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

40,066Searchable applications

298Recorded as pending

86%Approval rate · 33,604 approved or refused records

4,797Refused applications

28,807 approved · 4,797 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/0991/HOUSE
Erection of a part single, part two storey rear extension and a single storey side extension, partial conversion of existing garage and alterations to fenestration. Work to also include reduction in height of existing chimney, removal of existing chimney sub-stack to rear of property, erection of garden shed and extension of existing driveway
20 Beehive Green Welwyn Garden City AL7 4BG
Received 1 May 2020
Decided - GrantedS6/2010/0135/FP
RETENTION OF FIRST FLOOR REAR EXTENSION
21 Cedar Road Hatfield AL10 8NZ
Received 25 Jan 2010
Decided - Granted6/2022/2684/EMT
1 x Cherry to dismantle dead rear stem down to union, see annotated pic
44 Longcroft Lane Welwyn Garden City AL8 6EF
Received 24 Nov 2022
Decided - Refused6/2019/1997/HOUSE
Erection of a first floor side extension
3 Brickfield Hatfield AL10 8TN
Received 12 Aug 2019
Decided - Granted6/2020/2079/EMT
Fell of up to 6 conifer trees planted on boundary
395 Knightsfield, Welwyn Garden City, AL8 7LY
Received 17 Aug 2020
Decided - GrantedN6/2014/1228/FP
Demolition of existing garages and erection of three single storey dwellings and associated access, parking and landscaping.
Garages at Burycroft, Welwyn Garden City, AL8 7AW
Received 2 Jun 2014
Decided - Granted6/2025/2275/LAWP
Certificate of lawfulness for the erection of a single-storey detached garden room within the rear garden of the property, to be used as a home office/leisure space
10 Bluebell Way Hatfield AL10 9FJ
Received 27 Oct 2025
Decided - Granted6/2017/0422/TPO
1 x Lime to reduce by 4-5m in height and 3.5m in width 1 x Sycamore (located in 24 Youngs Rise) reduce lateral overhang over garden of 57 Valley Road by 3-4m - Conservation Area
57 Valley Road Welwyn Garden City AL8 7DH
Received 6 Mar 2017
Decided - Granted6/2022/1024/HOUSE
Erection of a single storey mono pitch roof extension (following demolition of existing structure) and alterations to wall.
28 Lemsford Village Welwyn Garden City AL8 7TN
Received 3 May 2022
Decided - Granted6/2021/0758/TPO
Remove deadwood from 1x Acacia Tree and lift to 5m
7 Manor Road Hatfield AL10 9LN
Received 9 Mar 2021
Decided - GrantedS6/2009/1072/FP
ERECTION OF A SINGLE STOREY OFFICE BUILDING
LAND TO THE REAR OF, 2, 2A & 4 DELLSOME LANE & 131 DIXONS HILL ROAD, WELHAM GREEN, HATFIELD, HERTS, AL9 7NF
Received 21 May 2009
Decided - Granted6/2015/1814/EM
Extension of existing vehicular hardstanding
1 Hawthorns, Welwyn Garden City, AL8 7SE
Received 26 Aug 2015
DecidedS6/2010/0375/DS
DISCHARGE OF CONDITIONS 4 (MICROGRAVITY SURVEY) & 5 (SOFT & HARD LANDSCAPING DETAILS) FROM PLANNING PERMISSION S6/2009/2697/FP
PRINCE EDWARD HALL, UNIVERSITY OF HERTFORDSHIRE, COLLEGE LANE, HATFIELD, HERTFORDSHIRE, AL10 9PN
Received 24 Feb 2010
Decided - GrantedC6/1988/7061/AD
Non illuminated sign and 2 flagpoles
Land off, Cole Green Lane, Welwyn Garden City, AL7 3PW
Received 4 Apr 1988
Decided - GrantedW6/2009/1760/EM
FORMATION OF VEHICLE HARDSTANDING
13 HARWOOD HILL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AA
Received 12 Aug 2009
Decided - Granted6/2015/2392/VAR
Variation of condition 2 (drawings) on planning application S6/2014/1963/FP
14 Northaw Road West, Northaw, Potters Bar, EN6 4NR
Received 26 Nov 2015
Decided - RefusedW6/2007/0467/EM
ERECTION OF REPLACEMENT FRONT PORCH AND REPLACEMENT GATE TO SIDE ELEVATION
31 Sherrardspark Road, Welwyn Garden City, AL8 7JW
Received 20 Mar 2007
Decided6/2025/0395/TC
1 x Bay to reduce height by approximately 1.5m 1 x Apple (larger tree) to reduce back to previous pruning points 1.5m height & width 1 x Apple to reduce back to previous pruning points 1.5m height & width
1 Honeycroft Welwyn Garden City AL8 6HR
Received 28 Feb 2025
Decided - Granted6/2026/0354/HOUSE
Erection of single storey rear extension following demolition of conservatory
373 Knightsfield Welwyn Garden City AL8 7NB
Received 26 Feb 2026
Decided - Granted6/2025/0779/HOUSE
Erection of single storey side extension, raising of roof, installation of six front rooflights and a rear dormer to facilitate the conversion of the loft to habitable space
10 Sutherland Way Cuffley Potters Bar EN6 4EG
Received 25 Apr 2025
Decided6/2016/2243/TPO
Reduce privet hedge by 50% - Conservation Area
23 Templewood Welwyn Garden City AL8 7HT
Received 11 Oct 2016
Decided6/2019/0011/TPO
Fell 1 x Cypress, covered by conservation area
5 Fearnley Road Welwyn Garden City AL8 6HW
Received 3 Jan 2019
Decided - Granted6/2023/2556/EM
Installation of 7 solar panels to rear roof
11 Homerfield Welwyn Garden City AL8 6QZ
Received 22 Dec 2023
Decided - GrantedN6/2009/2147/TC
REMOVAL OF DAMSON TREE AND REPLACEMENT WITH CONTINUATION OF BEECH HEDGE
131 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA
Received 30 Sept 2009

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
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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