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
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1133/FULL

    Minor internal alterations and the formation of a new door opening to the external wall

    The Red Lion 88 Great North Road Hatfield AL9 5EU

    Received 30 May 2023
  2. Decided - WithdrawnS6/2004/0227/FP

    ERECTION OF A SINGLE STOREY FRONT EXTENSION

    Greyslates Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 12 Feb 2004
  3. Decided - Refused6/2018/0532/COND

    Submission of details pursuant to condition 2 (details of glazing scheme and ventilation systems) and 3 (sound insulation scheme) on planning permission 6/2017/2896/FULL, dated 07/02/2018

    8 Howardsgate Welwyn Garden City AL8 6BQ

    Received 22 Feb 2018
  4. Decided - Granted6/2026/0936/EM

    Remove section of hedge by the driveway

    4 Turmore Dale Welwyn Garden City AL8 6HS

    Received 28 May 2026
  5. Decided - RefusedS6/2009/2770/FP

    INSTALLATION OF FRONT ENTRANCE GATES, BRICK PIERS AND METAL FENCE PANELS

    58 BLUEBRIDGE ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7SA

    Received 22 Dec 2009
  6. Decided - Granted6/2023/1298/EM

    Formation of harstanding within front garden

    116 Mount Way, Welwyn Garden City, AL7 4JX

    Received 21 Jun 2023
  7. Decided - Refused6/2016/1580/EM

    Erection of two storey and single storey rear extensions, part garage conversion, raising of roof and loft conversion including two rear dormers

    25 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 2 Aug 2016
  8. Decided - Granted6/2017/2795/HOUSE

    Erection of two single storey front extensions

    8 Chedburgh Welwyn Garden City AL7 2PU

    Received 29 Nov 2017
  9. Decided - GrantedN6/2013/0748/FP

    Removal of existing canopy at first floor and replaced with brickwork

    Unit 1 Sterling Court, Mundells, WELWYN GARDEN CITY, AL7 1FT

    Received 8 Apr 2013
  10. Decided6/2023/2218/TC

    T1- Purple Plum tree - remove the dead/dying tree T2- Copper Spruce - shape and reduce height by 1-2m T3- 1 Purple Plum and 1 Hazel trees - thin back and reduce height by approximately 2m to prevent squirrels reaching the roof and currently interfering with the telegraph pole cabling T4- Mixed trees (3)- reduce height by 2m to prevent squirrel access to roof

    27 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 1 Nov 2023
  11. Decided - GrantedN6/2007/1358/TP

    WORKS TO TREES COVERED BY TPO 133 W1

    LAND at PERRYWOOD, WALDEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PZ

    Received 12 Sept 2007
  12. Decided - GrantedS6/2004/0456/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION AND CONVERSION OF EXISTING GARAGE INTO RESIDENTIAL USE

    15 Skimpans Close Welham Green Hatfield AL9 7PA

    Received 23 Mar 2004
  13. Decided - GrantedS6/2008/1130/LB

    REBUILD 5 METRE SECTION OF DAMAGED GARDEN WALL.

    9 NORTHAW PLACE, COOPERS ROW, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NQ

    Received 8 Jul 2008
  14. Decided - GrantedS6/2014/1201/TP

    Works to tree (T1) Scots Pine - Lift overhanging and deadwood, (T2) Scots Pine - deadwood only covered by TPO 433 and (T6 & 7) Scots Pine - deadwood only covered by TPO 170

    59 Pine Grove, Brookmans Park, Hatfield, AL9 7BL

    Received 29 May 2014
  15. Decided - GrantedS6/2007/0703/MA

    DEMOLITION OF EXISTING DWELLING AND PROPOSAL TO ERECT 10 NEW FLATS IN 2 BLOCKS OF 5.

    39 LEMSFORD ROAD, HATFIELD, HERTFORDSHIRE, AL100DL

    Received 8 May 2007
  16. Decided - RefusedS6/2013/1760/FP

    Erection of single storey garage/storeroom

    Alfriston, 15 The Gardens, Brookmans Park, Hatfield, AL9 7UL

    Received 15 Aug 2013
  17. Decided - Granted6/2018/1044/LAWP

    Certificate of lawfulness for the erection of single lighting column

    Great Dell Welwyn Garden City AL8 7HP

    Received 23 Apr 2018
  18. Decided - GrantedN6/2008/0028/FP

    ERECTION OF REAR CONSERVATORY

    9 THE OLD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TB

    Received 8 Jan 2008
  19. Decided - Granted6/2018/2927/HOUSE

    Erection of single storey rear extension

    6 Whetstone Close Welwyn AL6 0QW

    Received 14 Nov 2018
  20. Decided - Granted6/2018/0456/HOUSE

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

    8 North Ride Welwyn AL6 9RD

    Received 14 Feb 2018
  21. Decided - Granted6/2025/1769/EM

    Garage conversion including raising of roof with alterations to openings

    40 Attimore Road Welwyn Garden City AL8 6LP

    Received 19 Aug 2025
  22. Decided - Granted6/2024/0368/EM

    Installation of a wooden summer house in the rear garden for recreational summer use

    51 Handside Lane Welwyn Garden City AL8 6SH

    Received 26 Feb 2024
  23. Decided - Withdrawn6/2018/1464/FULL

    Erection of a replacement staircase at the northern end of passenger footbridge

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 1 Jun 2018
  24. Decided - Granted6/2019/0697/HOUSE

    Erection of a single storey extension to rear and installation of a roof lantern

    61 Sweet Briar Welwyn Garden City AL7 3DU

    Received 22 Mar 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

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How to search planning applications

Guides to planning records

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    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