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

39,879Searchable applications

298Recorded as pending

86%Approval rate · 33,434 approved or refused records

4,779Refused applications

28,655 approved · 4,779 refused · 2,190 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/3433/HOUSE
Erection of a single storey side extension
69 Leigh Common Welwyn Garden City AL7 4NG
Received 23 Dec 2020
Decided - Granted6/2021/2235/HOUSE
Erection of single storey rear extension.
348 Howlands Welwyn Garden City AL7 4HD
Received 26 Jul 2021
Decided - GrantedN6/2013/1889/TP
Reduce and lift crown by 25% London Plane T2 covered by TPO 219
12 New Road Digswell Welwyn AL6 0AG
Received 30 Aug 2013
Decided - GrantedS6/2015/0957/FP
Erection of single storey rear extension
14 Oak Grove Hatfield AL10 8DN
Received 5 May 2015
Decided - WithdrawnN6/2006/1723/FP
ERECTION OF A TWO STOREY SIDE EXTENSION, AND FIRST FLOOR REAR EXTENSION
23 Sheepcote Welwyn Garden City AL7 4QA
Received 2 Jan 2007
Decided6/2018/1083/TPO
Fell 13 x Conifer trees, 1 x Yew tree and 1 x Walnut tree and reduce 1 x Holly tree by 25 % - conservation area
5 Beehive Lane Welwyn Garden City AL7 4BB
Received 25 Apr 2018
Decided - Granted6/2021/0660/HOUSE
Erection of rear extension following demolition of existing conservatory
9 Ellesfield Welwyn AL6 9HB
Received 1 Mar 2021
Decided - Granted6/2022/1018/EMT
To cut down (20 meters or so) conifers at the end of the garden, backing onto Longcroft Lane properties and 2 Parkfields
6 Parkfields Welwyn Garden City AL8 6ED
Received 29 Apr 2022
Decided - Granted6/2016/0955/EM
Replacement and extension of driveway
35 Bridge Road Welwyn Garden City AL8 6UG
Received 16 May 2016
Decided - Granted6/2015/2549/VAR
Variation of condition 2 (drawings) and condition 3 (materials) on planning permission S6/2014/2220/FP
15 Cedar Road Hatfield AL10 8NZ
Received 21 Dec 2015
Decided - Granted6/2019/2854/COND
Submission of details pursuant to condition 1 (proposed timber frame and door furniture colour) on application 6/2019/2117/LB
28 High Street Welwyn AL6 9EQ
Received 12 Nov 2019
Decided - Withdrawn6/2017/2541/TPO
Remove deadwood and reduce low limb by 1 metre on 1 x Cherry tree and reduce back of 1 x sycamore from neighbour property by 1.5m - Conservation Area
2 Coneydale Welwyn Garden City AL8 7RY
Received 2 Nov 2017
Decided - Granted6/2026/0333/EM
Installation of an EV charger to the front of the property by the drive
6 The Quadrangle Welwyn Garden City AL8 6SG
Received 23 Feb 2026
Decided - GrantedW6/2004/1305/EM
ERECTION OF REAR CONSERVATORY
24 Knella Green, Welwyn Garden City, AL7 3NL
Received 24 Aug 2004
Decided - GrantedN6/2014/0776/TP
Crown Lift of 7 - 8 metres to Sweet Chestnut and Oak trees covered by TPO 1156 (G6)
6 Hertford Road Digswell Welwyn AL6 0DE
Received 10 Apr 2014
Decided - Granted6/2022/1717/EM
Retrospective consent request for single-story extension with black windows, black pipework, and previously approved replacement hedge and new gate.
2 Broadfield Place, Welwyn Garden City, AL8 6LJ
Received 20 Jul 2022
Decided - GrantedN6/2015/0456/FP
Garage conversion incorporating alterations to the front elevation including infilling the garage door and replacing with a window
13 The Swallows, Welwyn Garden City, AL7 1BX
Received 4 Mar 2015
Decided - GrantedW6/2013/1212/EM
Insertion of window in side elevation at first floor level
11 Russellcroft Road, Welwyn Garden City, AL8 6QY
Received 14 Jun 2013
Decided - Granted6/2023/0723/FULL
Retention of modular build (2 classrooms) on permanent basis
Commonswood School The Commons Welwyn Garden City AL7 4RU
Received 30 Mar 2023
Decided - Granted6/2019/2215/LAWP
Certificate of lawfulness for the erection of a single storey side extension, hip-to-gable loft conversion, installation of rear dormer with Juliette balcony, insertion of gable end window and installation two front facing roof lights
138 Stonecross Road Hatfield AL10 0HS
Received 6 Sept 2019
Decided - Granted6/2015/2383/FULL
Change of use of No's 3a - 3b from Class A1 (shops) to Class (A3 Restaurant & cafe), amalgamation of units 1-3 to create a single Class A3 unit. Installation of extraction and ventilation, new shopfront, awning and outdoor seating, with associated refuse storage.
1 Howardsgate Welwyn Garden City AL8 6AL
Received 23 Nov 2015
Decided - Granted6/2019/1584/COND
Submission of details pursuant to condition 6 (Hard and Soft Landscaping), 9 (Accessible Housing) on planning permission 6/2018/2472/MAJ
Accord House Bridge Road East AL7 1HX
Received 28 Jun 2019
Decided - Refused6/2021/0300/EM
Erection of first floor rear extension over existing ground floor extension
68 Peartree Lane Welwyn Garden City AL7 3UH
Received 1 Feb 2021
Decided - Granted6/2024/0459/LB
The creation of two new door openings into the walled garden
Northaw House Coopers Lane Northaw Potters Bar EN6 4NG
Received 11 Mar 2024

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