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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2007/0810/EM

    ERECTION OF REAR CONSERVATORY

    1 Mountway Close, Welwyn Garden City, AL7 4JZ

    Received 29 May 2007
  2. Decided - GrantedN6/2008/1313/FP

    ERECTION OF TWO STOREY FRONT EXTENSION

    25 BIRCHALL WOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2HL

    Received 29 Jul 2008
  3. Decided - Refused6/2018/1551/HOUSE

    Erection of single storey rear and side extension

    40 The Swallows Welwyn Garden City AL7 1BY

    Received 11 Jun 2018
  4. Decided - RefusedN6/2008/2047/MA

    DEMOLITION OF THE EXISTING BUNGALOW, ERECTION OF REPLACEMENT DWELLING, DETACHED DOUBLE GARAGE AND ADDITIONAL SECTION OF 3 METRE HIGH ACOUSTIC FENCING PANELS ADJACENT TO THE A1(M)

    Appledene 7 Normans Lane Welwyn AL6 9TQ

    Received 24 Oct 2008
  5. Appeal Decided - Allowed6/2021/1314/LB

    Listed building consent for retention of a single storey outdoor bar

    The Coach And Horses 61 Newgate Street Village Hertford SG13 8RA

    Received 23 Apr 2021
  6. Decided - Granted6/2019/2946/COND

    Submission of details pursuant to condition 1 (approved remediation scheme) on planning permission 6/2018/2224/FULL

    Rear of 10 - 12 Little Ganett Welwyn Garden City AL7 3DF

    Received 22 Nov 2019
  7. Decided - Granted6/2019/0558/COND

    Submission of details pursuant to conditions 1 (Archaeological ), 2 (Details Patio), 3 (Materials) and 4(Outbuilding) on planning permission 6/2018/2719/LB

    26 High Street Welwyn AL6 9EQ

    Received 11 Mar 2019
  8. Decided - GrantedS6/2009/0122/LU

    ERECTION OF SINGLE STOREY REAR EXTENSION

    3 CHURCH CLOSE, CUFFLEY, HERTFORDSHIRE, EN6 4LS

    Received 21 Jan 2009
  9. Decided - Granted6/2022/1563/COND

    Submission of details pursuant of condition 9 (landscape and ecology) on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 4 Jul 2022
  10. Decided - Granted6/2023/1652/TPO

    Oak - Crown reduce by 1.5 meters (reduce the regrowth back to the previous cut points) and remove dead wood. Hornbeams - Reduce the crown and lateral branches of the group of Hornbeams by 1 - 1.5 meters (reduce the regrowth back to the previous cut points). (To prevent the build-up of leaves which make the path slippery in the winter)

    1 Oak Piece Welwyn AL6 0XE

    Received 9 Aug 2023
  11. Decided - GrantedS6/2015/0672/LUP

    Certificate of lawfulness for proposed single storey rear extension

    1 The Gardens, Hatfield, AL9 7UL

    Received 27 Mar 2015
  12. Decided - Granted6/2020/2252/EMH

    Erection of first floor front and part single, part two storey rear extensions, porch alteration, roof alterations over garage and alterations to openings. Conversion of garage into habitable accommodation.

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 8 Jul 2020
  13. Decided - Granted6/2015/1934/LB

    Erection of Porch to front elevation

    Digswell Water Mill Digswell Lane Welwyn AL6 0SW

    Received 16 Sept 2015
  14. Decided - GrantedW6/2015/0773/EM

    Erection of single storey rear extension

    206 Thistle Grove, Welwyn Garden City, AL7 4AJ

    Received 8 Apr 2015
  15. Decided - Granted6/2020/3224/EMT

    T1 - Leylandii - reduce by 50% to maintain a good height for light.

    137 Parkway Welwyn Garden City AL8 6JB

    Received 30 Nov 2020
  16. Decided - WithdrawnS6/2014/0488/NM

    Non material amendment following approval of planning permission S6/2013/2456/FP - Proposed rear gable dormers with hanging tiles and velux windows to the front roofscape

    75 Mulberry Mead Hatfield AL10 9EH

    Received 12 Mar 2014
  17. Decided6/2019/1234/TC

    Fell 1 x Silver Birch tree

    5 Valley Road Welwyn Garden City AL8 7DG

    Received 7 May 2019
  18. Decided - Granted6/2017/2550/COND

    Submission of details pursuant to condition 5 (details of the colours of the solar panels) on consent 6/2017/1094/EM

    235 Handside Lane Welwyn Garden City AL8 6TF

    Received 2 Nov 2017
  19. Decided - Granted6/2024/0370/HOUSE

    Erection of single storey rear extension

    14 Gooseacre Welwyn Garden City AL7 4NB

    Received 27 Feb 2024
  20. Decided - Split6/2019/0730/COND

    Submission of details pursuant of conditions, 1 (Cross-sections), 2 (Materials), 3 (Landscapes), 4 (Season Planting), 5 (Obscured Glass), 6 (Crown Section), 7 (Approved Plans) on planning permission 6/2017/2693/FULL

    47 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 27 Mar 2019
  21. Decided - Granted6/2017/2917/HOUSE

    Erection of first floor rear extension

    72 Upperfield Road Welwyn Garden City AL7 3LW

    Received 18 Dec 2017
  22. Decided6/2022/1201/TC

    Fell 1 x sycamore due to sever decline following fire damage

    9 Newfields Welwyn Garden City AL8 6YS

    Received 24 May 2022
  23. Decided - GrantedN6/2004/0908/FP

    ALTERATIONS TO SHOPFRONT.

    23-27 High Street Welwyn AL6 9EE

    Received 15 Jun 2004
  24. Decided - GrantedN6/2014/0983/LUP

    Certificate of lawfulness for proposed single storey rear extension, insertion of rear dormer and replacement garage

    10 Harmer Green Lane Digswell Welwyn AL6 0AX

    Received 2 May 2014

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
  • 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