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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2023/0819/EMT

    T1-Apple-Prune all round back 20% T2-Mixed hedgerow on rear side and end of garden- Fell to ground level as it is dying and being replaced by a new fence

    4 Warren Dale Welwyn Garden City AL8 7HN

    Received 17 Apr 2023
  2. Decided - Granted6/2018/2322/EM

    Formation of extended driveway following removal of existing driveway and replacement of existing Buxus Sempervirens (box) hedge with Ligustrum Ovalifolium (Privet)

    57 Valley Road Welwyn Garden City AL8 7DH

    Received 10 Sept 2018
  3. Decided - Refused6/2023/1371/LAWE

    Certificate of lawfulness for an existing garden room

    3 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 3 Jul 2023
  4. Decided - Granted6/2017/1996/HOUSE

    Erection of a part two, part first floor rear extension. Insertion of flank elevation windows.

    67 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 5 Sept 2017
  5. Decided - Granted6/2019/1981/EM

    Fell 1x Oak tree

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 9 Aug 2019
  6. Decided - GrantedN6/2005/1350/FP

    ERECTION OF REAR PORCH

    3 Sir John Newsom Way Welwyn Garden City AL7 4FJ

    Received 25 Oct 2005
  7. Decided - GrantedS6/2005/1586/FP

    FORMATION OF NEW GAMES COURT

    LITTLE HEATH JUNIOR MIXED SCHOOL, SCHOOL ROAD, POTTERS BAR, HERTFORDSHIRE, EN6 1JW

    Received 23 Dec 2005
  8. Decided - Granted6/2024/1604/EM

    First floor side extension, two storey front extension and conversion of existing garage, alterations to openings on existing rear elevation with insertion of roof light to existing roof and formation of hardstanding to front

    43 Great Dell Welwyn Garden City AL8 7HP

    Received 21 Aug 2024
  9. Decided - Refused6/2017/1394/HOUSE

    Erection of single storey side infill extension and erection of single storey side extension following demolition of detached garage.

    9 Pleasant Rise Hatfield AL9 5DR

    Received 27 Jun 2017
  10. Decided - Withdrawn6/2019/0272/COND

    Submission of details pursuant to condition 2 (parking space to be laid out, surfaced and marked) on planning permission 6/2017/1508/VAR

    Orme Court Essendon Hatfield AL9 6BP

    Received 6 Feb 2019
  11. Decided - GrantedN6/2007/1571/FP

    ERECTION OF CHALET STYLE BUNGALOW FOLLOWING DEMOLITION OF EXISTING DWELLING

    37 Turpins Chase Welwyn AL6 0RP

    Received 24 Oct 2007
  12. Decided - Granted6/2021/0771/HOUSE

    Erection of single storey rear extension with insertion of 2 x rooflights and widening of first floor balcony

    9 Groom Place Welwyn Garden City AL7 1GG

    Received 10 Mar 2021
  13. Decided - Withdrawn6/2020/1522/VAR

    Variation of condition 2 (The Party Wall Act), on planning permission (6/2019/3183/HOUSE)

    15 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 29 Jun 2020
  14. Decided - Granted6/2019/2080/COND

    Submission of details pursuant to condition 7 (scaled plan of both soft and hard landscape) on planning application 6/2017/2423/FULL

    24 London Road Welwyn AL6 9JD

    Received 19 Aug 2019
  15. Decided - Granted6/2025/2035/TPO

    Remove 1 x Ash lateral branch (T1) Fell 1 x Ash to near ground (T2)

    2 Claregate Thornton Road Little Heath Potters Bar EN6 1BY

    Received 23 Sept 2025
  16. Decided - GrantedN6/2004/1115/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    132 Boundary Lane Welwyn Garden City AL7 4DF

    Received 20 Jul 2004
  17. Decided - Refused6/2020/0436/HOUSE

    Erection of first floor side extension

    33 Hunters Way Welwyn Garden City AL7 4NR

    Received 17 Feb 2020
  18. Decided - Granted6/2017/0431/HOUSE

    Demolition of covered verandah and erection of single storey extension

    Digswell Water House Digswell Lane Welwyn AL6 0BY

    Received 6 Mar 2017
  19. Decided - WithdrawnS6/2014/0803/FP

    Erection of part first floor and part two storey rear extension

    34 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QA

    Received 10 Apr 2014
  20. Decided - GrantedN6/2015/0912/DS

    Approval of details reserved by condition 3 (materials) of planning permission N6/2014/1333/FP

    47 Peartree Lane, Welwyn Garden City, AL7 3UA

    Received 29 Apr 2015
  21. Decided - Refused6/2019/0701/EM

    Fell 1 x Silver Birch tree

    162 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 20 Mar 2019
  22. Decided - Granted6/2024/1277/HOUSE

    Erection of a single storey rear extension, garage conversion, installation of two side rooflights, erection of an outhouse in the garden and alterations to fenestration

    28 Plough Hill Cuffley Potters Bar EN6 4DR

    Received 8 Jul 2024
  23. Appeal Decided - DismissedN6/2008/1870/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION AND ALTERATIONS TO EXISTING EXTENSION TO CREATE A NEW DWELLING

    65 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BJ

    Received 2 Oct 2008
  24. Decided - Granted6/2019/0954/HOUSE

    Erection of a single storey rear extension and a rear dormer to facilitate loft conversion

    22 Cornflower Way Hatfield AL10 9FY

    Received 18 Apr 2019

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