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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1852/HOUSE
Erection of a single storey rear extension
5 Cornflower Way Hatfield AL10 9FY
Received 16 Jul 2018
Decided - Granted6/2021/3361/VAR
Variation of condition 2 (changes to approved enclosure screen) on planning permission 6/2021/1787/FULL
Hatfield Swim Centre Lemsford Road Hatfield AL10 0RU
Received 29 Nov 2021
Decided - GrantedS6/2014/0244/NM
Non material amendment following approval of planning permission S6/2011/1001/MA - Internal alterations to increase the number of bed spaces from 111 to 116 (all changes within Block A) and replacement of clear glazed windows with opaque windows/panels to facilitate use of room at the front of Block A as 2 bedspaces
46 The Common Hatfield AL10 0LU
Received 12 Feb 2014
Decided - WithdrawnN6/2004/0060/FP
ERECTION OF TWO STOREY REAR EXTENSION,AND GARAGE AND FORMATION OF VEHICLE CROSS-OVER
34 Great North Road Welwyn AL6 0PS
Received 16 Jan 2004
Decided - GrantedN6/2013/0296/TE
Reduce Beech tree by 2 metres and remove deadwood
9 Homerfield, WELWYN GARDEN CITY, AL8 6QZ
Received 13 Feb 2013
Decided6/2025/0546/TC
T1 oak remove epicormic growth from stem. T2 & T3 holly to fell. G1 beech to fell 4 stems.
15 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 21 Mar 2025
Decided - Granted6/2024/0794/HOUSE
Erection of a single storey mono-pitched outbuilding to adjoin existing outbuilding
15 The Crescent Welwyn AL6 9JG
Received 29 Apr 2024
Decided - Granted6/2016/0456/EM
Single storey rear extension
14 Picketts, Welwyn Garden City, AL8 7HJ
Received 10 Mar 2016
Decided - Granted6/2025/0953/TPO
Reduce 1 x Oak Tree by 2m
Howe Dell Manor Old Rectory Drive Hatfield AL10 8AE
Received 22 May 2025
Decided - Granted6/2022/1985/EMT
1 x Pear to reduce by 0.5m height & width 2 x Apples to reduce by 1.2m height & 1m width
121 Handside Lane Welwyn Garden City AL8 6TA
Received 25 Aug 2022
Decided - Granted6/2020/0503/EM
Reduce 1 x Hornbeam by 4m height & 2m width
60 Sweet Briar Welwyn Garden City AL7 3DY
Received 21 Feb 2020
Decided - GrantedN6/2014/1979/LUP
Certificate of lawfulness for proposed replacement outbuildings following demolition of barn
2 Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE
Received 5 Sept 2014
Decided - Granted6/2020/1682/ADV
Proposed illuminated light box with 'Caribbean Passion' graphic vinyl
8 Harpsfield Broadway Hatfield AL10 9TF
Received 13 Jul 2020
Decided - Granted6/2018/2333/EM
Erection of rear shed
15 Hillside Welwyn Garden City AL7 4PZ
Received 12 Sept 2018
Decided - Granted6/2019/1540/HOUSE
Erection of a single storey side and rear extension
2 Great Break Welwyn Garden City AL7 3EZ
Received 24 Jun 2019
Decided - Withdrawn6/2018/3172/HOUSE
Relocation of front entrance doors to form entrance hall in existing bay window/store, installation of rear dormers to facilitate loft conversion and alterations to openings
29 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 12 Dec 2018
Decided - GrantedC6/1988/0175/FP
Single storey side extension
14 The Quadrangle, Welwyn Garden City, AL8 6SG
Received 1 Jan 1988
Decided - Granted6/2018/3002/EM
To Lift crown of conifer situated in front garden to the left of the entrance gate .Remove lowest 2 to 3 branches overhanging the public pavement on Barleycroft Road and lowest 1 or 2 branches over front garden.
44 Barleycroft Road Welwyn Garden City AL8 6JU
Received 23 Nov 2018
Decided - Granted6/2019/2903/EM
Formation of hardstanding
8 Picketts Welwyn Garden City AL8 7HJ
Received 19 Nov 2019
Decided - Granted6/2024/0371/LAWP
Certificate of lawfulness for hip to gable roof alteration, rear dormer window and front facing roof lights to facilitate a loft conversion
6 Bridge Road Woolmer Green SG3 6JG
Received 27 Feb 2024
Decided - Granted6/2022/1179/EMT
Reduce 1 x Eucalyptus in height leaving the tree approximately 6m above ground level.
49 Broomhills, Welwyn Garden City, AL7 1RE
Received 23 May 2022
Decided - GrantedN6/2004/0215/FP
EXTENSION OF EXISTING CONSERVATORY
9 Longcroft Gardens Welwyn Garden City AL8 6JR
Received 16 Feb 2004
Decided - GrantedN6/2013/1950/TC
Removal of Christmas tree from front garden
6 High Oaks Road, WELWYN GARDEN CITY, AL8 7BH
Received 22 Aug 2013
Decided - GrantedW6/2007/1387/EM
FORMATION OF VEHICULAR HARDSTANDING AND THE REPLACEMENT OF EXISTING HEDGE WITH WOODEN FENCING
5 The Valley Green Welwyn Garden City AL8 7DQ
Received 20 Sept 2007

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