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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
40,115Searchable applications
300Recorded as pending
86%Approval rate · 33,648 approved or refused records
4,801Refused applications

28,847 approved · 4,801 refused · 2,205 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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. DecidedS6/2014/1800/NM

    Non material amendment following approval of planning permission S6/2014/0765/FP - Change in design of roof from mono pitch to hipped

    Dental Surgery 7 Birchwood Avenue Hatfield AL10 0PL

    Received 11 Aug 2014
  2. Decided - Granted6/2024/0404/LB

    Installation of solar panels on rear facing roof

    6 Tolmers Mews Newgate Street Hertford SG13 8RG

    Received 1 Mar 2024
  3. Decided - Granted6/2015/1883/PN8

    Prior approval for a single storey rear extension measuring 4 metres deep, 2.45 metres wide and 2.65 metres high

    22 Oaklands Wood, Hatfield, AL10 8LU

    Received 7 Sept 2015
  4. Decided - GrantedS6/2008/1650/FP

    RETENTION OF INNER STEEL FENCE AND OUTER TIMBER FENCE

    OCADO LTD, GYPSY MOTH AVENUE, HATFIELD, HERTFORDSHIRE, AL10 9BD

    Received 10 Sept 2008
  5. DecidedN6/2008/1991/TC

    REDUCTION OF TWO CONIFER TREES IN FRONT GARDEN

    4 THE LIMES, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BD

    Received 15 Oct 2008
  6. Decided - Granted6/2024/0073/EMT

    T1 - Maple - fell to ground level T2 - Maple - fell to ground level

    27 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 10 Jan 2024
  7. Decided - Refused6/2019/0603/HOUSE

    Erection of a single storey rear extension

    5 Boltons Cottages, Swanley Bar Lane, Little Heath, Potters Bar, EN6 1NS

    Received 13 Mar 2019
  8. Decided - Granted6/2022/0244/EMH

    Proposed change to existing UPVC windows like for like and change the patio doors to bi-fold doors.

    31 Turmore Dale Welwyn Garden City AL8 6HT

    Received 3 Feb 2022
  9. Decided - Granted6/2017/2748/HOUSE

    Roof alterations to existing side garage

    16 Wilga Road Welwyn AL6 9PS

    Received 24 Nov 2017
  10. Decided - Refused6/2016/2407/HOUSE

    Erection of a single storey front porch

    37 Bullens Green Lane Hatfield St Albans AL4 0QR

    Received 15 Nov 2016
  11. Decided - Granted6/2019/1450/HOUSE

    Erection of single storey rear extension following demolition of conservatory and garage

    58 Pooleys Lane Welham Green Hatfield AL9 7LF

    Received 28 May 2019
  12. Decided - Granted6/2016/0050/COND

    Approval of details reserved by condition 2 (materials), condition 3 (landscaping), condition 4 (planting), condition 5 (tree work) and condition 6 (ecological survey) on planning permission 6/2015/1588/FULL

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 13 Jan 2016
  13. Decided - RefusedS6/2013/0827/FP

    Erection of two 2 bedroom houses, following demolition of side extension and change of use of grass amenity verge to car parking area

    202 Bishops Rise Hatfield AL10 9QX

    Received 17 Apr 2013
  14. Decided - Granted6/2024/2131/FULL

    The development of an external spa garden including the installation of a sauna, plunge pool and associated store facility and enclosures, along with the conversion of three tennis courts to create two padel courts, a padel social area, the spa garden, Battlebox, MUGA and hard court.

    The Listed Hangar Mosquito Way Hatfield AL10 9AX

    Received 5 Nov 2024
  15. Decided - GrantedN6/2015/0067/AD

    Installation of new hanging sign for forecourt signage

    Eastbridge Service Station, Bridge Road East, Welwyn Garden City, AL7 1LE

    Received 15 Jan 2015
  16. Decided - GrantedW6/2008/0750/EM

    ERECTION OF REAR CONSERVATORY

    2 MILL GREEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3XF

    Received 1 May 2008
  17. Decided - Granted6/2025/2231/EMT

    Remove Ash tree due to large cavity at the base - concerns of structural stability and neighbours outside office is very close

    32 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 21 Oct 2025
  18. Decided - Refused6/2023/2518/HOUSE

    Erection of single storey side and rear extensions and additional storey

    24 Plough Hill Cuffley Potters Bar EN6 4DR

    Received 19 Dec 2023
  19. Decided - GrantedN6/2013/1974/TP

    Pruning and weight reduction by 25% of Beech T1 covered by TPO 276 G1

    Copperkins Lodge 43A Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 12 Sept 2013
  20. Decided - Granted6/2026/0488/EM

    Removal of chimney stack and making good void to match existing tiles and appearance; installation of CCTV camera at front of house and installation of solar panels, home battery storage, air source heat pump & EV charger

    55 Rosedale Welwyn Garden City AL7 1DP

    Received 16 Mar 2026
  21. Decided - RefusedN6/2015/1033/FP

    Erection of front porch and loft conversion to include two side dormers

    30 Great North Road Welwyn Garden City AL8 7TJ

    Received 14 May 2015
  22. Decided - Granted6/2021/1583/HOUSE

    Erection of part single storey and part two storey rear extension, with insertion of roof light, following demolition of existing extension. Change of window to existing side elevation.

    208 Thistle Grove Welwyn Garden City AL7 4AJ

    Received 18 May 2021
  23. Decided - GrantedW6/2014/0732/EM

    Erection of single storey rear extension and garden shed following demolition of existing outbuildings

    16 Marsden Road Welwyn Garden City AL8 6XZ

    Received 2 Apr 2014
  24. Decided - Granted6/2021/2805/FULL

    Erection of new garage on existing parking space.

    7 Linces Way Welwyn Garden City AL7 3JN

    Received 29 Sept 2021

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

All planning guides

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    Planning application documents: what to read first

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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.

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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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