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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
40,206Searchable applications
309Recorded as pending
86%Approval rate · 33,718 approved or refused records
4,806Refused applications

28,912 approved · 4,806 refused · 2,210 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2014/1590/LUP

    Certificate of lawfulness for loft conversion

    6 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 14 Jul 2014
  2. Decided - Granted6/2024/0999/EM

    1 x EV Charger to be installed on driveway in front of the property

    18 Creswick Court Welwyn Garden City AL7 3SX

    Received 29 May 2024
  3. Decided - GrantedN6/2015/1361/NM

    Non material amendment following approval of planning permission N6/2014/2737/FP - Full render to property to replace horizontal boarding

    2 Roundwood Close Welwyn AL6 0XB

    Received 25 Jun 2015
  4. Decided - SplitS6/2015/1016/TP

    Reduce three lower branches of Scots Pine tree by upto 1.5m and reduce height of Yew tree to 8m covered by TPO 205

    90 Pine Grove Brookmans Park Hatfield AL9 7BW

    Received 13 May 2015
  5. Decided6/2020/2593/TC

    Reduce 1 x Cherry tree crown by 20-30% equating to 1-1.5m in length of crown covered by conservation area. Fell deadwood and ivy which has grown up some of the limbs

    44 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 7 Oct 2020
  6. Decided - RefusedS6/2007/0479/FP

    ERECTION OF SIDE AND REAR EXTENSIONS.

    27 Mymms Drive Brookmans Park Hatfield AL9 7AE

    Received 21 Mar 2007
  7. Decided - Withdrawn6/2021/1449/VAR

    Variation of condition 12 (soft landscaping) on planning permission 6/2019/1411/MAJ

    Plot 5100 Hatfield Business Park Mosquito Way Hatfield AL10 9WN

    Received 10 May 2021
  8. Decided - GrantedN6/2008/0266/FP

    ALTERATIONS TO EXISTING GARAGE/POOL ROOM TO FORM GROUND FLOOR AND FIRST FLOOR ACCOMMODATION

    THE MANOR HOUSE, THE MANOR HOUSE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BP

    Received 11 Feb 2008
  9. Decided - Granted6/2016/0079/HOUSE

    Erection of outbuilding

    3 Warren Way Digswell Welwyn AL6 0DQ

    Received 19 Jan 2016
  10. Decided - GrantedW6/2015/0576/EM

    Replacement of vehicle hardstanding with block paving slabs

    63 Moorlands, Welwyn Garden City, AL7 4QJ

    Received 18 Mar 2015
  11. Decided - Granted6/2024/2387/EM

    Installation of electric car charging point

    135 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 13 Dec 2024
  12. Decided - GrantedS6/2008/2074/DS

    DISCHARGE OF CONDITIONS 10 (EXTERNAL LIGHTING) 11 (GROUND LEVELS) 13 (DRAINAGE) 14 (RISK ASSESMENT) AND 20 (PARKING SCHEME) OF PLANNING PERMISSIONS S6/2007/1833/MA AND S6/2008/0509/MA

    FORMER ROE GREEN CENTRE, ALDYKES, HATFIELD AL10

    Received 4 Nov 2008
  13. Decided - Granted6/2026/1123/HOUSE

    Erection of part single, part two storey rear extension, single storey infill side extension, loft conversion with rear dormers, alterations to the roof and fenestration and the erection of front boundary wall and gates

    8A East Ridgeway Cuffley Potters Bar EN6 4AP

    Received 29 Jun 2026
  14. Decided - Refused6/2017/1368/FULL

    Change of use of the existing grade 2 listed building from B1 office to 4 no. residential flats (C3) with associated internal and external alterations

    1, 3 and 5 Park Street Hatfield AL9 5AT

    Received 26 Jun 2017
  15. Decided - GrantedW6/2013/0562/EM

    Erection of a lean to conservatory to the rear of the property and installation of a roof light window with a flat roof

    154 Parkway, WELWYN GARDEN CITY, AL8 6HZ

    Received 15 Mar 2013
  16. Decided - Granted6/2016/0690/HOUSE

    Erection of single and two storey rear extensions and alterations

    18 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 15 Apr 2016
  17. Decided - Granted6/2024/0955/COND

    Submission of details pursuant to condition number 1 (Hard and Soft Landscaping), number 2 (Sustainable Design Statement) and number 3 (Cycle Parking Provision) on planning permission 6/2023/2131/FULL

    162 Great North Road Hatfield AL9 5JW

    Received 22 May 2024
  18. Decided - GrantedS6/2008/2257/FP

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND ERECTION OF FRONT PORCH

    51 CALDER AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AH

    Received 21 Nov 2008
  19. Decided - Granted6/2019/3106/HOUSE

    Erection of a two storey side extension and single storey garage following demolition of existing garage

    2 Vicarage Close Northaw Potters Bar EN6 4NY

    Received 9 Dec 2019
  20. Decided - Granted6/2018/2967/HOUSE

    Erection of two storey side and single storey rear extension

    3 Foxley Grove Digswell Welwyn AL6 0DW

    Received 19 Nov 2018
  21. Decided - WithdrawnS6/2005/1530/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    Lower Woodside Farm Westfield Brookmans Park

    Received 12 Dec 2005
  22. Appeal Decided - DismissedW6/2014/2045/EM

    Installation of vehicular hardstanding and crossover

    6 Ingles, Welwyn Garden City, AL8 7HL

    Received 17 Sept 2014
  23. Decided - Granted6/2021/2730/EMT

    Reduction of 2 oak trees by 30%

    9 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 21 Sept 2021
  24. Decided - Granted6/2024/1180/TPO

    Covered by TPO 24 A3 1 x Beech to reduce by approximately 2.5m in height and 1.5m in width. Tree is close to property, also causing large shading afternoon onwards

    5 Mardley Heights Welwyn AL6 0TX

    Received 24 Jun 2024

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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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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