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

40,308Searchable applications

287Recorded as pending

86%Approval rate · 33,826 approved or refused records

4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/2426/EM
Crown reduce two Lombardy Poplar trees by upto 3m plus removal of deadwood
127 Sweet Briar Welwyn Garden City AL7 3EB
Received 31 Oct 2016
Decided - Granted6/2022/1001/HOUSE
Erection of a single storey rear extension
35 Feather Dell Hatfield Hertfordshire AL10 8DE
Received 27 Apr 2022
Decided6/2025/0308/TC
1 extremely mature poplar tree, re-pollard to original points
13 Stacklands Welwyn Garden City AL8 6XW
Received 19 Feb 2025
Decided - Granted6/2017/1095/EM
Removal of two Beech trees located at 33 & 35 Woodland Rise
33 & 35 Woodland Rise Welwyn Garden City AL8 7LJ
Received 22 May 2017
Decided - GrantedS6/2015/0306/FP
Erection of timber frame storage building
Great Oak House, High Road, Hatfield, AL9 6GZ
Received 16 Feb 2015
Decided - Granted6/2019/2344/VAR
The variation of condition 6 (accessible housing), the variation of condition 1 (contamination), condition 8 (photovoltaic panels) and the variation of condition 4 (noise from nearby sources) on planning permission 6/2018/1519/MAJ.
Land north of Chequersfield Welwyn Garden City AL7 4TX
Received 23 Sept 2019
Decided - Withdrawn6/2017/2382/EM
Prune 1 x Ash tree by up to 30%
63 Digswell Park Road Welwyn Garden City AL8 7NW
Received 16 Oct 2017
Decided - Refused6/2018/0065/EM
Erection of single storey side extension, first floor side extension and loft conversion including installation of 2 x rear roof lights and roof garden with glazed balcony screen following demolition of existing carport.
81 Hertford Road Digswell Welwyn AL6 0BU
Received 9 Jan 2018
Decided - GrantedW6/2008/0927/EM
RE-SITE FRONT DOOR AND BRICK UP EXISTING DOOR WAY
6 CAPONFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4AP
Received 14 Jun 2008
Decided - Granted6/2022/1301/EM
Replacement fence with low level hedge & landscaping to front of property to soften drive
128 Mount Way Welwyn Garden City AL7 4JX
Received 6 Jun 2022
Decided - Granted6/2022/1215/LAWP
Certificate of lawfulness for a single storey rear outhouse for use as gym/office
22 Skimpans Close Welham Green Hatfield AL9 7PB
Received 25 May 2022
Decided - Granted6/2023/0442/HOUSE
Erection of an outbuilding
64 Stockbreach Road Hatfield AL10 0BE
Received 27 Feb 2023
Decided - Granted6/2018/1826/HOUSE
Erection of single storey rear extension
62 Warren Way Digswell Welwyn AL6 0DN
Received 9 Jul 2018
Decided - Granted6/2025/1602/EMT
1 x Oak tree 40% crown reduction. 1 x Hazel tree 40% crown reduction. 1 x Hornbeam tree removal.
8 The Glade Welwyn Garden City AL8 7LG
Received 25 Jul 2025
Decided - Granted6/2016/1685/TPO
Removal of Cypress tree - Dead & Dangerous - Covered by TPO 505 (2016)
Hatfield Lodge, Ponsbourne Park, Newgate Street, Hertford, SG13 8NH
Received 18 Aug 2016
Decided - Refused6/2026/0350/LAWE
Certificate of lawfulness for the retention of an outbuilding in the rear garden
11 New Road Digswell Welwyn AL6 0AE
Received 26 Feb 2026
Decided - Granted6/2016/0489/HOUSE
Erection of a single storey side and rear extension, loft conversion to include side dormers and internal alteration to the dwellinghouse.
9 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BY
Received 24 Mar 2016

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