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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
40,120Searchable applications
300Recorded as pending
86%Approval rate · 33,652 approved or refused records
4,801Refused applications

28,851 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2932/HOUSE

    Erection of two storey side extension, single storey rear extension and loft conversion comprising rear dormer following demolition of existing rear conservatory and side car port

    81 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 19 Dec 2017
  2. Decided - Granted6/2026/1555/COND

    Submission of details pursuant to condition number 5 (energy statement) on planning permission 6/2025/2133/FULL

    58 Bell Lane Brookmans Park AL9 7AY

    Received 7 Sept 2026
  3. Decided - Granted6/2017/0478/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    10 Bullrush Close Hatfield AL10 8PE

    Received 10 Mar 2017
  4. Decided - Granted6/2020/0898/HOUSE

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

    11 Harwood Hill Welwyn Garden City AL8 7AA

    Received 20 Apr 2020
  5. Decided - GrantedN6/2015/1068/TP

    Crown lift one oak to 6-8m above ground level plus crown reduce: North side of crown – 7.7m to 5.7m, South side of crown 8.1m to 6.1m, East side crown – 7.8m to 5.8m and west side of crown 6.2m to 4.2m. Crown lift second oak to 3-5m and crown thin by 30%. Crown lift hornbeam to 3-5m and crown thin by 30%. Crown reduce Scots pine; North side of crown 4m to 3m, south side 3.8m-2.8m, east side 3.3m-2.3m and west side of crown 3.9m-2.8m. Trees covered by TPO24

    2 The Drive Welwyn AL6 0TR

    Received 21 May 2015
  6. Decided - Granted6/2021/0571/EM

    Removal of existing garden shed and erection of new garden shed in different location in the garden

    10 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 22 Feb 2021
  7. Decided - GrantedW6/2014/2497/EM

    Erection of single storey side and rear extension

    52 Lemsford Lane, Welwyn Garden City, AL8 6YJ

    Received 13 Nov 2014
  8. Decided - GrantedW6/2015/0476/EM

    Erection of two storey side extension and single storey rear extension

    5 Dognell Green, Welwyn Garden City, AL8 7BL

    Received 5 Mar 2015
  9. Decided - Granted6/2024/0726/COND

    Submission of details pursuant to condition 4 and 27 (Tree Protection), on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 18 Apr 2024
  10. Decided - GrantedS6/2009/1901/DS

    DISCHARGE OF CONDITION 4 (CAR PARKING) OF PLANNING PERMISSION S6/2009/0376/FP

    HOWE DELL SCHOOL, OLD RECTORY DRIVE, HATFIELD, HERTFORDSHIRE, AL10 8AD

    Received 8 Sept 2009
  11. Decided - Granted6/2015/2333/FULL

    Erection of 5 new dwellings and shop (Use Class A5) with new access following demolition of shed and two garages

    Land behind and adjacent to 17 - 17A Station Road, Cuffley, Potters Bar, EN6 4HX

    Received 18 Nov 2015
  12. Decided - Refused6/2019/0411/EM

    Erection of single storey side and rear extension and outbuilding with alterations to openings, installation of a solar water heater and removal of existing hedgerow

    180 Heronswood Road Welwyn Garden City AL7 3EU

    Received 22 Feb 2019
  13. Decided - Granted6/2015/2355/TPO

    Crown reduce Three Beech trees by 33%, covered by TPO 90.

    Land adjacent to 11 Windsor Close Welwyn AL6 9JZ

    Received 20 Nov 2015
  14. Decided - RefusedW6/2008/0870/EM

    ERECTION OF REAR CONSERVATORY

    13 BROADFIELD PLACE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LJ

    Received 3 Jun 2008
  15. Decided - Refused6/2020/1004/EM

    Part single, part two storey rear extension and a single storey side extension, partial conversion of existing garage and alterations to fenestration. Work to also include reduction in height of existing chimney, removal of existing chimney sub-stack to rear of property, erection of garden shed and extension of existing driveway.

    20 Beehive Green Welwyn Garden City AL7 4BG

    Received 1 May 2020
  16. Decided - Granted6/2023/2040/TPO

    7x Oak Tress - general maintenance required T6 - T4 - to be felled to ground level, to allow large oak trees to grow T1 - T2 - T3 - T5 - T7 2-3m crown reductions Remove any large deadwood. Crown thin 20% Covered by TPO 158/889

    55 Peplins Way Brookmans Park AL9 7UR

    Received 4 Oct 2023
  17. Decided - GrantedS6/2014/1702/FP

    Erection of single storey rear extension following demolition of existing extension following relocation of front door to side of property and steps to provide access

    9 Church Lane, Northaw, Potters Bar, EN6 4NX

    Received 28 Jul 2014
  18. Appeal Decided - Dismissed6/2015/2271/EM

    Extended Driveway - removal of flower bed and small wall

    104 Cole Green Lane, Welwyn Garden City, AL7 3JD

    Received 5 Nov 2015
  19. Decided6/2025/0962/TC

    Removal of a Prunus serrulata, which is less than 4.5m (est. around 3.5m tall)

    97 Pentley Park Welwyn Garden City AL8 7SL

    Received 27 May 2025
  20. Decided - RefusedN6/2009/0231/FP

    RETENTION OF TERRACE DECKING

    7 Turpins Ride Welwyn AL6 0QS

    Received 2 Feb 2009
  21. Decided6/2023/1675/TC

    1 x Cherry to reduce lateral branches over garden of No.84 only by around 2.5m

    84 Moorlands Welwyn Garden City AL7 4QG

    Received 10 Aug 2023
  22. Decided - Granted6/2020/2511/HOUSE

    Erection of an external porch

    81 Wellfield Road Hatfield AL10 0BY

    Received 30 Sept 2020
  23. Decided - Granted6/2019/2831/HOUSE

    Erection of rear infill extension with roof light and alterations to openings and installation of 3 roof lights to facilitate loft conversion

    36 Mimram Road Welwyn AL6 9HA

    Received 8 Nov 2019
  24. Decided - Granted6/2017/0812/TPO

    Fell Sycamore tree covered by TPO171 (1992)

    Claregate Thornton Road Little Heath

    Received 20 Apr 2017

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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