England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

40,297Searchable applications

322Recorded as pending

86%Approval rate · 33,788 approved or refused records

4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0878/HOUSE
Erection of garden shed, first floor side extension, loft conversion including roof lights and garage conversion
1 Mulberry Mead, Hatfield, AL10 9EH
Received 6 May 2016
DecidedN6/2008/1511/TE
REMOVAL OF CONIFERS FROM FRONT GARDEN
17 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JZ
Received 19 Aug 2008
Decided - Granted6/2020/2751/FULL
Erection of new dwelling following demolition of existing dwelling
44 The Ridgeway Cuffley Potters Bar EN6 4BA
Received 22 Oct 2020
Decided6/2021/1101/TC
3 x Leyland Cypress to reduce by 6ft height
110 Mill Green Road Welwyn Garden City AL7 3XE
Received 6 Apr 2021
Decided - Split6/2019/1359/COND
Submission of details pursuant to conditions 3 (material samples) 4 (car parking) 5 (method statement) 7 (hard and soft landscaping Plan) and 9 (hedge Maintenance)
24 London Road Welwyn AL6 9JD
Received 6 Jun 2019
Decided - Granted6/2016/0243/HOUSE
Erection of single storey rear extension following demolition of existing conservatory
7 Home Farm Cottages, Ponsbourne Park, Newgate Street, Hertford, SG13 8QT
Received 15 Feb 2016
Decided - Granted6/2016/0072/PN8
Prior approval for the erection of a single storey rear extension to include two roof lights
6 Furzen Crescent, Hatfield, AL10 9QJ
Received 15 Jan 2016
Decided - Granted6/2019/0130/COND
Submission of details pursuant to condition 1 (materials) on Listed Building consent 6/2018/2664/LB
The Manor House Hill Farm Lane Welwyn AL6 9BP
Received 23 Jan 2019
Decided - Granted6/2024/1743/FULL
Change of use from grass amenity land and front garden land for the purpose of parking vehicles
20 Hare Lane Hatfield AL10 8PP
Received 10 Sept 2024
Decided - Granted6/2018/0211/COND
Submission of details pursuant to condition 3 (refuse and recycling provision) on planning permission S6/2015/1174/FP, dated 08/10/2015
12 Green Croft Hatfield AL10 0RB
Received 23 Jan 2018
Decided - GrantedW6/2009/1552/EM
ERECTION OF SINGLE STOREY REAR EXTENSION, RAISE HEIGHT OF GARAGE ROOF AND ALTERATIONS TO FENESTRATION IN REAR ELEVATION OF GARAGE
3 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EX
Received 17 Jul 2009
Decided - Granted6/2017/1829/COND
Approval of conditions pursuant to condition 2 (samples of materials) on planning permission 6/2016/1658/HOUSE
Honeysuckle Cottage 5 Potterells Station Road Welham Green Hatfield AL9 7SL
Received 29 Sept 2016
Decided - GrantedN6/2004/0609/FP
RECONSTRUCTION OF BARN, AND EXTENSIONS TO BARN TO FORM DWELLING HOUSE
The Barn Tewin Water Farm Herford Road Digswell Welwyn AL6 0BX
Received 26 Apr 2004
Decided - Granted6/2022/1822/HOUSE
Conversion of garage to form habitable space and replacement of existing outbuilding
51 Garden Road Knebworth SG3 6JZ
Received 4 Aug 2022
Decided - Refused6/2017/0135/COND
Approval of details reserved by condition 3 (Materials), 4 (Window Location), 5 (Landscaping), 6 (Tree Protection) and 7 (Construction Method) on planning permission S6/2014/1718/FP
11 Kerdistone Close Little Heath Potters Bar EN6 1LG
Received 25 Jan 2017
Decided - Granted6/2021/3547/COND
Submission of details pursuant to condition 2 (contamination remediation scheme) on planning permission 6/2019/1851/VAR
The Holdings Cole Green Lane Welwyn Garden City AL7 4AL
Received 23 Dec 2021
Decided - Granted6/2017/0660/TPO
Various works to trees (to include a fell and poison with no replanting of a sycamore, crown lifting to 5m of horse chestnut and sycamores, crown lifting to 4m of sycamores, crown lifting to 3m of hawthorns and a yew) all covered by TPO 537
29 Grangewood Little Heath Potters Bar EN6 1SJ
Received 4 Apr 2017
Decided - Granted6/2021/1340/EM
Erection of patio area to front of property
31 Reddings Welwyn Garden City AL8 7LA
Received 26 Apr 2021
Decided - Refused6/2018/0412/HOUSE
Installation of 2 front rooflights and a rear dormer window to facilitate loft conversion
8 Creswick Court Welwyn Garden City AL7 3SX
Received 9 Feb 2018
Decided - GrantedS6/2007/0260/FP
ERECTION OF TWO STOREY SIDE EXTENSION
22 Hillcrest Hatfield AL10 8HG
Received 16 Feb 2007
Decided6/2023/2530/TC
T1 ash tree - fell to ground level. The tree has ash dieback
40 Beehive Lane Welwyn Garden City AL7 4BP
Received 20 Dec 2023
Decided - Withdrawn6/2026/0473/HOUSE
Erection of double storey side extension with a pitched roof
14A Park Road Northaw Potters Bar EN6 4NU
Received 16 Mar 2026
Decided - Granted6/2022/0742/EM
Additional hardstanding to accommodate 2 / 3 cars (total). On-street parking in Pentley Park is subject to restriction.
3 Pentley Park Welwyn Garden City AL8 7RT
Received 28 Mar 2022
Decided - GrantedW6/2004/0677/EM
ERECTION OF REAR CONSERVATORY
5 Howicks Green, Welwyn Garden City, AL7 4RJ
Received 24 May 2004

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

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