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

22,606Searchable applications

292Recorded as pending

86%Approval rate · 18,388 approved or refused records

2,592Refused applications

15,796 approved · 2,592 refused · 1,174 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 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

Decided6/2021/1826/TC
T1 - Sycamore - re-pollard to around previous pollarding points T2 - Conifers (x12) - 12 Conifers in a line to reduce height of all 12 by 3m T3 - Laurel - reduce height by 2.5m and hard cut back end by the gate T4 - Magnolia - prune out dormant limbs on top of crown, 5 limbs. Prune back side growing towards apartment by 1m
Flat 5 8 Wendover Lodge Church Street Welwyn AL6 9LR
Received 14 Jun 2021
Decided - Granted6/2018/1289/EM
Erection of a single storey rear extension with flat roof and glazed roof lantern
25 Wren Wood Welwyn Garden City AL7 1QF
Received 15 May 2018
Decided - Refused6/2022/0855/FULL
Erection of garden room to be used as a showroom within internal courtyard area
Suttons Farm The Hyde Woodcock Hill St Albans Hertfordshire AL4 9HJ
Received 8 Apr 2022
Decided - Granted6/2023/0931/HOUSE
Erection of single storey rear extension with roof lights and new permeable block paving to existing driveway
7 Boundary Lane Welwyn Garden City AL7 4EA
Received 2 May 2023
Decided6/2023/0824/TC
To remove rowan tree.
64 Moorlands Welwyn Garden City Hertfordshire AL7 4QG
Received 18 Apr 2023
Decided - Granted6/2024/1783/EM
Alter estate management consent for Hardstanding
540 Howlands Welwyn Garden City AL7 4ET
Received 16 Sept 2024
Decided6/2021/1819/TC
1 x Oak to reduce lateral growth over parking bays by around 2 - 3m, reduce lateral branches to clear roof by around 1.5m horizontally and 3m vertically 3 x Ash to reduce lateral branches to clear roof by around 1.5m horizontally and 3m vertically.
Parkway Community Health Clinic Birdcroft Road Welwyn Garden City AL8 6EH
Received 11 Jun 2021
Decided - Granted6/2021/0433/COND
Submission of details pursuant to condition 2 (external lighting) on planning permission (6/2019/1813/FULL)
Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ
Received 11 Feb 2021
Decided - Granted6/2018/2279/HOUSE
Erection of part single, part two storey rear extension following demolition of existing conservatory
5 The Commons Welwyn Garden City AL7 4RW
Received 6 Sept 2018
Decided - Granted6/2017/0033/EM
Fell Portuguese laurel tree to ground level
25 Marley Road Welwyn Garden City AL7 4BT
Received 10 Jan 2017
Decided - Granted6/2019/2502/LAWP
Certificate of lawfulness for change of use from a shop (Class A1 use) to a Job Centre (Class A2 Use - professional services)
45 Town Centre, Hatfield, AL10 0JJ
Received 8 Oct 2019
Decided - Granted6/2021/2808/EM
Erection of garage on existing parking space
7 Linces Way Welwyn Garden City AL7 3JN
Received 29 Sept 2021
Decided - Granted6/2024/0372/HOUSE
Erection of a single storey front and two storey side and rear extension with fenestration alterations
25 Bramble Road Hatfield AL10 9RZ
Received 27 Feb 2024
Decided - Granted6/2017/0275/LAWP
Certificate of lawfulness for loft conversion and erection of rear dormer
20 Frampton Road, Little Heath, Potters Bar, EN6 1JE
Received 14 Feb 2017
Decided - Granted6/2025/0961/COND
Submission of details pursuant to condition 1 (Samples of materials), condition 2 (External lighting), condition 3 (Hard and soft landscape plan) on planning permission 6/2024/2131/FULL
The Listed Hangar Mosquito Way Hatfield AL10 9AX
Received 27 May 2025
Decided - Refused6/2018/0291/HOUSE
Erection of a double storey side and single storey rear extension, front porch with access, driveway and frontage alterations
44 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 30 Jan 2018
Decided - Granted6/2021/0746/HOUSE
Erection of first floor side extension, ground floor side extension, first floor rear extension to facilitate loft conversion, fenestration alterations and replacement chimney
46 Blakemere Road Welwyn Garden City AL8 7PJ
Received 8 Mar 2021
Under Consideration6/2026/0420/FULL
Cessation of existing commercial use and erection of 5 dwellings
Land at Spinney Lane Rabley Heath Welwyn AL6 0QS
Received 6 Mar 2026
Decided - Granted6/2021/2406/HOUSE
Erection of single storey front extension and first floor rear extension with alterations to fenestration.
15 Upland Drive Brookmans Park AL9 6PS
Received 16 Aug 2021
Decided - Refused6/2019/0762/COND
Submission of details pursuant to condition (site investigation and post investigation assessment) on planning permission 6/2017/2791/HOUSE
5 Hawbush Rise Welwyn AL6 9PZ
Received 1 Apr 2019
Decided - RefusedS6/2013/2723/DS
Application for the approval of details reserved by condition 2 (external parking and outside private residential amenity areas) of planning permission S6/2013/966/FP
The Rookery Cafe Great North Road Welham Green Hatfield AL9 5SF
Received 20 Dec 2013
Decided - Granted6/2022/0744/EM
Erection of first floor side extension, with alterations to openings and erection of detached garden shed
20 Little Dell Welwyn Garden City AL8 7HZ
Received 28 Mar 2022
Decided - Granted6/2025/2608/LAWP
Certificate of lawfulness for single storey rear extension following demolition of conservatory
6 Blakes Way Welwyn AL6 9RE
Received 22 Dec 2025
Decided - Granted6/2022/0031/FULL
Change of use from retail (use class E (a)) to a booking office (sui generis)
Hatfield Railway Station 79 Unit 1 Great North Road Hatfield AL9 5AB
Received 6 Jan 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