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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
22,438Searchable applications
295Recorded as pending
86%Approval rate · 18,241 approved or refused records
2,582Refused applications

15,659 approved · 2,582 refused · 1,159 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0203/COND

    Approval of details reserved by condition 2 (Hard & Soft Landscape) on planning permission 6/2016/1240/MAJ

    East Of England Ambulance Services Ascots Lane Welwyn Garden City AL7 4HL

    Received 3 Feb 2017
  2. Decided - Granted6/2023/0814/EMT

    Laurel to reduce by 2m in height, reduce width on left side to 1m inside boundary line. Reduce remaining width by around 1m.

    71 Valley Road Welwyn Garden City AL8 7DR

    Received 17 Apr 2023
  3. Decided - Granted6/2019/1237/COND

    Submission of details pursuant to condition 1 (Urban Drainage), 2 (External Lighting), 3 (Surfacing Materials) on planning application 6/2019/0075/FULL

    Lessiters LTD 61 London Road Woolmer Green Knebworth SG3 6JE

    Received 22 May 2019
  4. Decided - Granted6/2017/0695/LAWP

    Certificate of lawfulness for the erection of side and rear extensions, alterations to existing windows and erection of detached 'poolhouse' building.

    3 Homewood Lane Northaw Potters Bar EN6 4PP

    Received 6 Apr 2017
  5. Decided - Granted6/2026/0004/EM

    Replacement windows and door

    31 Bridge Road Welwyn Garden City AL8 6UG

    Received 2 Jan 2026
  6. Appeal Decided - Dismissed6/2020/2307/EMH

    Single storey front extension to replace existing porch canopy and external cupboard.

    47 Howicks Green Welwyn Garden City AL7 4RJ

    Received 13 Aug 2020
  7. Decided - Granted6/2024/1492/COND

    Submission of details pursuant to condition number 1 (method and extent of brick repairs) and 2 (sample panel) on consent 6/2024/0692/LB

    Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

    Received 6 Aug 2024
  8. Decided - Withdrawn6/2017/2054/LAWP

    Certificate of lawfulness to change the use of amenity land to residential, including boundary treatment

    33 Lemsford Village Welwyn Garden City AL8 7TR

    Received 13 Sept 2017
  9. Decided6/2017/2089/TPO

    Fell 1 x Conifer tree in rear garden - Conservation Area

    6 Fearnley Road Welwyn Garden City AL8 6HW

    Received 15 Sept 2017
  10. Decided - Granted6/2017/2224/FULL

    Change of use of amenity land to form an extension to an existing driveway.

    99 Attimore Road Welwyn Garden City AL8 6LG

    Received 2 Oct 2017
  11. Decided - Granted6/2020/0074/TPO

    Fell 1x dead tree

    Digswell Water Lodge Digswell Lane Welwyn AL6 0SN

    Received 13 Jan 2020
  12. Decided - Refused6/2018/1060/LAWP

    Certificate of lawfulness for the erection of a first floor rear extension

    11 Elm Drive Hatfield AL10 8NR

    Received 24 Apr 2018
  13. Decided - Granted6/2018/2622/LAWP

    Certificate of lawfulness for erection of single storey rear extension including alteration to the soil and vent pipe

    47 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 12 Oct 2018
  14. Decided - Granted6/2020/1036/LAWP

    Erection of outbuilding

    79 Beehive Lane Welwyn Garden City AL7 4BN

    Received 11 May 2020
  15. Decided - Granted6/2021/3326/EM

    Erection of a part two storey, part single storey rear extension, a single storey side extension, and a porch to front involving demolition of existing side extension and porch

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 24 Nov 2021
  16. Decided - Granted6/2020/3233/HOUSE

    Erection of a single storey rear extension

    1 Smallcroft Welwyn Garden City AL7 2AU

    Received 2 Dec 2020
  17. Decided - Refused6/2023/1945/HOUSE

    Installation of an in-roof Solar PV system on the north-west road facing roof

    11 Templewood Welwyn Garden City AL8 7HT

    Received 20 Sept 2023
  18. Decided - Withdrawn6/2022/1490/EMT

    T1-Silver Birch-Fell to ground level as its outgrown its position as there is a new fence being installed.

    4 Pentley Park Welwyn Garden City AL8 7RU

    Received 27 Jun 2022
  19. Decided - Granted6/2017/2180/EM

    Single storey rear extension to form party wall of extension at No.5 East Mead.

    4 East Mead Welwyn Garden City AL7 4RR

    Received 22 Sept 2017
  20. Decided - Refused6/2023/1409/HOUSE

    Erection of front gates and railings following demolition of existing boundary wall

    49 Pine Grove Brookmans Park AL9 7BL

    Received 6 Jul 2023
  21. Decided - Granted6/2023/2543/EMT

    T1- Fell dying Laurel to front side of property. Decay at historic pruning points. Repeatedly touching property

    250 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 21 Dec 2023
  22. Decided - Granted6/2020/1429/HOUSE

    Erection of a single storey, part two storey rear extension

    5 Carve Ley Welwyn Garden City AL7 3HL

    Received 19 Jun 2020
  23. Decided - Granted6/2017/0070/COND

    Approval of details reserved by condition no. 2 (materials) on planning permission 6/2016/0240/HOUSE

    12 Cloverland Hatfield AL10 9ED

    Received 16 Jan 2017
  24. Decided - Granted6/2019/2444/EM

    Reduce 1 x Ginko Biloba tree by 30%

    55 Valley Road Welwyn Garden City AL8 7DH

    Received 2 Oct 2019

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

View all applications

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

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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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