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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2020/0812/TC

    Fell 1x Christmas tree (spruce) [T1] Fell 2x Leylandii conifer [T2 and T3]

    18 Wilkins Grove Welwyn Garden City AL8 6JS

    Received 31 Mar 2020
  2. Decided - Granted6/2018/2860/LAWP

    Certificate of lawfulness for the erection of a rear extension

    3 Holme Close Hatfield AL10 9LQ

    Received 6 Nov 2018
  3. Decided - Granted6/2016/0700/TPO

    Reduce two Yew trees by 2m and lift crown to 2.5m. Reduce laterals towards house on Silver Birch tree by upto 2m and remove storm damaged branch from Birch tree covered by TPO 272

    1A Adele Avenue Digswell Welwyn AL6 0AU

    Received 14 Apr 2016
  4. Decided - Refused6/2026/1506/LAWP

    Erection of single storey side extensions x 2 and two storey rear extension

    Gosmore Brocket Road Welwyn Garden City AL8 7TT

    Received 27 Aug 2026
  5. Decided - GrantedW6/2012/2525/EM

    Loft conversion comprising of two rear Velux roof windows

    65 Lemsford Lane, WELWYN GARDEN CITY, AL8 6YN

    Received 26 Nov 2012
  6. Decided - Granted6/2017/0160/EM

    Erection of single storey rear extension with roof light, following demolition of existing conservatory

    14 Howlands Welwyn Garden City AL7 4RD

    Received 27 Jan 2017
  7. Decided - Granted6/2020/1254/HOUSE

    Erection of a single storey and two storey side and rear extensions, following demolition of attached buildings. Raising of front and rear parapets and insertion of roof lights. Works to also include partial garage conversion, alterations to fenestration and extension of existing driveway.

    24 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 4 Jun 2020
  8. Decided - Granted6/2021/0358/HOUSE

    Removal of existing conservatory and summerhouse, erection of single storey rear extension and garage conversion to habitable room

    24 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 1 Feb 2021
  9. Decided - Granted6/2021/0949/HOUSE

    Retention of single storey outbuilding

    22 Selwyn Drive Hatfield AL10 9NJ

    Received 22 Mar 2021
  10. Decided - Granted6/2022/2128/EM

    Erection of a single storey rear/side extension, part conversion of existing garage and part demolition of existing side extension, loft conversion and alterations to openings, including insertion of roof lights.

    15 Fearnley Road Welwyn Garden City AL8 6HW

    Received 13 Sept 2022
  11. Decided - GrantedW6/2015/1151/EM

    Removal of hedge and enlargement of vehicle hardstanding

    104 Mill Green Road Welwyn Garden City AL7 3XE

    Received 1 Jun 2015
  12. Decided - Granted6/2015/1863/COND

    Approval of details reserved by condition 7 (energy assessment), condition 8 (construction method), condition 10 (waste management), 21 (noise assessment) and 22 (Lifetime Homes) on planning permission S6/2011/1994/MA

    Salisbury Square Hatfield AL9 5AF

    Received 3 Sept 2015
  13. Decided6/2020/2344/TC

    Reduce 2 x Apple Trees by 1.2m covered by conservation area

    14 Moorend Welwyn Garden City AL7 4QL

    Received 14 Sept 2020
  14. Decided - Granted6/2017/0747/PN8

    Prior approval for the erection of a single storey rear extension to include roof light, measuring 3.65m in depth, 3.44m in height and 2.87m to the eaves

    39 Beechfield Road Welwyn Garden City AL7 3RG

    Received 11 Apr 2017
  15. Decided - Withdrawn6/2019/1236/HOUSE

    Erection of two storey rear, side extension and single storey rear

    15 Glebe Road Welwyn AL6 9PB

    Received 22 May 2019
  16. Decided - Granted6/2020/2146/EMT

    Reduce 1x Deodar Cedar by 3m height and 2.5m width and reduce 1 x Plum by 1m height and width

    49 Rowans Welwyn Garden City AL7 1NZ

    Received 24 Aug 2020
  17. Decided - GrantedS6/2004/0458/FP

    ERECTION OF CONSERVATORY AT GROUND FLOOR LEVEL.

    48 Calder Avenue Brookmans Park Hatfield AL9 7AG

    Received 23 Mar 2004
  18. Decided - RefusedS6/2008/1163/FP

    ERECTION OF FRONT BOUNDARY WALL AND ACCESS GATES TO EXISTING CROSSOVER

    58 NEW PARK ROAD, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8RF

    Received 10 Jul 2008
  19. Decided - Granted6/2017/1608/EM

    Fell 1 x Conifer Fir tree

    27 Dellcott Close Welwyn Garden City AL8 7BB

    Received 21 Jul 2017
  20. Decided - GrantedS6/2004/0239/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    69 Crawford Road Hatfield AL10 0PF

    Received 13 Feb 2004
  21. Decided - Granted6/2023/0620/HOUSE

    Erection of a single storey front to rear side and rear extension with rear raised deck following demolition of existing rear garage

    21 Theobalds Road Cuffley Potters Bar Hertfordshire EN6 4HQ

    Received 21 Mar 2023
  22. Decided - GrantedS6/2014/0219/DT

    Erection of 15 metre elara pole to replace existing 13.6 metre pole along with additional cabinets and ancillary development

    Junction of Great North Road and, Swanley Bar Lane, Little Heath, Potters Bar, EN6 1NX

    Received 31 Jan 2014
  23. Decided - Granted6/2019/2216/LAWP

    Certificate of lawfulness for the installation of dormer

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 6 Sept 2019
  24. Decided - Granted6/2021/0159/EM

    Erection of summerhouse in rear garden

    69 Digswell Rise Welwyn Garden City AL8 7PT

    Received 19 Jan 2021

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