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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
39,439Searchable applications
344Recorded as pending
86%Approval rate · 32,995 approved or refused records
4,716Refused applications

28,279 approved · 4,716 refused · 2,161 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - DismissedS6/2005/1299/FP

    CHANGE OF USE OF RESIDENTIAL CAR SPACE FOR COMMERCIAL USES

    16 Oaklands Wood Hatfield AL10 8LU

    Received 14 Oct 2005
  2. Decided - GrantedN6/2013/0071/FP

    Erection of single storey rear and three storey side extensions

    7 Honeymead Welwyn AL6 0EG

    Received 15 Jan 2013
  3. Decided - GrantedW6/2015/0314/TE

    Reduce front boundary hedge to 1.8m in height and removal of upto 33% overall

    46 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 16 Feb 2015
  4. Decided - Granted6/2018/0387/EM

    Erection of first floor extension including raising of roof level and conversion of loft, erection of single storey rear extension and alterations to openings and refurbishment. Relocation of existing garage and enlargement of existing hard standing.

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 5 Feb 2018
  5. Decided - Granted6/2019/2991/COND

    Submission of details pursuant to condition 3 (external joinery) on listed building consent 6/2015/0188/LB

    2 Tolmers Park Carbone Hill Northaw Hertford SG13 8RG

    Received 27 Nov 2019
  6. Decided6/2019/2547/TC

    Fell 1x Sycamore tree

    11 Valley Road Welwyn Garden City AL8 7DG

    Received 10 Oct 2019
  7. Decided - Granted6/2026/1121/HOUSE

    Garage conversion to habitable area, front extension within existing garage roof overhang, installation of rooflights and alterations to fenestration

    45 New Road Digswell Welwyn AL6 0AQ

    Received 29 Jun 2026
  8. DecidedN6/2009/0977/TC

    TO REMOVE THE CHERRY TREE FROM THE FRONT OF THE PROPERTY

    33 APPLECROFT ROAD, WELWYN GARDEN CITY, HERTS, AL8 6JZ

    Received 19 May 2009
  9. Decided - Granted6/2025/2313/HOUSE

    Erection of a single storey rear extension and alterations to fenestration

    26 Holloways Lane Welham Green Hatfield AL9 7NP

    Received 3 Nov 2025
  10. Decided - Withdrawn6/2021/2282/EMT

    1 x Sweet Chestnut to reduce by 30% crown volume (approx 4m height & 2.5m width). Lift to 6m above ground level. Large low limb on right hand side to remain. Lift secondary branches only.

    340 Knightsfield Welwyn Garden City AL8 7NQ

    Received 29 Jul 2021
  11. Decided - Granted6/2019/0865/VAR

    Variation of condition 4 (Drawing Numbers) on planning permission 6/2018/3236/FULL

    1 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 10 Apr 2019
  12. Decided - GrantedS6/2007/1187/MA

    PROPOSED EXTENSION TO ACCOMMODATE HOME DELIVERY SERVICE

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 6 Aug 2007
  13. Decided - GrantedW6/2005/1551/EM

    FORMATION OF VEHICLE HARDSTANDING

    56 Lemsford Lane, Welwyn Garden City, AL8 6YJ

    Received 15 Dec 2005
  14. Decided - WithdrawnN6/2007/0727/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED CHANGE OF USE TO B8 (STORAGE AND DISTRIBUTION)

    UNIT B WATCHMEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1LT

    Received 10 May 2007
  15. Decided - GrantedS6/2008/0199/TP

    FELLING OF 6 SCOTS PINE TREES (T5, T11, T15, T20, T25, T26) AND REMOVAL OF STUMP (T27) ALL COVERED BY TPO 93

    49 OSBORNE ROAD, LITTLE HEATH, POTTERS BAR, HERTFORDSHIRE, EN6 1SB

    Received 30 Jan 2008
  16. Decided - Granted6/2025/1926/EMT

    Oak to fell.

    4 Densley Close Welwyn Garden City AL8 7JX

    Received 8 Sept 2025
  17. Decided - Granted6/2023/2190/HOUSE

    Erection of a single storey side infill extension and installation of one side rooflight following demolition of existing conservatory

    3 Holloways Lane Welham Green Hatfield AL9 7NR

    Received 26 Oct 2023
  18. Decided - WithdrawnS6/2015/0334/FP

    Change of Use from a C3 (Dwelling) to a C4 (Houses in multiple occupation)

    9 Cooks Way Hatfield AL10 8XT

    Received 18 Feb 2015
  19. Decided - GrantedS6/2007/0388/FP

    PART CHANGE OF USE FROM GROUND FLOOR OF RESIDENTIAL PROPERTY TO PROVIDE OSTEOPATH AND ACUPUNTURE CLINIC.

    6 Ground Lane Hatfield AL10 0HH

    Received 8 Mar 2007
  20. Decided - Granted6/2020/1995/FULL

    Underground pedestrian footway link between Warrenwood Manor dwellinghouse and equestrian building.

    Warrenwood Manor Hornbeam Lane Brookmans Park Hatfield AL9 6JF

    Received 11 Aug 2020
  21. Decided - RefusedW6/2008/2495/EM

    DEMOLITION OF EXISTING EXTENSION AND ERECTION OF TWO STOREY SIDE AND REAR EXTENSION AND SINGLE STOREY REAR EXTENSION, REMOVAL AND REPLACEMENT OF CHIMNEY, LOFT CONVERSION, INSTALLATION OF SOLAR PANELS AND REDUCTION OF HARDSURFACING TO PROVIDE CAR PARKING FOR 3 VEHICLES

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

    Received 29 Dec 2008
  22. Decided - GrantedW6/2005/1565/EM

    ERECTION OF TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING SIDE EXTENSION

    15 Pentley Park, Welwyn Garden City, AL8 7RT

    Received 19 Dec 2005
  23. Decided - Granted6/2019/0433/LAWP

    Certificate of lawfulness for hip to gable loft conversion, erection of rear dormer and installation of front roof light

    38 Selwyn Crescent Hatfield AL10 9NN

    Received 26 Feb 2019
  24. Decided - Granted6/2016/0891/LAWP

    Certificate of lawfulness for the proposed conversion of loft and installation of dormer and 2no rooflights

    35 Oaklands Wood, Hatfield, AL10 8LU

    Received 9 May 2016

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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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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