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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28,847 approved · 4,801 refused · 2,205 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2025/2238/COND

    Submission of details pursuant to condition 1 (Samples of materials),on planning permission 6/2025/0835/HOUSE

    36 Sylvandale Welwyn Garden City AL7 2HT

    Received 22 Oct 2025
  2. Decided - GrantedN6/2008/1266/TE

    REMOVAL OF CONIFER FROM REAR GARDEN

    52 CROSSWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7EE

    Received 29 Jul 2008
  3. Decided - GrantedN6/2008/0611/FP

    ERECTION OF REAR CONSERVATORY

    1 APPLECROFT ROAD, WELWYN GARDEN CITY, HERTS, AL8 6JZ

    Received 25 Mar 2008
  4. Decided - RefusedN6/2013/0896/NM

    Non material amendment following approval of planning permission N6/2012/2401/FP - Bay window to rear elevation

    34 Blakemere Road, WELWYN GARDEN CITY, AL8 7PJ

    Received 1 May 2013
  5. Decided - Granted6/2020/1181/COND

    Submission of details pursuant to condition 1 (surface water drainage scheme) on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 27 May 2020
  6. Decided - Refused6/2018/2565/HOUSE

    Retrospective loft conversion to habitable space including installation of rear pitched roof dormers, 2 x front velux windows and front entrance canopies

    7 Ground Lane Hatfield AL10 0HJ

    Received 5 Oct 2018
  7. Decided - GrantedW6/2015/1347/TE

    Fell spruce tree

    118 The Commons Welwyn Garden City AL7 4SB

    Received 25 Jun 2015
  8. Decided - GrantedN6/2004/0645/FP

    ERECTION OF A TWO STOREY REAR EXTENSION

    34 Great North Road Welwyn AL6 0PS

    Received 30 Apr 2004
  9. Decided - Granted6/2023/0328/EMT

    T1-Hornbeam-Crown reduce by 2-3 metres to maintain size and shape. T2-Sycamore-Crown reduce by 2-3 metres to maintain size and shape. T3-Silver Birch-Crown reduce by 2-3 metres to maintain size and shape. T4-Lime x 2-Crown reduce by 2-3 metres to maintain size and shape.

    336 Knightsfield Welwyn Garden City AL8 7NQ

    Received 10 Feb 2023
  10. Decided - Granted6/2018/0695/LAWP

    Certificate of lawfulness for installation of 14 standard 'in-roof' (embedded) Solar PV panels on the south facing roof of the property

    26 Carbone Hill Northaw Potters Bar EN6 4PN

    Received 14 Mar 2018
  11. Decided - RefusedN6/2007/0900/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION.

    12 Rosecroft Lane Welwyn AL6 0UB

    Received 13 Jun 2007
  12. Decided6/2020/2224/TC

    Reduce crown of Prunus Subhirtella Autumnalis by 2m height and 4m diameter

    6 Woodland Rise Welwyn Garden City AL8 7LF

    Received 1 Sept 2020
  13. Decided - Granted6/2021/1436/FULL

    Erection of a natural pool and enhancements to the existing garden terrace

    Great Oak House Essendon Place High Road Essendon Hatfield AL9 6GZ

    Received 7 May 2021
  14. Decided - GrantedW6/2004/1745/EM

    ERECTION OF REAR CONSERVATORY

    39 Wren Wood, Welwyn Garden City, AL7 1QF

    Received 25 Nov 2004
  15. Decided - Granted6/2017/0916/TPO

    Crown lift Beech tree to 4m and cut branches back to crown profile covered by TPO 258 (2002)

    39 Willow Way Hatfield AL10 9QD

    Received 3 May 2017
  16. Under Consultation6/2026/1024/FULL

    Retention of storage container for frozen food ancillary to shop use

    8 Harpsfield Broadway Hatfield Hertfordshire AL10 9TF

    Received 10 Jun 2026
  17. Decided - Granted6/2016/0224/EM

    Reduce 4 Prunus by up to 50% two located in 30 Attimore Road and two in 32 Attimore Road plus reduce Ash tree by upto 20% located in 36 Attimore Road

    30, 32 & 36 Attimore Road, Welwyn Garden City, AL8 6LE

    Received 10 Feb 2016
  18. Decided - Granted6/2017/2681/COND

    Submission of details pursuant to condition 1 (precise details of roof, doors, windows and rooflights) of planning permission 6/2017/0301/HOUSE.

    St Michaels Woodside Wildhill Road Brookmans Park Hatfield AL9 6DL

    Received 9 Oct 2017
  19. Decided - Refused6/2022/0668/PN24

    Prior approval for the installation of 610 solar panels to the roof of a non-domestic building

    The Davall Stock Gear Co Travellers Lane Welham Green Hatfield AL9 7JB

    Received 21 Mar 2022
  20. Decided - GrantedN6/2015/0830/LB

    Erection of single storey extension following demolition of existing conservatory

    East House Digswell Place Rectory Road Welwyn Garden City AL8 7SU

    Received 16 Apr 2015
  21. Decided - Granted6/2018/0143/HOUSE

    Erection of 2 single storey front infill extensions, conversion of existing garage to habitable space, erection of single storey side/rear infill and rear infill extensions including installation of 4 roof lights, alterations to existing roof including installation of 2 roof lights and removal of chimney and alterations to openings and fenestration.

    14 Dolesbury Drive Welwyn AL6 0QF

    Received 16 Jan 2018
  22. Decided - RefusedN6/2006/0573/FP

    CONVERSION OF LOFT, INCORPORATING 8 ROOF LIGHTS AND WINDOW TO REAR GABLE END

    16 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 2 May 2006
  23. Decided - Granted6/2021/1954/HOUSE

    Erection of single storey rear extension

    73 Broad Acres Hatfield AL10 9LD

    Received 28 Jun 2021
  24. Decided - GrantedS6/2008/0524/FP

    LOFT CONVERSION WITH REAR DORMER

    25 Broad Acres Hatfield AL10 9LE

    Received 12 Mar 2008

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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