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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2016/0379/HOUSE

    Garage conversion (involving front elevational alterations) and erection of timber rear - garden storage shed

    6 Wyton, Welwyn Garden City, AL7 2PF

    Received 3 Mar 2016
  2. Decided - Granted6/2024/1286/TPO

    TPO 881 (2022) Rear Garden: (T1) Oak tree (TPO881: T2) to be reduced by approx. 25%, to previous pruning points (T2) Oak tree (TPO881: T5) on the rear border to be reduced by approx. 25%, to previous pruning points (T3) Hawthorn tree (TPO881: T4) on the rear border to be reduced by approx. 30% to suitable lateral growth points. Works carried out as a course of general maintenance. The trees are getting large for their locations, so a reduction in size would preserve their longevity and also improve the amenity value of the landscape.

    2 Pine Crest Welwyn AL6 0EQ

    Received 8 Jul 2024
  3. Decided - Granted6/2025/1162/EM

    Installation of 12-14 solar panels on our rear facing roof (over the garden).

    94 Uplands Welwyn Garden City AL8 7EQ

    Received 11 Jun 2025
  4. Decided - Granted6/2018/2193/COND

    Submission of details pursuant to condition 4 (refuse and bicycle storage) & 5 (parking and landscaping details) on planning permission 6/2017/1690/FULL

    53 Roe Green Close Hatfield AL10 9PF

    Received 23 Aug 2018
  5. Decided - Granted6/2023/0038/HOUSE

    Proposed ground floor side infill extension, facade alterations, window insertion, floor plan redesign and all associated works to approved application Ref: 6/2021/1889/HOUSE

    18 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 9 Jan 2023
  6. Decided - Granted6/2025/1418/COND

    Submission of details pursuant to condition number 1 (Materials Samples), on planning permission 6/2025/0033/HOUSE

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 4 Jul 2025
  7. Decided - Granted6/2021/0613/LAWP

    Certificate of lawfulness for the erection of a single storey, lean-to, rear extension

    147 Peartree Lane Welwyn Garden City AL7 3AJ

    Received 25 Feb 2021
  8. Decided - GrantedN6/2013/0340/S73B

    Variation of Condition 1 of N6/2009/436/S73B (Original variation of Condition 7 of N6/2005/1026/FP for car parking) - Erection of part three, four and six storey building comprising 213 units of key worker housing, following the demolition of Woolmer House

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 12 Feb 2013
  9. Decided - GrantedN6/2014/0602/FP

    Retention of covered pergola

    61 Wheatley Road, Welwyn Garden City, AL7 3LH

    Received 20 Mar 2014
  10. Decided - RefusedN6/2007/0607/FP

    PROPOSED ALTERATIONS TO ROOF TO FORM SECOND FLOOR LIVING ACCOMODATION AND INSERTION OF FOUR DORMER WINDOWS

    94 Brocket Road Welwyn Garden City AL8 7TU

    Received 18 Apr 2007
  11. Decided - Granted6/2016/1288/VAR

    Variation of condition 2 (drawings) on planning permission S6/2014/1696/FP

    19 Kingsmead, Cuffley, Potters Bar, EN6 4AN

    Received 27 Jun 2016
  12. Decided - Refused6/2017/1390/HOUSE

    Erection of extension to existing outbuilding to form an annex (ancillary accomodation)

    Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD

    Received 16 Jun 2017
  13. Decided - Granted6/2022/2760/HOUSE

    Retrospective installation of concrete driveway with aco drains. Installation of mature shrubs.

    27 Middlefield Welwyn Garden City AL7 4DQ

    Received 5 Dec 2022
  14. Decided - GrantedN6/2006/0465/FP

    SINGLE STOREY SIDE EXTENSION

    46 Elmwood Welwyn Garden City AL8 6LE

    Received 6 Apr 2006
  15. Decided - Refused6/2017/0306/LAWP

    Certificate of lawfulness for the erection of side porch, single storey side extension and single storey rear extension as well as hip to gable with rear dormer window and 2 velux windows to front roof scape

    38 Wellcroft Road Welwyn Garden City AL7 3JY

    Received 17 Feb 2017
  16. Decided - Granted6/2016/1649/LB

    Re-location of door

    8 Mill Lane Welwyn AL6 9ET

    Received 11 Aug 2016
  17. Decided - Granted6/2017/0901/TPO

    Crown lift 3 Oak trees to 5m and removal of deadwood from 4 Oak trees - Conservation area

    11 Willow Grove Welwyn Garden City AL8 7NA

    Received 2 May 2017
  18. Decided - Granted6/2021/3263/COND

    Submission of detail pursuant to condition 8 (fire hydrants) on planning permission 6/2018/0804/FULL

    The Spinney High Road Essendon Hatfield AL9 6HP

    Received 16 Nov 2021
  19. Decided - RefusedC6/1988/0258/FP

    Single storey side extension

    8 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 1 Jan 1988
  20. Decided - Granted6/2021/1913/HOUSE

    Small roof addition, alterations to fenestration and internal layout.

    2 Broom Hill Welwyn AL6 0SE

    Received 23 Jun 2021
  21. Decided - RefusedS6/2004/0462/FP

    ERECTION OF SIDE EXTENSION AND ROOF ALTERATION TO FORM ADDITIONAL LIVING ACCOMMODATION WITH FRONT AND REAR DORMER WINDOWS.

    14 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 25 Mar 2004
  22. Decided - Withdrawn6/2017/1699/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2016/2577/HOUSE dated 24.01.2017

    7 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 2 Aug 2017
  23. Decided - Granted6/2017/1792/EM

    Fell 1 x Apple Tree - Dead and Dangerous

    39 Fordwich Road Welwyn Garden City AL8 6EY

    Received 15 Aug 2017
  24. Decided - Granted6/2016/0642/HOUSE

    Erection of single and two storey rear extensions

    6 High Road, Essendon, Hatfield, AL9 6HW

    Received 5 Apr 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

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.

  • 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.

  • 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.

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