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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
18,362Searchable applications
298Recorded as pending
86%Approval rate · 14,796 approved or refused records
2,046Refused applications

12,750 approved · 2,046 refused · 930 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2768/EMT

    T1-Cherry-Crown reduce all round by 2-3 metres to maintain size and shape

    9 Fearnley Road Welwyn Garden City AL8 6HW

    Received 6 Dec 2022
  2. Decided - Granted6/2020/3322/TPO

    Fell and treat stumps to two Pine trees (T1 & T2) and to fell and treat stump of one Oak tree (T3)

    Land to the rear of 56 Birchall Wood Welwyn Garden City AL7 2HL

    Received 8 Dec 2020
  3. Decided - Granted6/2025/0723/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2024/2128/HOUSE

    10 Birch Drive Hatfield AL10 8NX

    Received 16 Apr 2025
  4. Decided - Granted6/2020/3227/HOUSE

    Demolition of conservatory, erection of a single storey side extension, part single storey, part two storey rear extensions and alterations to openings.

    150 Salisbury Road Welwyn Garden City AL7 3SA

    Received 2 Dec 2020
  5. Decided - Refused6/2019/1052/COND

    Submission of details pursuant to condition 16 (Privacy Screen), 22 (Bin Storage), 24 (Landscaping Plan) on planning application 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 1 May 2019
  6. Decided - Granted6/2021/0989/EMH

    Erection of a timber garden summerhouse to rear garden

    4 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 25 Mar 2021
  7. Decided - Granted6/2021/2653/LB

    Erection of a single storey side extension involving demolition of existing attached garage, and alterations to fenestrations

    Little House West End Lane Essendon Hatfield AL9 6AU

    Received 13 Sept 2021
  8. Decided - Refused6/2026/1427/FULL

    Change of use of amenity land to driveway area with part hedge removal, part two storey rear extension, roof lantern to existing kitchen roof and alterations to openings to rear

    45 Great Dell Welwyn Garden City AL8 7HP

    Received 13 Aug 2026
  9. Decided - Granted6/2022/0525/EM

    Replacement of rear garden hedge with wooden board fence

    33 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 4 Mar 2022
  10. Decided - Granted6/2022/2007/COND

    Submission of details pursuant of condition 13 (submission of revised travel plan) on planning permission 6/2019/2086/MAJ

    Minster House Minster Close AL10 9JN

    Received 30 Aug 2022
  11. Decided - Granted6/2025/1773/EMT

    Reduce 40ft cherry tree by 30% Reduce crab apple tree by 1-2m

    12 Digswell Road Welwyn Garden City AL8 7PA

    Received 21 Aug 2025
  12. Decided - Granted6/2025/0785/HOUSE

    Single storey rear extension, new enlarged roof structure incorporating 3No. front dormers and 1No. rear dormer with no increase in ridge height, formation of first floor rooms and associated alterations

    37 The Meadway Cuffley Potters Bar EN6 4ET

    Received 28 Apr 2025
  13. Decided - Refused6/2018/3035/HOUSE

    Erection of a single storey front/side extension

    3 Oak Piece Welwyn AL6 0XE

    Received 27 Nov 2018
  14. Decided - Granted6/2022/1976/HOUSE

    Erection of a single storey rear extension and first floor rear extension with alterations.

    12 Canonsfield Welwyn AL6 0QD

    Received 25 Aug 2022
  15. Decided - Refused6/2019/1904/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    3 Glenwood Welwyn Garden City AL7 2JT

    Received 5 Aug 2019
  16. Decided - Granted6/2019/0938/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2018/0116/FULL, dated 21/03/2018

    68 Mymms Drive Brookmans Park Hatfield AL9 7AD

    Received 17 Apr 2019
  17. Decided - Granted6/2024/0488/HOUSE

    Alterations to the roof to include, formation of front and rear dormers and hipped to gable roof, insulated render to external walls and removal of chimney

    18 Westland Drive Brookmans Park AL9 7UQ

    Received 13 Mar 2024
  18. Decided - Granted6/2023/1763/EM

    Erection of a garden room to rear garden to use as a home office & gym

    55 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 21 Aug 2023
  19. Decided - Granted6/2022/2528/HOUSE

    Erection of a single storey rear extension, front porch and modification of existing store building

    20 Oaklands Avenue Brookmans Park Hatfield AL9 7UJ

    Received 4 Nov 2022
  20. Decided - Granted6/2023/2471/TPO

    T24 Common lime to lift crown to 3m and remove epicormic growth at base to 2m. T25 Common lime to re-pollard to previous pollard points. T26 Common yew to reduce height and radial spread of crown by 2m. T27 Holm oak to reduce crown to clear church building and boundary wall by 1m ; lift crown to 2m. T28 Common lime to reduce height by 4-5m, radial spread by 2-3m and remove all deadwood from crown (including the large dead scaffold limb on south side of crown). T29 Common lime to re-pollard to previous pollard points. T30 Common lime to re-pollard to previous pollard points; Aerial inspection of cavity on north side of stem at approximately 2.5m to determine extent of cavity and for the presence of decay. TPO 250

    St Marys Church Church Hall Church Street Welwyn AL6 9LX

    Received 8 Dec 2023
  21. Decided - Refused6/2018/1177/FULL

    Change of use of land for the stationing of caravans for a single family pitch for gypsies and travellers

    Land at Great North Road, Stanborough, Welwyn Garden City, AL8 7TB

    Received 4 May 2018
  22. Decided - Granted6/2019/3118/HOUSE

    Erection of conservatory

    79 Crawford Road Hatfield AL10 0PF

    Received 9 Dec 2019
  23. Decided - Granted6/2024/0450/COND

    Submission of details pursuant to condition 1 (Materials), condition 2 (Windows, doors, eaves, verges and cills) and condition 3 (Rooflights), on planning permission 6/2023/1705/HOUSE

    The Forge Hill Farm Lane Welwyn AL6 9BW

    Received 8 Mar 2024
  24. Decided - Granted6/2020/0517/FULL

    Erection of an agricultural storage building

    Bedwell Lodge, Cucumber Lane, Essendon, Hatfield, AL9 6JB

    Received 24 Feb 2020

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

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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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