkwood Farm Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 9 Mar 2021
  12. Decided - Refused6/2020/2103/COND

    Submission of details pursuant to condition 3 (groundworks) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Al8 6UN

    Received 20 Aug 2020
  13. Decided - GrantedN6/2008/0416/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR AND SIDE EXTENSION

    11 HAYNES CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EP

    Received 27 Feb 2008
  14. Decided - GrantedN6/2013/2645/TP

    Remove Ash in rear garden covered by TPO113

    2 Pine Crest Welwyn AL6 0EQ

    Received 13 Dec 2013
  15. Decided - Split6/2019/2698/COND

    Submission of details pursuant to condition 2 (construction method statement) 3 (bin details) 6 (glazing and ventilation schemes) and 7B (surface water drainage scheme maintenance and management) on planning permission 6/2017/1568/MAJ

    Rank Xerox Technical Centre Bessemer Road Welwyn Garden City AL7 1HE

    Received 25 Oct 2019
  16. Decided - Granted6/2022/0321/HOUSE

    Demolition of existing conservatory to facilitate the erection of a single storey rear extension and insertion of door to existing ground floor side elevation.

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 10 Feb 2022
  17. Decided - RefusedN6/2006/0106/FP

    ERECTION OF REPLACEMENT BUILDING FOR A1 USE (FLORISTS) AND USE OF FIRST AND SECOND FLOORS AS ANCILLARY OFFICE ACCOMMODATION

    36-38 High Street Welwyn AL6 9EQ

    Received 25 Jan 2006
  18. Decided - GrantedS6/2008/0564/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION

    24 WARWICK AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4RS

    Received 12 Mar 2008
  19. Decided - Granted6/2017/2066/TPO

    Reduce, thin and deadwood Oak tree by up to 25% covered by TPO 450 (2011)

    39 Butterwick Way Welwyn AL6 9GH

    Received 14 Sept 2017
  20. Decided - GrantedS6/2014/1313/LB

    Erection of replacement bay window, new rooflight and internal alterations including lowering floor level to bay and relocating access lift

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 10 Jun 2014
  21. Decided - Refused6/2023/1659/HOUSE

    Conversion of loft to form habitable space with installation of rooflights and construction of rear dormer window. Insertion of front gable window

    7 Newitt Court Welwyn AL6 9FY

    Received 9 Aug 2023
  22. Appeal Decided - DismissedN6/2007/1980/FP

    ERECTION OF NEW DETACHED DWELLING AND ALTERATIONS TO ACCESS

    81 WOODHALL LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TH

    Received 27 Dec 2007
  23. Decided - Granted6/2016/1059/TPO

    Crown reduce Beech tree (T1) by 30%, Oak tree (T2) by 30% and fell Sycamore tree (T3) covered by TPO 194 (1995)

    8 Broadleaf Grove, Welwyn Garden City, AL8 7AZ

    Received 31 May 2016
  24. Decided - Refused6/2025/2137/EMT

    1 x Deodar Cedar to remove in sections to ground level. Causing major damage to driveway

    9 Old Forge Close Welwyn AL6 0SR

    Received 7 Oct 2025

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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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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