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

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/1411/COND
Submission of details pursuant to condition 1 (details of crown roof) on planning permission 6/2018/0383/FULL, dated 24/04/2018
8 Hill Rise Cuffley Potters Bar EN6 4EE
Received 29 May 2018
Decided - RefusedN6/2009/1854/FP
RETENTION OF TWO EXISTING METAL CLAD AND TIMBER BUILDINGS AS BUILT FOR THE STORAGE OF MOTOR VEHICLES
Land at Spinney Lane Welwyn AL6 9TB
Received 25 Aug 2009
Decided - Granted6/2024/0022/EM
Installation of a storage unit for a mobility scooter including a hardstanding for access
22 Pinewood Welwyn Garden City AL7 3TL
Received 3 Jan 2024
Decided - Granted6/2026/0278/FULL
Retrospective application for single storey rear extension and installation of extraction flue to rear of the building
9 Harpsfield Broadway Hatfield AL10 9TF
Received 18 Feb 2026
Decided - GrantedS6/2009/1203/FP
ERECTION OF REAR CONSERVATORY
21 Lark Rise Hatfield AL10 8RN
Received 9 Jun 2009
Decided - GrantedW6/2009/2441/EM
INSTALLATION OF NEW PVC DOUBLE GLAZED WINDOW
41 DIGSWELL PARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NW
Received 4 Nov 2009
Decided - Granted6/2021/0303/EM
Erection of loft conversion and installation of 2 x rear facing roof lights following removal of chimney stack
81 Knightsfield Welwyn Garden City AL8 7JE
Received 1 Feb 2021
Decided - Granted6/2023/0692/TPO
TREE 1,2,4,5,6,7,8,9,10 all Castanea sativa. ALL REQUIRE deadwooding, epicormic removal. Tree 4/5 reduce back by 2 metres from house forming nice natural shape. 20 percent thin. Tree 3 Taxodium Distichum - deadwood only Tree 11 Quercus crown clean inc 20 percent thin.
6 Pine Crest Welwyn AL6 0EQ
Received 27 Mar 2023
Decided - RefusedN6/2013/0657/FP
Formation of loft conversion to include dormer and rooflight on rear elevation
15 Dalewood, WELWYN GARDEN CITY, AL7 2JP
Received 27 Mar 2013
Decided - Granted6/2023/0262/LAWE
Certificate of lawfulness for the change of use of agricultural land to B8 (storage or distribution) and retention of barn as a B8 (storage or distribution warehouse) for a period of more than 10-years
Land parcel East of Newgate Street. Barn located south of Lodge Farm with the nearest postcode being SG13 8NQ which is located in East Herts District
Received 3 Feb 2023
Decided - RefusedW6/2008/1399/EM
RETENTION OF VEHICLE HARDSTANDING
73 BROADWATER CRESCENT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TS
Received 12 Aug 2008
Decided - GrantedN6/2013/1449/FP
Erection of rear conservatory
1 Parkway Mews, Welwyn Garden City, AL8 6JD
Received 8 Jul 2013
Decided - GrantedN6/2014/0251/TC
Crown reduce Oak tree by 25%
46 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 4 Feb 2014
Decided - GrantedN6/2008/1874/TP
REMOVAL OF CEDAR OF LEBANON T1 COVERED BY TPO 164
LAND AT DIGSWELL HOUSE, MONKS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AT
Received 2 Oct 2008
Decided - GrantedN6/2014/1114/FP
Alteration to front elevation to replace existing garage door with new window and brickwork
112 Harmer Green Lane Digswell Welwyn AL6 0ET
Received 19 May 2014
Decided6/2018/1284/TPO
Reduce two overhanging limbs of 1 x Eucalyptus tree by 3m and remove 3 x low limbs - Conservation Area
9 Attimore Close Welwyn Garden City AL8 6LN
Received 15 May 2018
Decided - Granted6/2021/0505/COND
Submission of details pursuant to conditions 1 (construction management plan), 2 (surface water drainage) and 7 (details of foundation design of approval) on planning permission 6/2019/1411/MAJ.
H R Owen Mosquito Way Hatfield AL10 9WN
Received 16 Feb 2021
Decided - GrantedW6/2007/1851/EM
INSTALLATION OF ELECTRONIC ROLLER GARAGE DOOR
6 Graysfield, Welwyn Garden City, AL7 4BL
Received 3 Dec 2007
Decided - Granted6/2019/1613/TPO
Crown Raise T3,,T4,T5.T6 by 5m. Fell to ground G1
The Red Lion 11 Digswell Hill Welwyn AL6 9AJ
Received 2 Jul 2019
Decided - GrantedN6/2009/2642/TP
REDUCTION OF TREES ALONG RIVERBANK WITHIN REAR GARDEN BY 20% COVERED BY TPO 48 G2
16 The Green Welwyn AL6 9EA
Received 18 Nov 2009
Decided - Granted6/2024/0358/HOUSE
Erection of single storey rear extension
4 Cylers Thicket Welwyn AL6 9RS
Received 26 Feb 2024
Decided - GrantedS6/2014/0071/DS
Discharge of condition 9 (archaeology evaluation) of planning permission S6/2012/1928/FP
University of Hertfordshire, College Lane, Hatfield, AL10 9AB
Received 13 Jan 2014
Decided - Granted6/2016/1608/HOUSE
Erection of single storey link extension with alterations to openings
9 Russellcroft Road, Welwyn Garden City, AL8 6QY
Received 8 Aug 2016
Decided - Granted6/2026/0603/COND
Submission of details pursuant to condition number 4 (Site Waste Management Plan) on planning permission 6/2024/2418/MAJ
26 Station Road Welham Green Hatfield AL9 7PG
Received 7 Apr 2026

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