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
40,285Searchable applications
321Recorded as pending
86%Approval rate · 33,777 approved or refused records
4,815Refused applications

28,962 approved · 4,815 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2008/0551/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE EXTENSIONS AND REAR SINGLE STOREY EXTENSION

    6 SHRUBLANDS, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AL

    Received 11 Mar 2008
  2. Decided6/2023/2100/TC

    1 x Ash to dismantle in sections to ground level (ash dieback) 1 x Sycamore to remove limb growing towards Leyland Cypress. Reduce remaining by approximately 2m in height and width 1 x Ash to remove limb (see annotated picture) and reduce remaining by approximately 2m in height and 2m in width All of the above would improve light and reduce overhang

    32 Guessens Road Welwyn Garden City AL8 6RA

    Received 16 Oct 2023
  3. Decided - GrantedS6/2006/0419/FP

    CHANGE OF USE FROM CLASS B1 TO TAXI OFFICE (SUI GENERIS)

    3 Fiddlebridge Lane Hatfield AL10 0SP

    Received 24 Mar 2006
  4. Decided - GrantedN6/2009/0937/FP

    CONVERSION OF FIRST FLOOR OFFICE UNIT TO THREE SELF-CONTAINED RESIDENTIAL UNITS

    10 CHURCH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PS

    Received 18 May 2009
  5. Decided - Granted6/2021/0822/HOUSE

    Erection of a single storey side extension, pitched roof added to existing single storey extension and to garage,. Changes to fenestration, rendering and cladding of external walls and re-roofng.

    29 New Road Digswell Welwyn AL6 0AQ

    Received 15 Mar 2021
  6. Decided - Granted6/2025/1591/HOUSE

    Erection of single storey side extension

    8 Great Break Welwyn Garden City AL7 3EZ

    Received 24 Jul 2025
  7. Decided - Granted6/2020/0931/VAR

    Variation of condition 1 (materials) on Planning Permission 6/2019/1711/HOUSE

    6 Oaklea Welwyn AL6 0PU

    Received 24 Apr 2020
  8. Decided6/2020/3291/EIA

    Request for a screening opinion

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 3 Dec 2020
  9. Decided - Granted6/2020/2538/HOUSE

    Erection of a part two-storey side and part single-storey side and rear extension

    14 Walnut Court Welwyn Garden City AL7 4EZ

    Received 1 Oct 2020
  10. Decided - GrantedS6/2010/0318/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    64 MOFFATS LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RU

    Received 26 Feb 2010
  11. Decided - GrantedN6/2007/1165/FP

    INSTALLATION OF NEW WINDOW IN SIDE ELEVATION AT GROUND FLOOR LEVEL

    1 Parkway Gardens, WELWYN GARDEN CITY, Hertfordshire, AL8 6JW

    Received 3 Aug 2007
  12. Decided - Refused6/2019/2811/COND

    Submission of details pursuant to condition 1(crown roof details) on planning permission 6/2019/1796/HOUSE

    92 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QQ

    Received 6 Nov 2019
  13. Decided - GrantedS6/2013/0571/DS

    Discharge of condition 3 (materials) and 4 ( hard and soft landscaping) of planning permission S6/2012/0862/FP

    164 Tolmers Road, Cuffley, Potters Bar, EN6 4JR

    Received 8 Mar 2013
  14. Decided - GrantedN6/2007/1542/TP

    REDUCTION OF CANOPY BY 30% (NO MORE THAN 1.5M) AND REMOVAL OF EPICORMIC GROWTH ON OAK TREE, TPO 306 T1

    29 LONDON ROAD, WELWYN, HERTFORDSHIRE, AL6 9HY

    Received 18 Oct 2007
  15. Decided - Withdrawn6/2017/2886/VAR

    Variation of Condition 1 (Time Period) on planning permission S6/2015/0489/FP

    65 Georges Wood Road Brookmans Park Hatfield AL9 7BX

    Received 12 Dec 2017
  16. Decided - Withdrawn6/2024/0268/LB

    Replacement of existing soft wood window frames with uPVC casement window frames in white, identical in design and measurement to the current window frames (in keeping with those in the rest of the building) in a wood grained look/design

    11 Astwick Manor Coopers Green Lane Hatfield AL10 9BP

    Received 8 Feb 2024
  17. Decided - Withdrawn6/2025/2290/FULL

    Erection of boundary walls with railings and gates along front boundary

    Land adjacent to Bell Lane Bell Bar The Brookmans Park Estate AL9 7AY

    Received 29 Oct 2025
  18. Decided - Granted6/2023/2235/HOUSE

    Installation of new obscured glazed external door to side elevation

    5 Peartree Court Welwyn Garden City AL7 3XN

    Received 3 Nov 2023
  19. Decided - GrantedW6/2010/0018/EM

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION, SINGLE STOREY FRONT, SIDE AND REAR EXTENSION

    68 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SG

    Received 5 Jan 2010
  20. Decided - WithdrawnW6/2013/2740/EM

    Change of use of amenity land to residential and erection of two storey side extension

    73 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 24 Dec 2013
  21. Decided - Granted6/2018/0839/HOUSE

    Erection of a single storey front extension

    39 Birchall Wood Welwyn Garden City AL7 2HL

    Received 29 Mar 2018
  22. Decided - Granted6/2016/1643/TPO

    Removal of Apple tree - Conservation Area

    51 Brockswood Lane, Welwyn Garden City, AL8 7BU

    Received 11 Aug 2016
  23. Decided6/2020/1502/TC

    Fell 1 x Oak tree (T2)

    33 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 25 Jun 2020
  24. Decided - Refused6/2018/2276/PN8

    Prior approval for the erection of single storey side extension measuring 4m in depth, 3.6m in height, 2.9m to the eaves

    2 Maple Grove Welwyn Garden City AL7 1NH

    Received 5 Sept 2018

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

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  • 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.

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