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

40,218Searchable applications

309Recorded as pending

86%Approval rate · 33,728 approved or refused records

4,807Refused applications

28,921 approved · 4,807 refused · 2,211 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2007/0225/FP
ERECTION OF TWO STOREY REAR EXTENSION
2 Peplins Way Brookmans Park Hatfield AL9 7UU
Received 12 Feb 2007
Decided - Granted6/2025/2505/EM
Installation of an EV charger
8 Dognell Green Welwyn Garden City AL8 7BL
Received 2 Dec 2025
Decided - RefusedN6/2013/0230/FP
Erection of boundary fence
55 Codicote Road Welwyn AL6 9TY
Received 30 Jan 2013
Decided - Granted6/2021/1040/EM
Two storey rear extension
9 Fern Grove Welwyn Garden City AL8 7ND
Received 29 Mar 2021
Decided - Withdrawn6/2019/1666/FULL
Change of use of highway land to residential land.
82 Thistle Grove Welwyn Garden City AL7 4AQ
Received 5 Jul 2019
Decided - Granted6/2018/0164/FULL
Change of use of field margin land to residential.
44 Bluebell Way Hatfield AL10 9FJ
Received 17 Jan 2018
Decided - WithdrawnS6/2014/1780/FP
Erection of part two and part single storey rear extension, first floor side and single storey side extensions and installation of front/side rooflights
36 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX
Received 8 Aug 2014
Under Consultation6/2026/1734/COND
Submission of details pursuant to condition number 2 (Illumination) and 3 (Construction Management Plan) on planning permission 6/2026/0910/FULL
Land Securities The Galleria Comet Way Hatfield AL10 0XX
Received 30 Sept 2026
Decided - GrantedS6/2013/1161/HH
Erection of single storey rear extension
127 Moffats Lane, Brookmans Park, HATFIELD, AL9 7RP
Received 7 Jun 2013
Decided - Granted6/2018/1522/TPO
T1 Scots Pine : Fell due to decay and replace with scot pine x 1 (TPO 823)
Holly Tree House Wendover Lodge 11 Church Street Welwyn AL6 9LR
Received 6 Jun 2018
Decided - Granted6/2021/2399/LAWE
Certificate of lawfulness for the retention of shipping containers used for storage associated with the house
7 Danesbury Lane Welwyn AL6 9SG
Received 16 Aug 2021
Decided - Granted6/2016/1938/EM
Sycamore (S1) - Fell 2 stems, reduction of 3rd stem to around 8ft
44 Brockswood Lane, Welwyn Garden City, AL8 7BG
Received 12 Sept 2016
Decided6/2026/1174/TC
Leylandii to fell
2 Handside Lane Welwyn Garden City AL8 6SF
Received 7 Jul 2026
Decided - Granted6/2016/1942/EM
Removal of two Silver Maple trees
6 Old Forge Close Welwyn AL6 0SR
Received 20 Sept 2016
Appeal Decided - DismissedS6/2013/1056/FP
Erection of a first floor side and rear extension, part two storey, part single storey rear extension and alterations to the roof including an increase in ridge height
21 Great North Road Brookmans Park Hatfield AL9 6LB
Received 17 May 2013
Decided - Granted6/2022/1440/LAWP
Certificate of lawfulness for hip to gable extension, rear dormer, front rooflight
77 Stonecross Road Hatfield Hertfordshire AL10 0HP
Received 21 Jun 2022
Decided - GrantedS6/2006/0680/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
61 Bramble Road Hatfield AL10 9RZ
Received 26 May 2006
Decided - GrantedN6/2015/1217/FP
Erection of a single storey rear extension
6 Marsden Road Welwyn Garden City AL8 6XZ
Received 8 Jun 2015
Decided - WithdrawnS6/2014/1468/LB
Erection of part two storey, part single storey rear extensions constructed of render underneath lead roof, installation of new window to west elevation, and new brick wall and timber gate following demolition of lean to single storey side element and retaining wall
Hill House, Wild Hill, Hatfield, AL9 6EB
Received 2 Jul 2014
Decided - Refused6/2023/0009/LAWP
Certificate of lawfulness for the erection of single storey rear extension and hip to gable loft conversion with rear dormer
331 St Albans Road West Hatfield AL10 9RN
Received 3 Jan 2023
Decided - Granted6/2020/0657/HOUSE
Erection of single storey front extension and alterations to fenestrations
17 High Oaks Road Welwyn Garden City AL8 7BJ
Received 9 Mar 2020
Decided - GrantedW6/2007/0760/EM
FIRST FLOOR EXTENSION.
54 Sherrardspark Road, Welwyn Garden City, AL8 7LB
Received 15 May 2007
Decided - GrantedN6/2015/0371/TP
Fell Six Sweet Chestnut trees covered by TPO 113
4 Pine Crest Welwyn AL6 0EQ
Received 25 Feb 2015
Decided - RefusedN6/2006/0504/FP
ERECTION OF 3METRE HIGH SECURITY FENCE
Unit 3 Hearle Way Hatfield AL10 9EW
Received 19 Apr 2006

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