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

19,398Searchable applications

298Recorded as pending

86%Approval rate · 15,674 approved or refused records

2,175Refused applications

13,499 approved · 2,175 refused · 982 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 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

Decided - Granted6/2018/1762/FULL
Erection of single storey rear extension to facilitate conversion of existing changing rooms to bar area & new changing rooms/shower facilities
Lemsford Community Centre Brocket Road Lemsford Welwyn Garden City AL8 7TT
Received 4 Jul 2018
Decided - Granted6/2022/0378/HOUSE
Erection of two storey side & single storey rear extension following demolition of existing garage
14 Linkfield Welwyn Garden City AL7 4DW
Received 17 Feb 2022
Decided - Granted6/2022/1860/HOUSE
Partial removal of existing conservatory and erection of single storey rear extension
Ilkerton Bulls Lane Hatfield AL9 7AZ
Received 9 Aug 2022
Decided - Refused6/2024/0204/EMT
T7 - Lime to reduce by 1.5m-2m back to old pruning points leaving furnishing growth T8 - Horse Chestnut to reduce by 1.5m-2m back to old pruning points leaving furnishing growth
9 The Limes Welwyn Garden City AL7 4BD
Received 1 Feb 2024
Decided - Granted6/2021/2552/HOUSE
Installation of electric driveway gates
1 Bury Cottages Essendon Hill Essendon Hatfield AL9 6AG
Received 1 Sept 2021
Decided - Withdrawn6/2021/0813/EM
Replacement of tiled roof finish
2 Guessens Road Welwyn Garden City AL8 6QR
Received 12 Mar 2021
Decided - Refused6/2025/0455/PN8
Prior approval for the erection of a single storey rear extension measuring 3m in height, 8m in depth and 3m to the eaves
12 Brocket Road Welwyn Garden City AL8 7TY
Received 11 Mar 2025
Decided - Granted6/2020/1292/TPO
Reduce 3 x Oak tree by 20% under TPO170 G1 Reduce 1 x Scots Pine by 20% under TPO170 T3
61A Pine Grove Hatfield AL9 7BL
Received 8 Jun 2020
Decided6/2019/3088/TC
Fell 2 x oak trees (T1 & T2)
Land to the rear of 83 Pentley Park Welwyn Garden City AL8 7SL
Received 5 Dec 2019
Decided - Granted6/2024/0219/HOUSE
Erection of a single storey side and rear extension
Lawrence House 1A Lawrence Hall End Welwyn Garden City AL7 4FB
Received 5 Feb 2024
Decided - Granted6/2020/3459/HOUSE
Erection of two storey rear extension, following demolition of existing rear conservatory
103 Boundary Lane Welwyn Garden City AL7 4EG
Received 30 Dec 2020
Decided - Granted6/2018/3292/MAJ
Erection of four storey development comprising 91 x bed care home with 13 x care suites
Land adjacent to 45 Broadwater Road Welwyn Garden City AL7 3AX
Received 31 Dec 2018
Decided - Granted6/2020/1630/HOUSE
Erection of glasshouse
28 Turmore Dale Welwyn Garden City AL8 6HS
Received 23 Jun 2020
Decided - Granted6/2024/2173/EM
Replacement of 2 external doors
9 The Valley Green Welwyn Garden City AL8 7DQ
Received 11 Nov 2024
Decided - Granted6/2018/3055/LB
Internal and external refurbishment, alteration and extension of the hotel complex; replacement dining and function room, following the demolition of more modern extensions and outbuildings, reconfiguration of the car park and gardens, including external lighting, hard and soft landscaping and associated infrastructure
Bush Hall Hotel Chequers Hatfield AL9 5NT
Received 30 Nov 2018
Decided - Granted6/2024/1557/EMT
H1 conifer hedge to fell. T1 purple plum to cut back from building by 1m and crown lift to 2.5m. T2 confer to fell. T3 cherry to fell.
29 Blythway Welwyn Garden City AL7 1DJ
Received 15 Aug 2024
Decided - Refused6/2023/1985/LAWP
Certificate of Lawful Development of the proposed conversion of existing outbuilding to habitable accommodation and linking to the existing dwelling
8 Churchill Crescent Welham Green Hatfield AL9 7DQ
Received 26 Sept 2023
Decided - Granted6/2020/1763/EM
Formation of hardstanding following landscaping alterations.
511 Howlands Welwyn Garden City AL7 4HS
Received 17 Jul 2020
Decided - Refused6/2019/2235/HOUSE
Extension to single storey garage
5 Home Farm Cottages Ponsbourne Park Newgate Street Hertford SG13 8QT
Received 10 Sept 2019
Decided - Granted6/2018/1938/EM
Alterations to openings on existing rear elevation & insertion of roof lights to existing flat roof
9 Colgrove Welwyn Garden City AL8 6HY
Received 24 Jul 2018
Decided - Granted6/2020/2574/HOUSE
Erection of a part single storey, part two storey rear and side extension, the installation of a rear dormer window and three front roof lights.
51 Peplins Way Hatfield AL9 7UR
Received 5 Oct 2020
Appeal Decided - Dismissed6/2018/1329/EM
Removal of chimney stack
31 Howicks Green Welwyn Garden City AL7 4RJ
Received 15 May 2018
Decided - Granted6/2020/2052/COND
Submission of details pursuant to conditions 10 (Drainage Strategy) 15 (Hard and soft landscaping) 17 (Noise mitigation) on planning permission 6/2017/0848/MAJ (APP/C1950/W/17/3190821)
31 London Road Knebworth SG3 6JE
Received 13 Aug 2020
Decided - Granted6/2022/1521/EM
Replacement windows and doors to property.
68 Peartree Lane, Welwyn Garden City, AL7 3UH
Received 29 Jun 2022

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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
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.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

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.

Check collection coverage