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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
36,516Searchable applications
333Recorded as pending
86%Approval rate · 30,418 approved or refused records
4,167Refused applications

26,251 approved · 4,167 refused · 1,955 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - GrantedS6/2009/1056/TP

    TREE A ASH FELL TO GROUND LEVEL TREE B OAK CLEAN & BALANCE TREE C,D & E TO CROWN REDUCE BY 20%

    63a PEPLINS WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 7UR

    Received 18 May 2009
  2. Decided - GrantedS6/2015/1313/FP

    Erection of two storey side extension, loft conversion and conversion of existing dwelling into 3no flats

    22 Oaklands Wood Hatfield AL10 8LU

    Received 18 Jun 2015
  3. Decided - Granted6/2019/1916/EM

    Erection of shed

    46 Elmwood Welwyn Garden City AL8 6LE

    Received 5 Aug 2019
  4. Decided - WithdrawnN6/2007/1370/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

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

    Received 17 Sept 2007
  5. Decided - Granted6/2017/0404/PN8

    Prior Approval for a single storey rear extension measuring 6 m in depth 3.4m in height and 3m to the eaves

    89 Heathcote Avenue Hatfield AL10 0RL

    Received 1 Mar 2017
  6. Decided - Granted6/2020/1391/COND

    Submission of details pursuant to condition 1 (sound insulation scheme) on planning permission 6/2019/2348/PN1

    Potterells Farm, Station Road, Welham Green, Hatfield, AL9 7PG

    Received 17 Jun 2020
  7. Decided - GrantedW6/2012/2582/TE

    Removal of dead Beech tree

    4 Youngs Rise, WELWYN GARDEN CITY, AL8 6RU

    Received 5 Dec 2012
  8. Decided - Withdrawn6/2021/2793/EM

    Conversion of existing attached shed to habitable space and conversion of detached garage block into habitable use.

    143 Hollybush Lane Welwyn Garden City AL7 4JT

    Received 28 Sept 2021
  9. Decided - Refused6/2024/0630/PN8

    Prior approval for the erection of a single storey rear extension with hipped roof measuring 4m in depth, 3.6m in height and 2.5m to the eaves

    4 Warren Close Hatfield AL10 0AL

    Received 3 Apr 2024
  10. Decided - GrantedS6/2012/2350/DS

    Discharge of condition 2 (vehicular access) of planning permission S6/2012/1635/FP

    The Twelve Apostles Church, Kentish Lane, BROOKMANS PARK, AL9 6NG

    Received 12 Nov 2012
  11. Decided - GrantedN6/2013/1230/FP

    Erection of first floor side extension

    4 Aspen Way, Welwyn Garden City, AL7 1HR

    Received 10 Jun 2013
  12. Decided - Granted6/2025/1572/EMT

    Purple plum in front of log cabin - crown reduction. Cornus tree on northwestern boundary of rear garden - crown reduction. Dead acer tree - remove.

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 21 Jul 2025
  13. Decided - Granted6/2021/2395/EMT

    Fell 1 x Sycamore tree (TH)

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 13 Aug 2021
  14. Decided - Granted6/2019/0298/FULL

    Erection of part single, part two storey side extension to facilitate sub-division of single dwelling into two dwellings following demolition of existing shed, decking and storage area and new access onto Sandpit Road

    2 Sandpit Road Welwyn Garden City AL7 3TN

    Received 8 Feb 2019
  15. Decided - GrantedN6/2014/0248/DT

    Prior approval to replace existing 15 metre monopole mast (with luminaire at 8 metre) with new 15 metre monopole mast (with luminaire at 8 metre) along with installation of 3 new equipment cabinets and ancillary development

    Land at, Bessemer Road, Welwyn Garden City, AL8 7HA

    Received 31 Jan 2014
  16. Decided - GrantedS6/2013/1081/FP

    Change of use of garage to a habitable room

    15 De Havilland Close Hatfield AL10 0DS

    Received 30 May 2013
  17. Decided - Granted6/2016/2399/HOUSE

    Erection of single storey rear extension, roof dormer, new porch and velux roof window

    8A Rosecroft Lane Welwyn AL6 0UB

    Received 10 Nov 2016
  18. Decided - Granted6/2022/2655/VAR

    Variation of condition 4 (approved plans) of planning permission 6/2022/1795/HOUSE

    133 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 22 Nov 2022
  19. Decided - GrantedN6/2014/0567/TC

    Reduce Sycamore by 30%

    10 Attimore Road, Welwyn Garden City, AL8 6LW

    Received 6 Mar 2014
  20. Decided - Split6/2019/2568/COND

    Submission of details pursuant to condition 4 (Site Characterisation, Submission and Implementation of Remediation Scheme, Unexpected Contamination and Monitoring and Maintenance) on planning permission 6/2015/1983/FULL

    2 New Road Welwyn Garden City AL8 7TX

    Received 14 Oct 2019
  21. Decided - Granted6/2017/2684/COND

    Submission of details pursuant to condition 1 (material samples) on planning permission 6/2017/0269/HOUSE.

    25 Fordwich Road Welwyn Garden City AL8 6EX

    Received 10 Nov 2017
  22. Decided - Granted6/2015/2200/LB

    Erection of a single storey rear extension

    The Old Cottage Green Lanes Hatfield AL10 9BH

    Received 28 Oct 2015
  23. Decided - Refused6/2016/1981/HOUSE

    Erection of double storey side and rear extension and front porch following demolition of existing out building

    34 Glebe Cottages, Essendon, Hatfield, AL9 6HH

    Received 26 Sept 2016
  24. Decided - Granted6/2025/0545/EMT

    T1 oak remove epicormic growth from stem. T2 & T3 holly to fell. G1 beech to fell 4 stems.

    15 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 21 Mar 2025

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 approval rates: how to read council statistics

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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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