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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
39,902Searchable applications
298Recorded as pending
86%Approval rate · 33,454 approved or refused records
4,782Refused applications

28,672 approved · 4,782 refused · 2,192 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedS6/2009/1600/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    10 WILKINS GREEN LANE, HATFIELD, HERTS, AL10 9RT

    Received 7 Jul 2009
  2. Decided - GrantedN6/2007/1743/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    8 KILNFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1NR

    Received 28 Nov 2007
  3. Decided - Granted6/2024/1909/EM

    Installation of roof mounted MCS solar PV system

    57 Crossway Welwyn Garden City AL8 7ED

    Received 4 Oct 2024
  4. Decided - Refused6/2023/2032/LAWP

    Certificate of lawfulness for a loft conversion with hip to gable extension and rear dormer

    81 Bramble Road Hatfield AL10 9SB

    Received 2 Oct 2023
  5. Decided - Granted6/2018/2207/HOUSE

    Erection of single storey front and first floor rear extensions including installation of side window

    78 Crawford Road Hatfield AL10 0PE

    Received 24 Aug 2018
  6. Decided - GrantedW6/2004/1014/EM

    ERECTION OF FRONT PORCH

    45 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 6 Jul 2004
  7. Decided - Granted6/2021/0953/HOUSE

    Erection of two storey front extension, garage conversion, new replacement roof to rear and alterations to fenestration and openings

    11 Carleton Rise Welwyn AL6 9RP

    Received 24 Mar 2021
  8. Decided - Granted6/2019/3124/FULL

    Change of use to Unit G for B1b (Research and Development of Products and Processes), B1c (Light Industry), B2 (General Industry), and B8 (Storage and Distribution) uses, with ancillary B1(a) office floorspace; and external alterations, reconfiguration of service yard and the provision of cycle parking spaces

    6 City Park Swiftfields Welwyn Garden City AL7 1LY

    Received 11 Dec 2019
  9. Decided - Granted6/2024/1820/HOUSE

    Erection of a ground floor rear extension and roof alterations including raising of ridge and insertion of rear dormers

    15 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 23 Sept 2024
  10. Decided - Granted6/2022/1706/LB

    Erection of single storey rear extension and garage

    The Old Vicarage Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 19 Jul 2022
  11. Decided - Split6/2017/0854/COND

    Submission of details pursuant to condition 2 (materials samples), 3 (drawings of the rear and the courtyard elevations), 4 (Plans of bathroom and utility room) and 5 (external window and door) on Listed Building consent 6/2016/1649/LB, dated 31/10/2016

    8 Mill Lane Welwyn AL6 9ET

    Received 24 Apr 2017
  12. Decided - GrantedW6/2006/0071/EM

    INSTALLATION OF LANDING WINDOW AND ROOFLIGHT TO LOFT AND ROOFLIGHT TO EXISTING REAR EXTENSION

    58 The Commons, Welwyn Garden City, AL7 4RS

    Received 18 Jan 2006
  13. Decided - GrantedW6/2013/1206/EM

    Erection of two first floor rear extensions

    24 High Oaks Road, WELWYN GARDEN CITY, AL8 7BH

    Received 10 Jun 2013
  14. Decided - Granted6/2020/2158/TPO

    Beech tree to be reduced by 25%

    13 Mardley Wood Welwyn AL6 0UY

    Received 25 Aug 2020
  15. Decided - Granted6/2021/3160/EMH

    Erection of a single storey rear extension, to include insertion of 1 x roof lantern.

    27 Furzefield Road Welwyn Garden City AL7 3RL

    Received 4 Nov 2021
  16. Decided - Granted6/2021/3363/EM

    Erection of a part two storey, part single storey rear extension to include insertion of 1 x rear dormer, involving demolition of existing rear conservatory

    24 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 29 Nov 2021
  17. Decided - RefusedS6/2013/0965/FP

    Erection of single storey extension to include two dormer windows

    Flat 3 Ponsbourne Manor, 73 Newgate Street Village, HERTFORD, SG13 8QR

    Received 2 May 2013
  18. Decided - Granted6/2022/0269/HOUSE

    Erection of two storey side extension and single storey rear extension

    23 Marley Road Welwyn Garden City AL7 4BT

    Received 7 Feb 2022
  19. Decided - GrantedN6/2013/0624/FP

    Erection of single storey front and side extensions

    3 Spindleberry Close Oaklands Welwyn AL6 0SJ

    Received 19 Mar 2013
  20. Decided - Granted6/2024/0249/EM

    Erection of a single storey rear extension to replace existing conservatory and changes to the ground floor side and rear fenestration

    66 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 6 Feb 2024
  21. Decided - Granted6/2020/0199/VAR

    Variation of condition 3 (plans) on planning application 6/2019/1706/MAJ

    Land to the Rear of Pear Building Kestrel Way Welwyn Garden City AL7 1GA

    Received 27 Jan 2020
  22. Decided - Granted6/2024/0374/HOUSE

    Erection of single storey rear extension following the demolition of existing single storey rear extension

    6 Parkway Gardens Welwyn Garden City AL8 6JW

    Received 27 Feb 2024
  23. Decided - Granted6/2022/1593/FULL

    Demolition of existing dwelling and construction of a two storey 3 bedroom dwelling

    16 Bell Lane Brookmans Park Hatfield AL9 7AY

    Received 6 Jul 2022
  24. Appeal Decided - Dismissed6/2016/1603/EM

    Retention of existing drive

    19 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 5 Aug 2016

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

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    Planning application documents: what to read first

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    Planning permission drawings: how to read plans

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  • 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.

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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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