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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
21,304Searchable applications
298Recorded as pending
86%Approval rate · 17,215 approved or refused records
2,435Refused applications

14,780 approved · 2,435 refused · 1,088 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2026/1329/TC

    Fell 3 x oaks (T1, T3, T4). Fell hormbeam (TG2).

    40 Digswell Road Welwyn Garden City AL8 7PA

    Received 29 Jul 2026
  2. Decided - Granted6/2018/2310/EM

    Enlargement of existing hardstanding

    6 Moorend Welwyn Garden City AL7 4QL

    Received 10 Sept 2018
  3. Decided - Granted6/2017/2893/EM

    Conversion of Garage to include replacement of existing garage roof.

    124 Lemsford Lane Welwyn Garden City AL8 6YP

    Received 11 Dec 2017
  4. Decided - Granted6/2021/0110/HOUSE

    Erection of a part single storey front, side and rear extension to dwellinghouse

    383 St Albans Road West Hatfield AL10 9RU

    Received 14 Jan 2021
  5. Decided - Granted6/2019/1242/TPO

    remove deadwood in oak (T1 TPO 985 2019)

    The Beehive Beehive Lane Welwyn Garden City AL7 4BW

    Received 13 May 2019
  6. Decided - Granted6/2018/1097/EM

    Erection of a rear outbuilding for use as a study and home office

    4 Stacklands Welwyn Garden City AL8 6XW

    Received 26 Apr 2018
  7. Decided - Granted6/2018/0215/FULL

    Erection of 2x three storey semi-detached houses following demolition of existing detached bungalow.

    73 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 23 Jan 2018
  8. Decided - Granted6/2021/0421/HOUSE

    Erection of a single storey rear extension and internal alterations

    20 Queens Avenue Welwyn Garden City AL7 4BZ

    Received 10 Feb 2021
  9. Under Consideration6/2026/0978/VAR

    Removal of condition 14 (earthworks) and variation of condition 19 (fire hydrants) on planning permission 6/2023/1802/MAJ

    Land East of A6129 Stanborough Hatfield AL8 7TB

    Received 3 Jun 2026
  10. Under Consideration6/2026/0912/EM

    Erection of ground floor side extension and partial first floor side extension

    6 Marsden Road Welwyn Garden City AL8 6XZ

    Received 21 May 2026
  11. Decided - Granted6/2021/2575/EM

    Erection of a single storey rear extension & alterations to fenestration

    1 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 3 Sept 2021
  12. Decided - Granted6/2026/1044/LAWP

    Certificate of lawfulness for the change of use from C3 (dwellinghouse) to C4 (HMO for up to 6 unrelated residents)

    5 Peartree Court Welwyn Garden City AL7 3XN

    Received 15 Jun 2026
  13. Decided - Granted6/2024/0464/LAWP

    Certificate of lawfulness for single storey rear extensions pursuant to Prior Approval reference 6/2024/0162/PN8

    35 Codicote Road Welwyn Hertfordshire AL6 9TT

    Received 11 Mar 2024
  14. Decided - Granted6/2024/0353/TPO

    5x Scot’s Pine to be removed due to declining health and proximity to dwelling covered by TPO 496 T6 and TPO 092 A1

    1 Foxes Lane Cuffley Potters Bar EN6 4JB

    Received 23 Feb 2024
  15. Decided - Granted6/2021/0456/MAJ

    Demolition of existing car showroom and erection of three storey block of flats comprising of 9 No 2 bedroom flats & 3 No 1 bedroom flats, with associated access, parking, amenity space and landscaping.

    71 Station Road, Cuffley, Potters Bar, Herts. EN6 4HZ

    Received 12 Feb 2021
  16. Decided - Granted6/2024/1676/TPO

    Covered by TPO 681 (2017) 1x oak tree - T1 - Dead oak tree - Fell to ground level 5 day notice

    28 Robbery Bottom Lane Welwyn AL6 0UW

    Received 2 Sept 2024
  17. Decided - Granted6/2018/0657/HOUSE

    Erection of a single storey side extension to provide garage, and internal alterations

    11 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 8 Mar 2018
  18. Decided - Refused6/2023/0483/EMT

    T1 - 1 x Oak to reduce by 2.5m in height and 3m in width. Remove major deadwood, branches greater than 30mm in diameter and 400mm in length. T2 - 1 x Oak to reduce lateral branches on left side of canopy by 2m. Remove major deadwood, branches greater than 30mm in diameter and 400mm in length

    26 Reddings Welwyn Garden City AL8 7LA

    Received 2 Mar 2023
  19. Decided - Refused6/2024/2250/PN10

    Prior approval for a change of use from agricultural building to one dwellinghouse

    7 Normans Lane Welwyn AL6 9TQ

    Received 25 Nov 2024
  20. Decided - Granted6/2024/0239/EMT

    2 x silver birch - reduce by approximately 2m in height and width (back to previous pruning points). Both trees have been historically reduced hard, leading to decayed pruning points. Works will reduce the risk of branches breaking out.

    36 Attimore Road Welwyn Garden City, AL8 6LP

    Received 5 Feb 2024
  21. Decided - Granted6/2019/3215/HOUSE

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

    75 The Commons Welwyn Garden City AL7 4RZ

    Received 23 Dec 2019
  22. Appeal Decided - Dismissed6/2022/0142/FULL

    Demolition of two vacant commercial units and erection of two apartments, incorporating a retail unit at ground floor level, and four semi-detached dwellings with residential/private parking, cycle store, refuse store, private and communal amenities

    23 & 25 Station Road Digswell Welwyn AL6 0DU

    Received 20 Jan 2022
  23. Appeal Decided - Allowed6/2018/1068/FULL

    Erection of 2 x 5 bedroom detached dwellings following demolition of 1 x dwelling

    16 Upland Drive Brookmans Park Hatfield AL9 6PS

    Received 25 Apr 2018
  24. Decided - Granted6/2019/3198/COND

    Submission of details pursuant to condition 2 (schedule of repairs and method statement) on listed building consent 6/2019/1372/LB

    32 Warrengate Road North Mymms Hatfield AL9 7TX

    Received 19 Dec 2019

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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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.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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