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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
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/2037/FP

    Erection of single storey side extension following demolition of existing garage

    1 Guessens Walk, Welwyn Garden City, AL8 6QS

    Received 18 Sept 2013
  2. Decided - Granted6/2021/0718/FULL

    Erection of a two storey front extension to both No. 110 and No. 112

    110 and 112 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 4 Mar 2021
  3. Decided - GrantedW6/2010/0260/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING DOUBLE GARAGE

    51 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JQ

    Received 10 Feb 2010
  4. Decided - GrantedC6/1988/0503/FP

    Single storey extension rear extension to shop premises (Class A1)

    61 Howardsgate, Welwyn Garden City, AL8 6BB

    Received 1 Jan 1988
  5. Decided - Granted6/2019/0222/LAWP

    Certificate of lawfulness for the erection of two storey rear extension to the original building with the associated roof

    30 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 1 Feb 2019
  6. Decided - Granted6/2022/0173/HOUSE

    Erection of single storey rear extension

    48 Puttocks Drive Welham Green Hatfield AL9 7LP

    Received 25 Jan 2022
  7. Decided - GrantedN6/2008/0517/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE AND REAR EXTENSIONS

    5 COWPER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3LT

    Received 6 Mar 2008
  8. Decided - GrantedN6/2009/2747/TP

    REDUCTION OF LIME (T1) BY 30% COVERED BY TPO 439

    8 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG

    Received 31 Dec 2009
  9. Decided - GrantedS6/2009/1123/DS

    DISCHARGE OF CONDITIONS 2 (LANDSCAPING), 3 (LEVELS &SECTIONS), 6 (OBSURED GLASS WINDOWS), 7 (EXTERNAL ACCESS), 10 AND 11 (VISIBILITY SPLAYS), 12 (ROADS), 13 (VEHICULAR TRAFFIC), 15 (ON SITE PARKING), 16 (SAMPLE MATERIALS), 17 (BOUNDARY MATERIALS) AND 18 (SITE INVESTIGATION) FROM PLANNING PERMISSION S6/2005/0432/FP

    DUNHAMS COURT YARD, PARK STREET, HATFIELD, HERTFORDSHIRE, AL9 5AT

    Received 2 Jun 2009
  10. DecidedN6/2009/1788/DS

    COMPLIANCE OF S106

    87-105(ODD), 108-112(EVEN), 257-263(EVEN), 215-239 (ODD), 241-253(ODD), 265, 267, 269, 271, 273, 277, 279, 281, 283, 285, 287 EDDINGTON CRESCENT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SQ

    Received 11 Aug 2009
  11. Decided - GrantedN6/2004/1700/CA

    DEMOLITION OF EXISTING ROOF STRUCTURE

    35-47 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AP

    Received 16 Nov 2004
  12. Decided - Granted6/2017/2020/COND

    Submission of details pursuant to condition 2 (materials) on planning permission 6/2016/1498/HOUSE

    46 New Park Road Newgate Street Hertford SG13 8RF

    Received 11 Sept 2017
  13. Decided - Refused6/2017/2887/COND

    Submission of details pursuant to condition 3 (Construction Method Statement required) on planning permission 6/2017/1966/HOUSE, dated 24/11/2017

    3 Adele Avenue Digswell Welwyn AL6 0AU

    Received 12 Dec 2017
  14. Decided - Refused6/2022/0607/EM

    Erection of side facing dormer to existing first floor rear bedroom

    85 Attimore Road Welwyn Garden City AL8 6LG

    Received 15 Mar 2022
  15. Decided - GrantedS6/2015/1034/MA

    Change of use from existing offices (B1) to six residential dwellings (C3), extension and conversion of existing loft space to one dwelling and erection of new block in existing car park to provide three dwellings

    31 Salisbury Square Hatfield AL9 5JD

    Received 12 May 2015
  16. Decided - GrantedW6/2009/0314/EM

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION, FORMATION OF HARDSTANDING AND REMOVAL OF CONIFER TREE

    30 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6ED

    Received 12 Feb 2009
  17. Decided - Granted6/2022/2175/EMT

    Removal 1x Leylandi hedge Removal 1x Unknown hedge

    5 The Lawns, Welwyn Garden City, AL8 7HU

    Received 20 Sept 2022
  18. DecidedN6/2015/1278/EI

    EIA Screening for a proposed Trade Park under the Town and Country Planning Act 1990 (as amended) Environmental Impact Assessment Regulations 2011

    Former Argos Distribution Centre, 1 Bessemer Road, Welwyn Garden City, AL7 1HF

    Received 12 Jun 2015
  19. Decided - GrantedW6/2012/2584/EM

    Garage conversion into habitable accommodation to include parapet to front elevation to be raised and coping to be brick-on-edge and tile creasing in lieu of concrete

    7 Barleycroft Green, WELWYN GARDEN CITY, AL8 6JY

    Received 4 Dec 2012
  20. Decided - Granted6/2016/1625/EM

    Erection of single storey rear extension

    131 Knightsfield, Welwyn Garden City, AL8 7JD

    Received 9 Aug 2016
  21. Decided6/2020/2434/TPO

    Reduce 1 x Hornbeam Tree by 30% covered by conservation area.

    7 Brockett Close Welwyn Garden City AL8 7BN

    Received 23 Sept 2020
  22. Decided - Granted6/2017/1039/FULL

    Change of use from amenity land to residential land to form hardstanding to incorporate 4 car parking spaces

    256 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 15 May 2017
  23. Decided - Granted6/2018/2508/HOUSE

    Replace conservatory roof

    12 Lavender Close Hatfield AL10 9FW

    Received 1 Oct 2018
  24. Decided - Refused6/2017/1515/HOUSE

    Erection of a single storey front extension to the existing garage with pitched roof, first floor side and rear extension and single storey rear extension

    14 Brookside Hatfield AL10 9RR

    Received 12 Jul 2017

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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