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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2016/1947/EM

    Fell Japanese Maple tree

    21 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 21 Sept 2016
  2. Decided - GrantedW6/2014/0167/EM

    Erection of single storey rear and two storey side extensions, replace all existing windows and doors, and alterations to existing roof including two new velux rooflights

    8 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 20 Jan 2014
  3. Decided - Refused6/2024/1367/COND

    Submission of details pursuant of condition 11 and 34 (refuse and recycling) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City Hertfordshire AL7 3BQ

    Received 17 Jul 2024
  4. Decided - GrantedN6/2005/1361/TP

    WORK TO TREES COVERED BY TPO 260 (AREA W2)

    22 Mornington Digswell Welwyn AL6 0AJ

    Received 27 Oct 2005
  5. Decided - Granted6/2016/2244/TPO

    Removal of Conifer tree - Conservation Area

    3 Pentley Park Welwyn Garden City AL8 7RT

    Received 13 Oct 2016
  6. Decided - Granted6/2021/1800/HOUSE

    Erection of single storey rear extension

    1 Dowley Wood Welwyn Garden City AL7 1FL

    Received 10 Jun 2021
  7. Decided - Granted6/2024/2346/LAWP

    Certificate of lawfulness for a front porch

    6 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 4 Dec 2024
  8. Decided - Granted6/2023/1169/HOUSE

    Erection of a ground floor rear extension, first floor side extension, loft conversion including the raising of the roof ridge to create a crown roof and insertion of front and rear dormers and side rooflights, front garage extension, new front porch and alterations to fenestration

    5 Mymms Drive Brookmans Park Hertfordshire AL9 7AE

    Received 2 Jun 2023
  9. Decided - Granted6/2026/1067/FULL

    Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase in association with nursery use permitted under 6/2026/0025/VAR

    The North Star 82 Great North Road Welwyn AL6 0TA

    Received 19 Jun 2026
  10. Decided - Granted6/2017/1420/VAR

    Variation of condition 7 (environmental noise assessment) on planning permission 6/2015/1774/MAJ, dated 29/09/2016.

    71 Great North Road Hatfield AL9 5EN

    Received 30 Jun 2017
  11. Decided - Granted6/2021/2689/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 7.9m

    45 Codicote Road Welwyn AL6 9TT

    Received 16 Sept 2021
  12. Appeal Decided - DismissedS6/2013/0486/FP

    Installation of two side dormers

    148 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 6 Mar 2013
  13. Decided - Granted6/2023/1676/EMT

    1 x Cherry to reduce lateral branches over garden of No.84 only by around 2.5m.

    84 Moorlands Welwyn Garden City AL7 4QG

    Received 10 Aug 2023
  14. Decided - Granted6/2021/1778/HOUSE

    Erection of a two storey side and rear extension, demolition of garage and alterations to fenestration

    6 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 8 Jun 2021
  15. Decided - GrantedS6/2004/0119/FP

    RETROSPECTIVE APPLICATION FOR THE ERECTION OF TWO STOREY REAR EXTENSION, AND EXTERNAL STAIRCASE TO FIRST FLOOR.

    21 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 23 Jan 2004
  16. Decided - Granted6/2017/1618/FULL

    Erection of office/ reception building

    Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF

    Received 25 Jul 2017
  17. Decided - Granted6/2017/1602/HOUSE

    Erection of a first floor rear extension

    9 Parsonage Road Welham Green Hatfield AL9 7NA

    Received 24 Jul 2017
  18. Decided - Granted6/2016/0680/EM

    Erection of front porch

    64 Brockswood Lane, Welwyn Garden City, AL8 7BQ

    Received 11 Apr 2016
  19. Decided - Granted6/2019/2842/COND

    Submission of details pursuant to condition 4 (tree protection plan and arboricultural method statement) on appeal decision APP/C1950/W/19/3230504 (6/2018/2552/FULL)

    Maynard House 1 The Common Hatfield AL10 0NF

    Received 11 Nov 2019
  20. Decided6/2017/1610/TPO

    Fell Silver Birch- Conservation Area

    228 Handside Lane Welwyn Garden City AL8 6TD

    Received 24 Jul 2017
  21. Appeal Decided - Allowed6/2017/0725/HOUSE

    Erection of first floor side extension

    1 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 10 Apr 2017
  22. Decided - GrantedN6/2004/0769/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION.

    260 Handside Lane Welwyn Garden City AL8 6TG

    Received 21 May 2004
  23. Decided - GrantedS6/2013/2456/FP

    Loft conversion with velux windows to rear, garage conversion, part front extension and alterations to raise existing roof

    75 Mulberry Mead, Hatfield, AL10 9EH

    Received 11 Nov 2013
  24. Decided - Granted6/2024/1731/EM

    Replacement hedgerows. The existing hedgerow was damaged on the left front side ("Hedgerow A") when hit by a falling tree. About half of Hedgerow A is a grown hedge, with a mix of what we believe to be wintergreen barberry, Japanese laurel, holly, and hornbeam. The other damaged half is a partially-grown mix of the same plants, plus weeds and other growth. Hedgerow B is a mix of wintergreen barberry, Japanese laurel, and hornbeam. Hedgerow C is hornbeam.

    7 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 9 Sept 2024

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

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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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.

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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