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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - SplitS6/2013/2281/DS

    Discharge of condition 15 (structural design certificate) of appeal decision APP/C1950/A/10/2142040 from planning application S6/2010/0111/OP & condition 2 (samples) of planning permission S6/2013/0323/DE

    Former Mount Pleasant Depot, Mount Pleasant Lane, Hatfield, AL9 5BY

    Received 16 Oct 2013
  2. Decided - GrantedW6/2008/0148/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    108 HOLLYBUSH LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4JW

    Received 24 Jan 2008
  3. Decided - Granted6/2026/0231/COND

    Submission of details pursuant to Condition 1 (Arboricultural Method Statement and Tree Protection Plan) on planning permission 6/2025/0927/HOUSE

    18 Birchwood Close Hatfield AL10 0PP

    Received 9 Feb 2026
  4. Decided - RefusedS6/2008/1074/FP

    ERECTION OF FOUR BEDROOM DETACHED BUNGALOW

    LAND AT, REDHALL LANE, COLNEY HEATH, HERTFORDSHIRE, AL4 0PR

    Received 3 Jul 2008
  5. Decided - GrantedN6/2013/0278/FP

    Erection of first floor side extension

    10 Thumbswood, WELWYN GARDEN CITY, AL7 4QE

    Received 6 Feb 2013
  6. Decided - Granted6/2017/2959/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 2.8m to the eaves erection of single storey rear extension measuring 7.99m in depth, 4m in height and 2.8m to the eaves and erection of a single storey side extension measuring 12m in depth, 4m in height and 2.4m to the eaves

    27 The Spinney The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 20 Dec 2017
  7. Decided - Withdrawn6/2016/0203/HOUSE

    Erection of single storey rear and first floor side extension

    22 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 8 Feb 2016
  8. Decided - Granted6/2026/0504/TPO

    Oak tree to reduce to 12ft (3.6m) monolith/standing stem. Covered by TPO1 (1973) T2

    44 Carleton Rise Welwyn AL6 9RG

    Received 18 Mar 2026
  9. Decided - Granted6/2022/0090/HOUSE

    Erection of rear conservatory

    1 Hillside Welwyn Garden City AL7 4PZ

    Received 14 Jan 2022
  10. Decided - Granted6/2022/1128/HOUSE

    Basement extension to create enlarged residential annexe

    76 Warren Way Digswell Welwyn Hertfordshire AL6 0DN

    Received 16 May 2022
  11. Decided - Granted6/2021/1236/TPO

    Reduce 1 x Oak tree (T1) by 33% and reduce & shape 1 x Oak tree (T2) by 20%

    8 Bracken Lane Welwyn AL6 0RB

    Received 15 Apr 2021
  12. Decided - Granted6/2022/1061/EM

    Erection of single storey detached outbuilding following demolition of existing garages

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 6 May 2022
  13. Decided - Refused6/2019/3071/PN8

    Prior approval for single storey rear extension measuring at 5m in depth, 3.5m in height and 3m to the eaves

    9 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 4 Dec 2019
  14. Decided - Granted6/2018/1608/EM

    Reduce 2 x Conifer trees in height of 4m from branch tips & reduction in lateral branches by up to 2m

    16 The Pastures Welwyn Garden City AL7 4PX

    Received 18 Jun 2018
  15. Decided - Granted6/2020/2865/PN8

    Prior Approval for the erection of a single storey rear extension measuring 6m in depth, 3.83m in height, 2.94m to the eaves, with pitched roof, gable end and skylights.

    49 Homestead Road Hatfield AL10 0QN

    Received 30 Oct 2020
  16. Decided - Granted6/2024/1651/EM

    Retrospective consent for erection of a summer house in back garden

    337 Howlands Welwyn Garden City AL7 4HN

    Received 29 Aug 2024
  17. Decided - Granted6/2018/0652/EM

    Increase hard standing and variety of planting following removal of hedgerow - retrospective

    37 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 8 Mar 2018
  18. Decided - Granted6/2018/0078/HOUSE

    Erection of single storey rear extension and demolition of shed

    185 Knella Road Welwyn Garden City AL7 3NT

    Received 10 Jan 2018
  19. Decided - Granted6/2021/0776/HOUSE

    Erection of a two storey rear extension, flanking existing single level extension, relocation of existing entrance door to new front porch, a new internal layout and addition on windows

    52 Crawford Road Hatfield AL10 0PE

    Received 10 Mar 2021
  20. Decided - Granted6/2023/2183/HOUSE

    Erection of a single storey front porch extension, single storey side and rear extension, part two-storey rear extension and alteration to openings to first floor side elevation

    30 Hawbush Rise Welwyn AL6 9PP

    Received 25 Oct 2023
  21. Decided - GrantedN6/2007/0642/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    95 Attimore Road Welwyn Garden City AL8 6LG

    Received 24 Apr 2007
  22. Decided - GrantedS6/2013/1563/FP

    Erection of shisha smoking shelter

    Everest Spice Lounge 12 Harpsfield Broadway Hatfield AL10 9TF

    Received 17 Jul 2013
  23. Appeal Decided - AllowedS6/2013/1192/FP

    Erection of single storey conservatory

    26 Carbone Hill, Northaw, Potters Bar, EN6 4PN

    Received 7 Jun 2013
  24. Decided - RefusedS6/2009/1446/LU

    CERTIFICATE OF LAWFULNESS FOR AN EXISITING GARAGE ANCILLARY TO MAIN DWELLING HOUSE

    BLACKTHORN, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AX

    Received 9 Jul 2009

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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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