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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2697/TPO

    TPO Group 547 (2016) G1 side of 1 Reservoir Court T1 – Maple – crown reduce 2 metres, remove major deadwood, raise crown to 2.5 metres, clear roof & neighbouring property by 1-2 metres

    1 Reservoir Court Hatfield AL10 9UN

    Received 28 Nov 2022
  2. Decided - RefusedN6/2008/0122/FP

    INSTALLATION OF FRONT GATE

    17 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DG

    Received 18 Jan 2008
  3. Decided - Granted6/2016/2433/LAWE

    Certificate of lawfulness for a single storey rear extension

    14 Welham Manor Welham Green Hatfield AL9 7EL

    Received 17 Nov 2016
  4. Decided - Granted6/2017/0564/COND

    Submission of details pursuant to condition 1 (Materials) attached to planning permission 6/2016/2018/FULL

    63 Lumbards Welwyn Garden City AL7 1PW

    Received 15 Mar 2017
  5. Decided - Granted6/2025/1179/VAR

    Variation of condition 2 (upper floor side windows and rooflights facing No.9 Cranborne Road and six grid windows facing No.11A Cranborne Road) & condition 3 (approved plans) on planning permission 6/2020/2269/HOUSE

    11 Cranborne Road Hatfield AL10 8AW

    Received 12 Jun 2025
  6. Decided - WithdrawnW6/2007/0418/EM

    FORMATION OF A HARDSTANDING

    40 Oakdale, Welwyn Garden City, AL8 7QZ

    Received 14 Mar 2007
  7. Decided - Granted6/2015/2528/OUTLINE

    Outline planning permission for the enhancement and installation of additional treatment, including the demolition of buildings, with all matters reserved

    North Mymms Water Treatment Site, Warrengate Road, North Mymms, Hatfield, AL9 7TY

    Received 23 Dec 2015
  8. Decided - GrantedS6/2014/0809/LUP

    Certificate of lawfulness for proposed conversion of loft space and insertion of "velux type" roof lights

    38 Thornton Road, Little Heath, Potters Bar, EN6 1JH

    Received 11 Apr 2014
  9. Decided - GrantedS6/2009/1721/FP

    CHANGE OF USE OF EXISTING FIRST FLOOR OFFICES (USE CLASS B1) TO 3 TWO BEDROOM FLATS (USE CLASS C3)

    80-84 TOWN CENTRE, HATFIELD, HERTFORDSHIRE, AL10 0JW

    Received 7 Aug 2009
  10. Appeal Decided - Dismissed6/2022/0015/FULL

    Erection of a one and half storey community centre with ancillary prayer space following the demolition of the existing structure

    58 St Albans Road East Hatfield AL10 0EH

    Received 5 Jan 2022
  11. Decided6/2024/1610/TC

    Lawson cypress hedge to remove to ground level, grind out stumps to approximately 200mm below existing ground level. The hedge has been severely cut back one side and is now subsiding and declining. 1 x Cherry plum to remove in sections to ground level. Tree is declining and there is a large decaying cavity on trunk. The Cherry has reached its potential lifespan. 1 x Ash fell to ground level 1 x Poplar to remove in sections to ground level. half of the tree is dead the other half compromised by the large dying cavity

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 22 Aug 2024
  12. Decided - Refused6/2017/2866/LAWP

    Certificate of lawfulness for the erection of outbuilding to create car port, garage and gym

    Homerswood Cottage 7 Digswell Hill Welwyn AL6 9AH

    Received 8 Dec 2017
  13. Decided - Granted6/2020/0496/TPO

    Reduce 1 x oak by 20% covered by TPO24

    10 Marlborough Close Welwyn AL6 0UG

    Received 18 Feb 2020
  14. Decided - Granted6/2019/0755/HOUSE

    Erection of single storey front and side extension

    32 Station Road Welham Green Hatfield AL9 7PG

    Received 29 Mar 2019
  15. Decided - Granted6/2025/2020/FULL

    Retrospective change of use from amenity land to residential driveway and retention of hardstanding

    31 Briars Wood Hatfield AL10 8DA

    Received 19 Sept 2025
  16. Decided - Granted6/2018/1817/COND

    Submission of details pursuant to condition 1 (soft landscape) on planning permission 6/2018/0457/HOUSE

    35 Carbone Hill, Northaw, Potters Bar, EN6 4PN

    Received 10 Jul 2018
  17. DecidedN6/2013/1624/RW

    Proposed stopping up of highway

    1 Elizabeth Close, Welwyn Garden City, AL7 2JD

    Received 7 Aug 2013
  18. Decided - RefusedW6/2013/0949/EM

    Erection of first floor and part two storey rear extension and erection of free standing garden room

    5 Lady Grove, WELWYN GARDEN CITY, AL7 4DS

    Received 1 May 2013
  19. Decided - GrantedS6/2014/1593/FP

    Erection of single storey side extension

    North Lodge, Holwell Court, Hatfield, AL9 5RL

    Received 15 Jul 2014
  20. Decided6/2025/2410/TC

    G1 - Conifer hedge - topped by maximum 3-4 metres, in line with the remainder of the hedge, to create equal height.

    The Two Brewers 1 Northaw Road West Northaw Potters Bar EN6 4NW

    Received 18 Nov 2025
  21. Decided - Granted6/2021/0443/EM

    Conversion of existing garage with front and rear extension of garage

    2 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 11 Feb 2021
  22. Decided - Refused6/2020/1039/HOUSE

    Part single, part two storey rear extension, single storey front extension, garage conversion and addition of portico to front elevation.

    18 Pleasant Rise Hatfield AL9 5DS

    Received 11 May 2020
  23. Decided - Granted6/2024/0319/COND

    Submission of details pursuant to condition number 1 (Crown Roof) and condition number 2 (Materials) on planning permission 6/2022/1795/HOUSE

    133 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 19 Feb 2024
  24. Decided - Granted6/2016/2134/TPO

    Fell Cherry tree to ground level - Conservation Area

    20 Stanborough Road Welwyn Garden City AL8 6XD

    Received 12 Oct 2016

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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