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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
24,755Searchable applications
313Recorded as pending
86%Approval rate · 20,302 approved or refused records
2,802Refused applications

17,500 approved · 2,802 refused · 1,307 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1241/EM

    Erection of shed/summer house in rear garden and part removal of boundary privet hedges

    24 Rooks Hill Welwyn Garden City AL8 6ET

    Received 7 Jun 2017
  2. Decided - Granted6/2020/3169/LAWP

    Certificate of lawfulness for the erection of outbuilding to the rear garden

    150 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 25 Nov 2020
  3. Decided6/2020/1543/TC

    Fell 1 x Whitebeam Tree [T1]

    1 Pentley Park Welwyn Garden City AL8 7RT

    Received 29 Jun 2020
  4. Decided - Granted6/2025/0467/VAR

    Variation of condition 9 (street levels) on planning permission 6/2023/2332/FULL

    54 Brookmans Avenue Brookmans Park AL9 7QQ

    Received 13 Mar 2025
  5. Decided - Granted6/2017/0954/HOUSE

    Demolition of existing conservatory and erection of single storey rear extension and timber patio/decking area to rear. Conversion of existing garage to gym and utility room, with the installation of 3 rooflights.

    47 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 8 May 2017
  6. Decided - Granted6/2021/2614/FULL

    Change of use from residential garage (C3(a) to a childcare facility (E(f)

    17 The Meadway Cuffley Potters Bar EN6 4ET

    Received 8 Sept 2021
  7. Decided - Granted6/2016/1671/EM

    Erection of single storey rear extension and garage conversion, including associated alterations to openings and replacement of garage doors

    13 Digswell Road, Welwyn Garden City, AL8 7PD

    Received 11 Aug 2016
  8. Decided - Split6/2015/1972/COND

    Approval of details reserved by condition 2 (materials), condition 3 (landscaping), condtion 4 (highways report), condition 5 (construction method statement), condition 6, 7 and 8 (archaeological scheme) on planning permission N6/2015/0560/FP

    The Fox Public House 21 New Road Woolmer Green Knebworth SG3 6JX

    Received 22 Sept 2015
  9. Decided - Granted6/2021/3452/EM

    Construction of a greenhouse and summerhouse and associated landscaping works

    21 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 9 Dec 2021
  10. Decided - Granted6/2019/0034/EM

    Formation of hardstanding

    17 Sandpit Road Welwyn Garden City AL7 3TW

    Received 8 Jan 2019
  11. Decided - Granted6/2025/1723/VAR

    Variation of condition 1 (External materials) & condition 5 (Approved plans) on planning permission 6/2023/0905/FULL

    Lockleys Farm Great North Road Welwyn AL6 0BL

    Received 13 Aug 2025
  12. Decided - Granted6/2019/0467/HOUSE

    Erection of two storey side extension, single storey rear extension and front porch

    8 Great North Road, Brookmans Park, Hatfield, AL9 6NF

    Received 28 Feb 2019
  13. Decided - Refused6/2018/1439/HOUSE

    Erection of ancilliary garden room to dwelling

    1 + 2 Hill Farm Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BN

    Received 24 May 2018
  14. Decided - Granted6/2018/1286/PN15

    Prior approval for the installation of a 12m High HEL TP325 Tower on new D6 root foundation and associated works

    Welwyn North Car Park Off Station Road Welwyn AL6 0DD

    Received 10 May 2018
  15. Decided - Granted6/2024/1869/HOUSE

    Erection of a single storey front/side extension

    48 New Park Road Newgate Street Hertford SG13 8RF

    Received 30 Sept 2024
  16. Decided - Refused6/2018/2345/FULL

    Erection of a dwelling following the demolition of the existing dwelling house

    Tylers Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 5 Sept 2018
  17. Decided - Granted6/2025/0064/EMT

    Hornbeam T1- crown reduction by 30% to provide sufficient clearance to property and telephone lines (Reduce height by 2.5m and width by 1.5m), not to exceed previous pruning points. Clear around phone lines by a maximum of 500mm. Remove deadwood consisting of branches greater than 30mm in diameter.

    19 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 16 Jan 2025
  18. Decided - Granted6/2021/0587/ADV

    Installation of freestanding information board

    Oaklands College The Campus Welwyn Garden City AL8 6AH

    Received 24 Feb 2021
  19. Decided - Withdrawn6/2021/0998/EMH

    Demolition of existing side extension and porch, and erection of a single storey side extension, entrance porch and part single part two storey rear extension, with associated alterations to the openings.

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 25 Mar 2021
  20. Decided - Granted6/2026/1095/TPO

    T1 Goat Willow Pollard back to previous trimming points which is approx 3-4m off T2 Cedar Crown reduction by 2-3m approx back to previous pruning points

    31 Parkside Welwyn AL6 9DQ

    Received 24 Jun 2026
  21. Decided - Granted6/2025/1732/EM

    Replacement of the existing front door with elite composite door

    24 Oakdale Welwyn Garden City AL8 7QZ

    Received 14 Aug 2025
  22. Decided - Withdrawn6/2022/2244/EM

    Formation of hardstanding (driveway)

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 28 Sept 2022
  23. Appeal Decided - Dismissed6/2018/1556/FULL

    Retention of fence and change of use from amenity to residential land

    11 Oaklea Welwyn AL6 0PT

    Received 11 Jun 2018
  24. Decided6/2019/3171/TC

    Fell 1x Green Gage tree Reduce 1x Willow tree by 2.5m

    47 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 17 Dec 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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    Planning application documents: what to read first

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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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