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

39,439Searchable applications

344Recorded as pending

86%Approval rate · 32,995 approved or refused records

4,716Refused applications

28,279 approved · 4,716 refused · 2,161 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2735/COND
Submission of details pursuant to condition 7 (cycle storage) on planning permission 6/2019/2782/VAR
Plot 6000, Land Adjacent to Porsche Garage, Hatfield House, Hatfield Business Park, Hatfield, AL10 9UA
Received 22 Sept 2021
Decided - Granted6/2021/3421/HOUSE
Erection of single storey rear extension and associated alterations. Single and two storey side extension to replace existing garage. Complete re-roofing of property with slates and removal of chimney. Render to front, side and rear of property and new fenestration installed in existing 1st floor rear extension.
29 The Grove Hatfield AL9 7RL
Received 7 Dec 2021
Decided - Granted6/2023/1553/TPO
T1-London Plane-Crown reduce all round by 3-4 metres to maintain size and shape.
Churchfield House Guessens Road Welwyn Garden City AL8 6RJ
Received 10 Jul 2023
Decided6/2023/1836/TC
T1 Fell dead cherry tree in back garden. T2 Oak prune 3 or 4 branches low hanging large 15/20%. T3 Prune acer tree 1 branch 20% as its meeting the branches of the oak tree.
20 Coneydale Welwyn Garden City AL8 7RZ
Received 4 Sept 2023
Decided - Granted6/2019/1842/ADV
Installation of 1 x non-illuminated wall mounted sign
Tower Block Campus West The Campus Welwyn Garden City AL8 6BX
Received 26 Jul 2019
Decided - Granted6/2020/1388/EMT
Reduce 1 x Cherry tree by 4m height and 3m width
3 Tilecroft Welwyn Garden City AL8 7QY
Received 17 Jun 2020
Decided - Granted6/2019/2836/COND
Submission of details pursuant to condition 5 (cycle parking) on planning permission 6/2018/1922/FULL
Premier Inn Stanborough Road Welwyn Garden City AL8 6DQ
Received 8 Nov 2019
Decided6/2023/0511/TC
T1 - Silver Birch tree - Reduce Silver birch tree by approx 30% and lift 1.5m all round to make clear for cars and balance the tree.
22 Digswell Road Welwyn Garden City AL8 7PA
Received 7 Mar 2023
Decided - Granted6/2020/1667/EMT
Reduce 1 x Ash by 3m height & 1.5m width
62 Sweet Briar Welwyn Garden City AL7 3DY
Received 10 Jul 2020
Decided - Granted6/2019/1453/HOUSE
Retrospective application for the erection of a timber framed annexe
83 Heathcote Avenue Hatfield AL10 0RL
Received 17 Jun 2019
Appeal Decided - DismissedS6/2004/0928/FP
ERECTION OF FRONT BOUNDARY WALL AND GATES
8 The Grove Brookmans Park Hatfield AL9 7RN
Received 18 Jun 2004
Decided - Granted6/2025/0924/LAWP
Certificate of lawfulness for the erection of outbuilding
Northwood Lodge Digswell Place Rectory Road Welwyn Garden City AL8 7SU
Received 19 May 2025
Appeal Decided - AllowedN6/2014/1176/FP
Erection of two storey and single storey side extensions
23 Summer Dale, Welwyn Garden City, AL8 7QH
Received 23 May 2014
Decided - Granted6/2018/2191/LB
Erection of an orangery following the demolition of existing conservatory. Internal alterations to include works to the rear ground floor and first floor and external works including a terrace and alterations to render, chimney repairs and alterations to openings
The Old Vicarage North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TN
Received 23 Aug 2018
Decided - GrantedN6/2004/1741/AD
INSTALLATION OF ILLUMINATED 2NO FASCIA SIGNS AND 2NO PROJECTING SIGNS
SOMERFIELD STORE, COLE GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3PU
Received 24 Nov 2004
Decided - GrantedN6/2015/0591/HH
Prior approval for a proposed single storey rear extension
25 Ravenfield Road, Welwyn Garden City, AL7 3UE
Received 19 Mar 2015
Decided - WithdrawnS6/2008/0501/MA
DEMOLITION OF ATCOST BARNS, REMOVAL OF BUILDERS YARD AND HARDSTANDINGS. REPAIR AND RESIDENTIAL CONVERSION OF HISTORIC STOCK BUILDINGS TO CREATE SIX (FIVE x TWO BED, ONE X 3 BED) DWELLINGS AND CONSTRUCTION OF FIVE, THREE BED TERRACE HOUSES WITH ASSOCIATED PARKING AND LANDSCAPING
LOWER WOODSIDE FARM LOWER WOODSIDE, WILDHILL ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6DH
Received 4 Mar 2008
Decided - Withdrawn6/2021/3158/HOUSE
Erection of a single storey extension above existing detached garage for use as an office
The Spinney High Road Essendon Hatfield AL9 6HP
Received 4 Nov 2021
Decided - Granted6/2024/1808/EMT
Removal of pine tree
23 Blythway AL7 1DJ
Received 19 Sept 2024
Decided6/2025/2378/TC
Reduce 2 x Apple Tree by 2.5m in height and 1.5m in width
15 Moorend Welwyn Garden City AL7 4QL
Received 12 Nov 2025
Decided - GrantedN6/2014/0569/TC
To fell a cherry and conifer tree
22 Beehive Lane, Welwyn Garden City, AL7 4BQ
Received 10 Mar 2014
Appeal Decided - Dismissed6/2024/0310/HOUSE
Alterations to the roof, including hipped to gable roof, formation of rear dormer and installation of windows to front roofslope
1 Oaklands Wood Hatfield AL10 8LU
Received 16 Feb 2024
Decided - Granted6/2018/2335/EM
Retention of the existing single storey rear extension with reduced height and patio
251 Knightsfield Welwyn Garden City AL8 7RA
Received 12 Sept 2018
Decided6/2017/2753/TPO
Coppice 1x Hornbeam tree over-hanging driveway - Conservation Area
51 Brockswood Lane Welwyn Garden City AL8 7BU
Received 24 Nov 2017

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.
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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.
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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.
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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