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
35,186Searchable applications
313Recorded as pending
87%Approval rate · 29,311 approved or refused records
3,929Refused applications

25,382 approved · 3,929 refused · 1,831 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0645/LAWP

    Certificate of lawfulness for the erection of a fence

    144 Vincenzo Close Welham Green Hatfield AL9 7NJ

    Received 2 Mar 2020
  2. Decided - Refused6/2020/2123/PN8

    Prior Approval for single storey rear extension measuring 6m in depth, 3.4m in height and 2.7m to the eaves

    86 Salisbury Road Welwyn Garden City AL7 3SB

    Received 18 Aug 2020
  3. Decided - Granted6/2023/1091/TPO

    2x Silver Birches - remove the dead trees and offshoot as they are threat to the property and road users. Another species will be planted to replace the dead trees.

    33 Mardley Wood Welwyn AL6 0UY

    Received 23 May 2023
  4. Decided - Granted6/2016/2684/HOUSE

    Single storey rear extension, garage conversion, first floor extension above the garage and construction of new crown roof with dormer windows comprising habitable space

    91 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 19 Dec 2016
  5. Decided - Granted6/2025/2589/TPO

    T5 Lime to fell due to structural decay at historic pruning point on main stem T6 Horse Chestnut to reduce limbs overhanging adjacent carpark by 1-2m T7 Horse Chestnut to reduce limbs overhanging adjacent carpark by 1.5m T18 Horse Chestnut to fell due to structural decay at historic pruning points on main stem T39 Small-leaved Lime to remove deadwood T42 Sycamore to remove deadwood T43 Horse Chestnut to remove deadwood T51 Scots Pine to fell as dead T56 Hornbeam to reduce overhanging limbs to adjacent property by 1.5-2m T57 Small-leaved Lime to repollard back to previous pollard point, removing 4-5m of regrowth T60 Sycamore to reduce overhanging limbs to adjacent property by 1-1.5m T62 Sycamore to remove lowest lateral branch from ground level T63 Small-leaved Lime to reduce overhanging limbs to adjacent property by 2-2.5m T66 Lime to remove smaller dead limb and epicormic growth T67 Sycamore reduce overhanging limbs over adjacent property by 2-2.5m back to previous reduction points T69 Small-leaved Lime to reduce crown back to previous reduction points T74 Scots Pine to remove deadwood T79 Ornamental to reduce to 2m due to poor form W1 Mixed species to remove bamboo and remove and or reduce the laurel 817 (2018) A1

    42 New Road Digswell Welwyn AL6 0AH

    Received 17 Dec 2025
  6. Decided - WithdrawnS6/2014/0104/AG

    Agricultural building

    Woodlands, Coopers Lane Road, Northaw, Potters Bar, EN6 4DJ

    Received 17 Jan 2014
  7. Decided - Granted6/2020/2754/TPO

    Reduce Oak Tree [T1] by 35%

    79 Mymms Drive Hatfield AL9 7AA

    Received 22 Oct 2020
  8. Decided - GrantedS6/2014/1559/FP

    Erection of first floor extension, and single storey front and rear extensions, works to include new roof

    27 Tolmers Road, Cuffley, Potters Bar, EN6 4JF

    Received 10 Jul 2014
  9. Decided - Granted6/2022/1864/EMT

    T1 Oak to reduce the two lowest limbs building side by 5 to 6 metres back to suitable growth points to give clearance from glass roof and building. Crown reduction on the rest of the crown back to previous reduction points by removing up to 2.5 metres growth pruning back to suitable growth points to leave a balanced crown.

    9 Brockett Close Welwyn Garden City AL8 7BN

    Received 9 Aug 2022
  10. Decided - Granted6/2020/0596/HOUSE

    Hip to gable roof extension, insertion of front and rear dormer windows and alteration to existing rear dormer window. Erection of a single storey infilling side extension. Increase in height of front projection

    20 Georges Wood Road Hatfield AL9 7BT

    Received 28 Feb 2020
  11. Decided - Granted6/2022/0561/EM

    Erection of a 6m x 2.5m office/shed in the garden

    395 Knightsfield Welwyn Garden City AL8 7LY

    Received 9 Mar 2022
  12. Decided - Granted6/2023/1259/FULL

    Replace existing roof, lantern and roof lights with new shallow pitch roof with roof lights

    Panshanger Church Hardings Welwyn Garden City Herts AL7 2EJ

    Received 15 Jun 2023
  13. Decided - Granted6/2021/2616/FULL

    Demolition of existing dwelling and garage, and erection of a three storey, 6-bed detached dwelling.

    7 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 8 Sept 2021
  14. Decided - Granted6/2024/2027/EM

    Erection of a single storey side and rear extension with insertion of rooflights, solar panels to south facing roof of existing house and new white garage door and side gate

    97 Pentley Park Welwyn Garden City AL8 7SL

    Received 21 Oct 2024
  15. Decided - Granted6/2022/0580/EM

    Installation of brown u-PVC air vent on south side of property, around 6 inches in height and 6 inches in width.

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 11 Mar 2022
  16. Decided - Granted6/2021/3267/HOUSE

    Erection of a single storey rear extension, a two storey front/rear/side extension, extension to roof and insertion of 1 x rear dormer

    379 St Albans Road West Hatfield AL10 9RU

    Received 17 Nov 2021
  17. Decided - Granted6/2017/2327/HOUSE

    Erection of single storey rear extension and rear patio

    20 Bluebell Way Hatfield AL10 9FJ

    Received 11 Oct 2017
  18. Decided - Granted6/2019/1789/HOUSE

    Erection of two storey front extension, pitched roof extension to flat roofs to the front and rear and conversion of roof to habitable space with installation of a rear dormer window and single storey rear extension

    53 Great North Road Brookmans Park Hatfield AL9 6LA

    Received 22 Jul 2019
  19. Decided - Granted6/2015/1963/HOUSE

    Erection of single storey side extension

    15 Cob Lane Close Digswell Welwyn AL6 0DD

    Received 21 Sept 2015
  20. Decided - GrantedN6/2014/1307/FP

    Erection of 2 first floor side extensions

    7 Densley Close, Welwyn Garden City, AL8 7JX

    Received 10 Jun 2014
  21. Decided - Withdrawn6/2020/2834/HOUSE

    Erection of 2 x pitch roof side dormers to the north elevation, roof-light to the south elevation and window to west elevation

    Meadow View Wyndham Cottage Camfield Place Kentish Lane Hatfield AL9 6JE

    Received 29 Oct 2020
  22. Decided - GrantedN6/2014/0392/FP

    Erection of single storey rear extension

    48 Marsden Green, Welwyn Garden City, AL8 6YB

    Received 24 Feb 2014
  23. Decided - Granted6/2023/1440/TPO

    Reduce T1 and T2 lombardy poplars in height by 1/4 to reduce sail factor. Trees covered by TPO 904 G2

    15-20 Woodfield Road Welwyn Garden City AL7 1JQ

    Received 11 Jul 2023
  24. Decided - GrantedS6/2013/1919/FP

    Erection of single storey side extension and installation of new shopfront

    Tesco Express 59 Station Road Cuffley Potters Bar EN6 4HX

    Received 2 Sept 2013

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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Guides to planning records

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    Planning application documents: what to read first

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  • 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

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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.

Check collection coverage