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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/2377/HOUSE
Erection of single storey rear extension
31 Longcroft Lane Welwyn Garden City AL8 6EB
Received 27 Nov 2023
Decided - Granted6/2024/0134/EMT
1 x Hornbeam to remove 2 x limbs overhanging property to the rear. To shorten 2 pendulous branches by 1.5m overhanging to the rear
7 Coneydale Welwyn Garden City AL8 7RX
Received 24 Jan 2024
Decided - GrantedW6/2004/0410/EM
INSERTION OF REAR VELUX WINDOW, FLANK GABLE WINDOW AND REMOVAL OF CHIMNEY.
116 Boundary Lane Welwyn Garden City AL7 4DL
Received 22 Mar 2004
Decided - Refused6/2019/1076/HOUSE
Erection of two-storey side, front and single-storey rear extension following demolition of existing garage. Installation of rear dormer to facilitate a loft conversion and alteration to frontage.
48 Bramble Road, Hatfield, AL10 9SA
Received 3 May 2019
Decided - Granted6/2019/1136/HOUSE
Erection of two-storey infill side and rear extension, with alterations to existing openings
1 Polayn Garth Welwyn Garden City AL8 7DJ
Received 10 May 2019
Decided - Granted6/2026/0159/EM
Erection of a single storey rear extension, first floor rear extension, removal of existing roof and replacement roof with loft and crown roof. New dormers and alterations to openings
8 Mannicotts Welwyn Garden City AL8 7BW
Received 30 Jan 2026
Decided - Granted6/2018/1726/COND
Submission of details pursuant to condition 2 (Glazing scheme and ventilation) & 3 (Sound Insulation scheme) on planning permission 6/2017/2896/FULL
8 Howardsgate Welwyn Garden City AL8 6BQ
Received 29 Jun 2018
Decided - Granted6/2024/2187/TPO
Reduce T1 sweet chestnut crown by 3m and reduce back crown to previous pruning points approximately 2-3m (covered by TPO 711 (2017) T1)
1 Harvest Court Welwyn AL6 0NG
Received 12 Nov 2024
Decided - Granted6/2024/2384/COND
Submission of details pursuant to Condition 1 (CTMP) Condition 2 (Bird Bat Swift Box) Condition 3 (external plant and equipment) Condition 4 (External Landscaping) Condition 5 (Material Sample) Condition 6 (EV charging) and Condition 7 (sustainability statement) on planning permission 6/2023/1665/FULL
4 Little Ley Welwyn Garden City AL7 4TN
Received 13 Dec 2024
Decided - Granted6/2021/0062/TPO
30% reduction of Spruce and Beech
35 Mardley Avenue Welwyn AL6 0TU
Received 11 Jan 2021
Decided - Granted6/2017/0154/TPO
Reduce height of Cherry tree in back garden by 3 metres and radius by 1.5 metres, plus removal of Juniper blue heaven tree - Conservation Area
19 Reddings Welwyn Garden City AL8 7LA
Received 27 Jan 2017
Decided - Granted6/2020/0446/EM
Fell 1 x Leyland
171 Knightsfield Welwyn Garden City AL8 7QG
Received 14 Feb 2020
Decided - Granted6/2019/1864/EM
Fell 1x Fir Tree
69 Beehive Lane Welwyn Garden City AL7 4BN
Received 30 Jul 2019
Decided - Withdrawn6/2017/0348/LAWP
Certificate of lawfulness for the erection of rear extension with flat roof 3.9m deep x 6.214m wide x 3.08m high
8 Huggins Lane Welham Green Hatfield AL9 7LR
Received 23 Feb 2017
Decided - Granted6/2022/0198/EMT
1 x Whitebeam to fell to below hedge height - Tree is dead and over a public footpath
17 Monks Rise Welwyn Garden City AL8 7NF
Received 27 Jan 2022
Decided - GrantedW6/2007/0686/EM
ERECTION OF FIRST FLOOR EXTENSIONS AND SINGLE STOREY SIDE EXTENSION
66 Blakemere Road, Welwyn Garden City, AL8 7PN
Received 2 May 2007
Decided - Granted6/2021/1769/LAWP
Certificate of lawfulness for change of use from old Class A2 (financial and professional services) to old Class A3 (restaurants and cafes), both now contained in the New Class E (A2 now Ec and A3 now Eb).
1 Church Street Welwyn AL6 9LL
Received 7 Jun 2021
Decided - Granted6/2016/1162/LAWE
Certificate of lawfulness for the existing single storey rear extension and first floor dormer window
2 Elmoor Close Welwyn AL6 9PF
Received 13 Jun 2016
Decided - GrantedS6/2013/2050/DS
Discharge of condition 12 (Investigation & Stabilisation/ Method Statement/Specification) of planning permission S6/2012/1181/MA - Alterations comprising refurbishment and extension to Prince Edward Hall to provide a new reception area and student/visitor cafe, refurbish and extension to the Hutton Building and Hutton Hall to accommodate the consolidation and co-location of staff and student facilities, including a new extension within the existing quadrant. Alterations to pedestrian routes and the landscaped setting of the buildings, including an improved heritage walkway linking these two focuses of activity (Comprising Phase 1 of the development identified in the University of Hertfordshire 2020 Estate Vision)
University of Hertfordshire, College Lane, Hatfield, AL10 9AB
Received 19 Sept 2013
Decided - Refused6/2021/0084/HOUSE
Erection of single storey rear extension and alterations to fenestration including the installation of a juliet balcony.
5 Great North Road Hatfield AL9 6LB
Received 12 Jan 2021
Decided6/2026/0754/TC
The Tree (T1) reduction is for the Cherry Tree, with 2-4m of reduction to be carried out to maintain tree health due to proximity to properties & additional light in garden. The removal requested is for an old dead stump & Cotoneaster (T2/3), which will lead to replanting in more suitable areas to allow for shed replacement
43 Beehive Lane Welwyn Garden City AL7 4BJ
Received 29 Apr 2026
Decided - Refused6/2017/1986/EM
Erection of single storey rear/side infill extension and part single storey, part two storey side extension
9 Youngs Rise Welwyn Garden City AL8 6RT
Received 5 Sept 2017
Decided - GrantedN6/2005/1580/TP
WORKS TO TREES COVERED BY TPO 138
26 Robbery Bottom Lane Welwyn AL6 0UW
Received 21 Dec 2005
Decided - Refused6/2023/2120/FULL
Demolition of bungalow and car wash to allow for the creation of charging zone with the erection of EV chargers, canopy, three jet wash bays, sub-station enclosure, plant room and change of use of a vehicle workshop to an EV testing facility with associated forecourt works
The Bungalow and Bell Bar Service Station Great North Road Hatfield AL9 6DB
Received 19 Oct 2023

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

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Guides to planning records

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Planning permission drawings: how to read plans
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Published 6 Aug 2026Updated 13 Sept 2026
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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