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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
22,819Searchable applications
313Recorded as pending
86%Approval rate · 18,567 approved or refused records
2,613Refused applications

15,954 approved · 2,613 refused · 1,180 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2020/0833/TC

    Reduce 2 x Hornbeam Trees [T1 and T5] by 33% Reduce 1 x Silver birch tree [T4] by 33% Reduce 2 x Oak trees [T6 and T7] by 4m in width and 2m in height Fell 1 x Oak tree [T3] and replace with new species Fell 1 x Silver birch Tree [T2]

    34 Sherrardspark Road Welwyn Garden City AL8 7JS

    Received 3 Apr 2020
  2. Decided - Granted6/2017/2640/TPO

    Removal of two Cypress trees, one Hawthorn tree and one Oak tree covered by TPO 619 (2017)

    Camfield Kentish Lane Brookmans Park

    Received 13 Nov 2017
  3. Decided - Granted6/2022/0234/HOUSE

    Internal reconfiguration of ground floor; over-cladding and re-roofing of front porch and rear existing extension. Associated external landscaping, including pergolas. Erection of separate garden room.

    4 Station Road Digswell Welwyn AL6 0DG

    Received 2 Feb 2022
  4. Decided - Granted6/2018/2268/COND

    Submission of details pursuant to condition 1 (material samples) on planning 6/2017/2930/HOUSE

    66 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 4 Sept 2018
  5. Decided - Granted6/2021/0082/HOUSE

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

    49 Attimore Road Welwyn Garden City AL8 6LG

    Received 12 Jan 2021
  6. Decided - Granted6/2019/0443/ADV

    Installation of 2 x non illuminated pole mounted free standing signs

    Roundabout 48 Hatfield Old Town

    Received 22 Feb 2019
  7. Decided - Granted6/2016/2352/COND

    Approval of details reserved by condition 5 (Landscaping), condition 8 (Construction Management and Construction Traffic Management Plans) and condition 10 (Details of enclosure of garage court) on planning permission S6/2014/2178/FP

    Land to the rear of Nos 19-21 Furzen Crescent, Hatfield, AL10 9QN

    Received 8 Nov 2016
  8. Decided - Granted6/2020/1542/EMT

    Reduce 1 x Ash tree (T2) 3m in height and sides by 1m Reduce 1x Chestnut (T1) by 1.5m

    32 Fordwich Road Welwyn Garden City AL8 6EY

    Received 29 Jun 2020
  9. Decided - Withdrawn6/2025/2445/FULL

    Installation of one padel tennis court as an additional ancillary sporting and recreational facility to the Tesco office headquarters, together with associated floodlighting, hard and soft landscaping works

    Tesco Heart Building Car Park Shire Park Welwyn Garden City AL7 1TW

    Received 21 Nov 2025
  10. Decided - Refused6/2021/2816/HOUSE

    Extension of existing dropped curb

    53 High Road Essendon Hatfield AL9 6HS

    Received 30 Sept 2021
  11. Decided - Withdrawn6/2025/1753/VAR

    Variation of condition1 (Approved Plans), condition 2 (Reserved Matters) and condition 3 (Restrictions of Use) on planning permission S6/1981/0127

    Burns Sports Pavillion Bushwood Close Welham Green Hatfield AL9 7YZ

    Received 18 Aug 2025
  12. Decided6/2025/1884/TC

    T1 40ft Lawson Cypress to reduce the height by 30%. T2 Apple tree to cut back to previous points. T3 Fell Lawson cypress.

    3 High Grove Welwyn Garden City AL8 7DW

    Received 3 Sept 2025
  13. Decided - Refused6/2022/1337/HOUSE

    Erection of first floor rear extension

    15 High Dells Hatfield AL10 9JD

    Received 9 Jun 2022
  14. Decided6/2019/2381/TC

    2 x Lime trees by 2m Reduce 5 x Conifer by 50%

    Clunie Cottage Hill Farm Lane Welwyn AL6 9BX

    Received 26 Sept 2019
  15. Decided - Granted6/2021/3310/EMT

    To prune a rear boundary ornamental plum tree hedge/trees by ~ 25%. It spreads across whole rear boundary.

    19 Crossway Welwyn Garden City AL8 7ED

    Received 23 Nov 2021
  16. Decided - Granted6/2023/2385/HOUSE

    Erection of a part two, part single storey side and rear extensions, installation of first floor side window

    79 Knella Road Welwyn Garden City AL7 3NA

    Received 27 Nov 2023
  17. Decided - Granted6/2019/3236/VAR

    Variation of condition 2 (materials) and 3 (landscaping) on planning permission 6/2015/1984/FULL

    2 New Road Welwyn Garden City AL8 7TX

    Received 24 Dec 2019
  18. Decided - Withdrawn6/2022/2854/HOUSE

    Internal alterations including the retention of hallway archway and repair works

    The Old Rectory Hill Farm Lane Ayot St Lawrence AL6 9BT

    Received 18 Dec 2022
  19. Decided - Granted6/2022/0602/COND

    Submission of details pursuant to condition 1 (external materials including brickwork and details of eaves, verges, parapets, cills, door canopy, doors and windows) of planning permission 6/2021/2270/FULL

    1 Pentley Close Welwyn Garden City AL8 7SH

    Received 14 Mar 2022
  20. Decided - Granted6/2023/2335/LAWP

    Certificate of lawfulness for single storey detached outbuilding

    6 Fern Dells Hatfield AL10 9HX

    Received 20 Nov 2023
  21. Decided - Granted6/2024/1148/HOUSE

    Formation of new vehicular access together with a hard standing to existing dwelling

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 19 Jun 2024
  22. Appeal Decided - Dismissed6/2020/0658/FULL

    Erection of a subterranean dwelling with associated parking and driveway

    5 Oakwell Drive, Northaw, Potters Bar, EN6 4EZ

    Received 9 Mar 2020
  23. Decided - Granted6/2017/0915/HOUSE

    Retention of a two storey rear extension

    17 Birchwood Close Hatfield AL10 0PP

    Received 3 May 2017
  24. Decided - Granted6/2020/1916/FULL

    Erection of 2 No. new natural smoke ventilation shaft upstands above the existing flat roof level, to connect onto existing shafts within the existing block of flats.

    Inspira House Martinfield Welwyn Garden City AL7 1GW

    Received 4 Aug 2020

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

  • 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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