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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1729/EMT

    Fell 1 x Yew Topiaries Tree [T1] Fell 1 x Yew Topiaries Tree [T2]

    9 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 15 Jul 2020
  2. Decided - GrantedN6/2015/0205/TP

    Crown thin Oak tree by 20% and remove deadwood plus crown lift Sweet Chestnut tree to 4m, cut back overhang and remove deadwood covered by TPO 404

    8 Oak Piece Welwyn AL6 0XE

    Received 2 Feb 2015
  3. Decided - Granted6/2015/2476/TPO

    Crown thin Oak tree (T1) by 30% and removal of lower branches from Oak tree (T2) covered by TPO 267.

    7 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 7 Dec 2015
  4. Decided - Granted6/2018/2031/FULL

    Erection of 1 dwelling with associated parking and amenity space

    Land Between 33 & 35 Pine Grove Pine Grove Brookmans Park Hatfield AL9 7BP

    Received 3 Aug 2018
  5. Decided - Granted6/2017/2410/FULL

    Installation of fire door to North elevation with associated escape path and parking spaces, replace existing windows and installation of windows to South elevation to replace existing double doors.

    Parkway Community Health Centre Birdcroft Road Welwyn Garden City AL8 6EH

    Received 19 Oct 2017
  6. Decided - Granted6/2019/0825/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    68 Park Meadow Hatfield AL9 5HB

    Received 5 Apr 2019
  7. Decided - GrantedN6/2013/2593/FP

    Erection of single storey side and rear extensions incorporating pitch roof and 5no. Roof lights

    131 Oakdale, Welwyn Garden City, AL8 7QS

    Received 3 Dec 2013
  8. Decided - GrantedW6/2004/1096/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    12 Katescroft, Welwyn Garden City, AL7 4DR

    Received 16 Jul 2004
  9. Decided - Granted6/2016/2519/HOUSE

    Erection of two storey rear extension

    5 Guessens Road Welwyn Garden City AL8 6QW

    Received 23 Nov 2016
  10. Decided - Granted6/2022/2756/EM

    Part single, part two storey rear extension, following demolition of conservatory and alteration to opening to rear elevation. Plus front porch extension.

    31 Sweet Briar Welwyn Garden City AL7 3DU

    Received 5 Dec 2022
  11. Decided - Refused6/2020/3048/FULL

    Proposed 1 bed 2 person earth house

    Land to the North-west of 17 Rollswood Road Welwyn AL6 9TX

    Received 18 Nov 2020
  12. Decided - Refused6/2020/0380/LAWP

    Certificate of lawfulness for a single storey rear extension

    7 Hurst Close Welwyn Garden City AL7 2HX

    Received 11 Feb 2020
  13. Decided - Refused6/2022/0898/LAWP

    Certificate of lawfulness for single storey rear extension

    7 River View Welwyn Garden City AL7 1UA

    Received 14 Apr 2022
  14. Decided - GrantedN6/2004/0061/LB

    WORKS TO INSTALL DAMP PROOFING COURSE

    Pennyfathers Pennyfathers Lane Welwyn AL6 0EL

    Received 16 Jan 2004
  15. Decided - WithdrawnW6/2013/1755/EM

    Erection of single storey side and rear extension

    2 The Paddocks, Welwyn Garden City, AL7 2BP

    Received 12 Aug 2013
  16. Decided - GrantedS6/2007/1009/FP

    ERECTION OF 10 STABLES FOLLOWING DEMOLITION OF EXISTING

    Thunderbridge Yard Bulls Lane

    Received 2 Jul 2007
  17. Decided - Granted6/2025/2523/COND

    Submission of details pursuant to condition number 1 (Travel plan) on planning permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

    Received 5 Dec 2025
  18. Decided - GrantedS6/2015/0728/FP

    Retention of installation of buried cross country valve, remote controlled actuator within security cage and 1no kiosk (including part change of use of land to operational area)

    1 Watersplash Cottage Station Road Welham Green Hatfield AL9 7SW

    Received 31 Mar 2015
  19. Decided - Granted6/2016/0289/COND

    Approval of details reserved by Conditions 2 (samples of the materials) and 3 (scaled plan of soft landscape works) on planning permission 6/2015/2337/FULL

    Zither Great North Road Brookmans Park Hatfield AL9 6ND

    Received 19 Feb 2016
  20. Decided6/2020/0886/TC

    Fell 1 x Oak Tree [T3]

    4 Densley Close Welwyn Garden City AL8 7JX

    Received 16 Apr 2020
  21. Decided - Withdrawn6/2020/2051/HOUSE

    Erection of rear and side extension

    11 Thumbswood Welwyn Garden City AL7 4QE

    Received 13 Aug 2020
  22. Under Consideration6/2025/1175/COND

    Submission of details pursuant to condition number 8 part D (Drainage Strategy), on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 11 Jun 2025
  23. Decided - GrantedN6/2004/1075/FP

    ERECTION OF PITCH ROOF TO GARAGE

    4 Dewars Close Welwyn AL6 9RR

    Received 13 Jul 2004
  24. Decided - Granted6/2024/0915/HOUSE

    Erection of a single storey front extension

    95 Brookmans Avenue Hatfield AL9 7QG

    Received 16 May 2024

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