PlanningTrack
Get started

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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/0489/COND

    Submission of details pursuant to condition 1 (samples of materials) on planning permission 6/2022/1705/HOUSE & 6/2022/1706/LB

    The Old Vicarage Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 3 Mar 2023
  2. Decided6/2023/2028/TC

    1 x Lawson cypress to reduce by approximately 3.5m in height

    2 Valley Road Welwyn Garden City AL8 7DF

    Received 2 Oct 2023
  3. Decided - Granted6/2022/0679/EM

    Installation of EV Car charger.

    91 Great Ganett Welwyn Garden City AL7 3DD

    Received 22 Mar 2022
  4. Decided - GrantedN6/2013/2461/FP

    Replacement pitched roof to front elevation

    2 Grange Hill Welwyn AL6 9RW

    Received 22 Nov 2013
  5. Decided - Refused6/2022/1483/PN8

    Prior Approval for the erection of a single storey rear extension of 5m in depth with eaves height 2.85m and no part of the proposed extension shall be more than 4m from ground

    118 Campion Road Hatfield Hertfordshire AL10 9FT

    Received 27 Jun 2022
  6. Decided - RefusedN6/2004/0503/OP

    OUTLINE APPLICATION FOR THE ERECTION OF 1 DETACHED DWELLING HOUSE, INCLUDING MEANS OF ACCESS AND SITING

    LAND ADJACENT TO, 42 LEMSFORD VILLAGE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TR

    Received 2 Apr 2004
  7. Decided - Granted6/2026/0440/LAWP

    Certificate of lawfulness for erection of an outbuilding

    26 Peregrine Way Hatfield AL10 9UP

    Received 10 Mar 2026
  8. Decided - GrantedS6/2009/1331/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    71 PEPLINS WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 7UT

    Received 24 Jun 2009
  9. Decided - GrantedS6/2009/2757/DS

    DISCHARGE OF CONDITION 3 (LANDSCAPING) & 8 (BOUNDARIES) FROM PLANNING PERMISSION S6/2009/1121/FP

    1 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QE

    Received 24 Dec 2009
  10. Decided - Granted6/2021/0535/HOUSE

    Retention of a domestic outbuilding

    13 The Drive Welwyn AL6 0TW

    Received 18 Feb 2021
  11. Decided - GrantedS6/2004/1734/FP

    TWO STOREY SIDE EXTENSION

    59 Pooleys Lane Welham Green Hatfield AL9 7LG

    Received 24 Nov 2004
  12. Decided - Granted6/2022/2633/EMT

    Robinia tree - 30% crown reduction 2x Maple trees and Plum tree - cut back all over hanging branches from neighbour’s garden

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Received 21 Nov 2022
  13. Decided - Granted6/2015/2149/TPO

    Removal of branch from Mulberry tree and reduction of second branch to safe height. Removal of Wild Plum tree and reduce Beech tree to 2m - Conservation Area.

    6 Little Youngs, Welwyn Garden City, AL8 6SL

    Received 21 Oct 2015
  14. Decided - Granted6/2022/2243/HOUSE

    Erection of double-storey and single-storey rear extension, porch extension, change to materials and landscape works to front driveway and rear garden

    7 High Ridge Cuffley Potters Bar Hertfordshire EN6 4JH

    Received 28 Sept 2022
  15. Decided - Granted6/2025/2303/COND

    Submission of details pursuant to Condition 16 (hard and soft landscape plans) on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN

    Received 30 Oct 2025
  16. Decided - Granted6/2023/0004/HOUSE

    Erection of two storey and single storey rear extension following demolition of existing conservatory, new and alterations to fenestration

    9 Robin Mead Welwyn Garden City AL7 1PP

    Received 3 Jan 2023
  17. Decided - Granted6/2026/0359/EM

    Part garage conversion with raising of roof and insertion of roof light

    7 Breakmead Welwyn Garden City AL7 3HG

    Received 26 Feb 2026
  18. Decided - Granted6/2016/1222/TPO

    Crown reduce 2 Hornbeam trees by 30% plus removal of deadwood from and Epicormic growth from Oak tree - Conservation Area

    40 Digswell Road, Welwyn Garden City, AL8 7PA

    Received 20 Jun 2016
  19. Decided - Granted6/2016/0752/EM

    Crown reduce field Maple by 30%

    11 Aldock, Welwyn Garden City, AL7 4QF

    Received 22 Apr 2016
  20. Decided - Refused6/2019/2560/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    Woodlands Coopers Lane Road Northaw Potters Bar EN6 4DJ

    Received 11 Oct 2019
  21. Decided - GrantedW6/2009/2199/EM

    ERECTION OF REAR CONSERVATORY

    48 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UD

    Received 14 Oct 2009
  22. Decided - GrantedN6/2009/2221/DS

    DISCHARGE OF CONDITIONS: 3 (LANDSCAPING), 6 (ARBORICULTURAL), 9 (CONSTRUCTION), 11 (TREES), 12 (MATERIALS), 13 (BIN/RECYCLING STORE) AND 17 (DRAINAGE) FROM PLANNING PERMISSION N6/2009/941/FP

    2 Sharmans Close Digswell Welwyn AL6 0AR

    Received 8 Oct 2009
  23. Decided - WithdrawnS6/2015/0124/LUP

    Erection of single storey front and side extension

    21 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 20 Jan 2015
  24. Decided6/2025/2172/TC

    1 x Portugal laurel by 12 inches (30cm), reduce width over garden back to near the sleeper edge, reduce left hand side back beyond cat cage, trim right hand side and neighbours side. 1 x Cherry tree to fell.

    159 Parkway Welwyn Garden City AL8 6JA

    Received 13 Oct 2025

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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.

Check collection coverage

More planning authorities in England

Browse all authorities