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
36,381Searchable applications
333Recorded as pending
86%Approval rate · 30,306 approved or refused records
4,139Refused applications

26,167 approved · 4,139 refused · 1,938 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/3047/HOUSE

    Erection of part single, part two storey rear extension with alterations to openings

    10 Corn Mead Welwyn Garden City AL8 7QR

    Received 29 Nov 2018
  2. Appeal Decided - Dismissed6/2017/0697/FULL

    Erection of two storey rear extension comprising of extension to A1 Retail unit at ground floor and residential studio unit at first floor.

    11 Bradmore Green Brookmans Park Hatfield AL9 7QW

    Received 6 Apr 2017
  3. Decided - Refused6/2018/0091/HOUSE

    Erection of two storey side extension

    90 Valley Road Welwyn Garden City AL8 7DP

    Received 11 Jan 2018
  4. Decided - GrantedS6/2008/1272/FP

    RETENTION OF AMENDED ROOF CONFIGURATION, REAR DORMER DESIGN AND ELEVATIONAL CHANGES TO REAR SINGLE STOREY EXTENSION (REVISION TO PLANNING APPLICATION S6/2008/635/FP)

    23 MYMMS DRIVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AE

    Received 15 Aug 2008
  5. Decided - GrantedS6/2014/0814/LUP

    Certificate of lawfulness for proposed annexe from existing garage

    Laurel Cottage, Carbone Hill, Northaw, Hertford, SG13 8RG

    Received 22 Apr 2014
  6. Decided - GrantedW6/2013/0382/TE

    Reduce Ash tree by 40%

    22 Moorlands Welwyn Garden City AL7 4PP

    Received 21 Feb 2013
  7. Decided - Granted6/2018/1049/COND

    Submission of details pursuant to condition 2 (surface water drainage scheme) on planning permission 6/2017/0777/Full dated 20/06/2017

    Land between 46 & 48 Peplins Way Brookmans Park Hatfield AL9 7UU

    Received 23 Apr 2018
  8. Decided - GrantedW6/2015/0077/TE

    Reduce hornbeam tree by 20% and remove or shorten broken branch from oak tree

    21 Coneydale Welwyn Garden City AL8 7RX

    Received 27 Jan 2015
  9. Decided - Granted6/2023/2004/EM

    Garage conversion

    48 Springfields Welwyn Garden City AL8 6XN

    Received 29 Sept 2023
  10. Decided - Refused6/2020/2368/EMH

    Erection of single storey side extension and infill side extension. Demolition of conservatory, erection of single storey part two storey side/rear extension, insertion of 3 x roof lanterns & 3 x roof lights

    5 Pentley Park Welwyn Garden City AL8 7RT

    Received 15 Sept 2020
  11. Decided - GrantedN6/2009/0388/TE

    FELLING OF SYCAMORE TREE AND REMOVAL OF LEYANDI HEDGE IN REAR GARDEN

    5 LITTLE YOUNGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SL

    Received 26 Feb 2009
  12. Decided - Granted6/2016/1141/TPO

    Removal of group of five Leylandii trees (growing from same stump) and crown lift Lime tree to 4m.

    Northaw Village Hall, 5 Northaw Road West, Northaw, Potters Bar, EN6 4NW

    Received 10 Jun 2016
  13. Decided - Refused6/2022/1991/EM

    Retention of porch structure

    8 Homestead Lane Welwyn Garden City AL7 4LU

    Received 26 Aug 2022
  14. Decided - Granted6/2025/0177/HOUSE

    Erection of single storey rear extension

    5 Church Close Cuffley Potters Bar EN6 4LS

    Received 3 Feb 2025
  15. Decided - Granted6/2018/2396/EM

    Erection of single storey rear extension and installation of 2x dormer windows to facilitate loft conversion to habitable space

    51 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 18 Sept 2018
  16. Decided - Granted6/2018/0605/EM

    Erection of a single storey side extension and replacement of existing front dormers & installation of one additional dormer.

    29 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 5 Mar 2018
  17. Decided - Granted6/2020/0857/COND

    Submission of details pursuant to condition 9 (bin stores and access arrangements) 10 (cycle stores) and 13 (covered seating area) on planning permission 6/2018/2552/FULL (APP/C1950/W/19/3230504)

    Maynard House The Common Hatfield AL10 0NF

    Received 8 Apr 2020
  18. Decided - Granted6/2021/1396/EMH

    Erection of a single storey side extension and a single storey rear extension, following demolition of existing conservatory

    20 Golden Dell Welwyn Garden City AL7 4EB

    Received 30 Apr 2021
  19. Decided - Granted6/2024/2329/EMT

    1 x Holly to reduce by approximately 1.5m in height, Reduce to create a better shape as surpassed by neighbouring beech 1 x Apple to reduce by approximately 1.8m in height and 1.2m in width. reducing to retain tree as there is a large decayed area in lower trunk

    11 High Grove Welwyn Garden City AL8 7DW

    Received 3 Dec 2024
  20. Decided - Refused6/2021/0024/EM

    Erection of a first floor, two storey side and a single storey, two storey rear extensions

    1 Guessens Road Welwyn Garden City AL8 6QW

    Received 5 Jan 2021
  21. Decided - GrantedS6/2008/1128/FP

    INFILL BENEATH GALLERIA NORTH BUILDING (CINEMA) TO PROVIDE NEW A3/A5 RESTAURANT UNITS

    THE GALLERIA, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0YD

    Received 8 Jul 2008
  22. Decided - GrantedS6/2009/0689/FP

    ERECTION OF REAR CONSERVATORY

    5 THRUSH LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JT

    Received 2 Apr 2009
  23. Decided - Split6/2021/1143/COND

    Submission of details pursuant to condition 1 (internal noise levels), 2 (noise levels in external amenity areas), 3 (construction management plan), on planning permission 6/2018/2863/FULL

    36 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 8 Apr 2021
  24. Decided - Granted6/2018/0209/EM

    Reduce crown of 1 x Pine tree

    32 High Oaks Road Welwyn Garden City AL8 7BH

    Received 23 Jan 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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