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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2008/1568/EM
ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS, DEMOLITION OF EXISTING GARDEN STORE AND FORMATION OF VEHICLE HARD SURFACING
67 NEWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YS
Received 20 Aug 2008
Decided - Granted6/2023/2278/TPO
T1 hornbeam - cut back adjacent property overhang by 30% of branch length, lift low growth to 3m. T2 hornbeam - cut back adjacent property overhang by 30% of branch length, lift low growth to 3m. T4 hornbeam - cut back adjacent property overhang by 30% of branch length, lift low growth to 3m. T6 hornbeam - cut back adjacent property overhang by 30% of branch length, lift low growth to 3m. T7 hornbeam - cut back adjacent property overhang by 30% of branch length, lift low growth to 3m. T9 hornbeam - remove deadwood. T10 birch - remove deadwood. T14 hornbeam - crown reduce by 20% of branch length. T15 hornbeam - lift low growth to 5.1m over entrance carriageway. T16 hornbeam - branch reduction of 20% overall. T17 sever ivy and clear growth around wires by a maximum of 1m. G1 hornbeams - crown reduce by 20% of branch length TPO 928 (2018)
19 Scholars Mews Welwyn Garden City AL8 7JQ
Received 10 Nov 2023
DecidedS6/2015/0856/CD
Register land at Bunchleys, New Barnfield, Hatfield as a Town or Village Green
New Barnfield, Travellers Lane, Hatfield, AL10 8YF
Received 23 Apr 2015
Under Consultation6/2026/1854/EMT
3 x Lawson Cypress to remove to ground level
12 Holly Walk Welwyn Garden City AL8 7EJ
Received 13 Oct 2026
Decided - Withdrawn6/2021/1187/COND
Submission of details pursuant to condition number 1 (materials) on planning permission (6/2017/2942/HOUSE)
11 Longcroft Lane Welwyn Garden City AL8 6EB
Received 13 Apr 2021
Decided - Granted6/2020/1125/EM
Erection of outbuilding
4 Gooseacre Welwyn Garden City AL7 4NB
Received 18 May 2020
Decided - Granted6/2023/1891/TPO
T1 hornbeam - to fell the damaged tree due to safety concerns
17 Turpins Ride Welwyn AL6 0QU
Received 12 Sept 2023
Decided - Refused6/2021/1938/LAWP
Certificate of lawfulness for erection of single storey rear extension.
50 Great Ley Welwyn Garden City AL7 4TL
Received 25 Jun 2021
Decided - Granted6/2017/2746/LB
Extension and refurbishment of the Grade II listed building (Use Class C1) following demolition of existing rear and side extensions. Erection of student accommodation (Sui Generis) with landscaping and associated works.
Comet Hotel St Albans Road West Hatfield AL10 9RH
Received 24 Nov 2017
Decided - WithdrawnS6/2007/0617/FP
ERECTION OF EXTERNAL TENNIS COURT WITH SURROUND FENCING
Lake View Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ
Received 19 Apr 2007
Decided - Granted6/2023/1854/HOUSE
Erection of a single-storey rear extension, removal of chimney and side infill extension
10 Twelve Acres Welwyn Garden City AL7 4TG
Received 6 Sept 2023
Decided - Granted6/2023/0016/HOUSE
Demolition of an existing conservatory and replace with a single-story extension.
29 Selwyn Crescent Hatfield AL10 9NL
Received 4 Jan 2023
Decided - Granted6/2025/1573/HOUSE
Erection of a single storey extension to side and rear
42 Heron Way Hatfield AL10 8QX
Received 21 Jul 2025
Decided - Granted6/2022/1443/HOUSE
Erection of a single storey rear infill extension
19 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 21 Jun 2022
Decided - Granted6/2018/1521/PN8
Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.4m in height and 3m to the eaves
25 Days Mead Hatfield AL10 0SE
Received 4 Jun 2018
Decided - GrantedS6/2008/0620/FP
ALTERATIONS TO ROOF SPACE TO CREATE EIGHT TWO BEDROOM APARTMENTS WITH WORKS TO CYCLE STORE BUILDING AND ANCILLARY WORKS.
DE HAVILLAND HOUSE, ENDYMION MEWS, HATFIELD, HERTFORDSHIRE, AL10 0EW
Received 21 Mar 2008
Decided - Granted6/2022/0192/HOUSE
Conversion of existing loft space to provide accommodation comprising two bedrooms and one bathroom, with a total of three dormer windows to side elevation, one roof light to front elevation and one roof light to rear elevation.
49 Butterwick Way Welwyn AL6 9GH
Received 27 Jan 2022
Decided - Granted6/2017/2830/COND
Submission of details pursuant to condition 1 (external materials), 2 (alterations to openings), 3 (landscaping) and 4 (existing flank window) on planning permission 6/2017/0151/FULL
11 Cranborne Road Hatfield AL10 8AW
Received 1 Dec 2017
Decided - Refused6/2019/0128/PN8
Prior approval for the erection of a single storey rear extension measuring 6.0m in depth, 2.9m in heights, 2.9m to the eaves
6 Hyde Valley Welwyn Garden City AL7 4NA
Received 22 Jan 2019
Decided - Refused6/2017/0282/EM
Erection of two storey side and rear extensions
8 Vine Close Welwyn Garden City AL8 7PS
Received 15 Feb 2017
Decided - Granted6/2015/1654/EM
Erection of shed to rear garden
52 Lemsford Lane, Welwyn Garden City, AL8 6YJ
Received 4 Aug 2015
Decided - Granted6/2026/0677/HOUSE
Erection of front/side porch
31 Crawford Road Hatfield AL10 0PF
Received 16 Apr 2026
Decided - GrantedS6/2008/0130/FP
RETENTION OF SHOP FRONT.
12 Parkhouse Court, HATFIELD, AL10 9RQ
Received 21 Jan 2008
Decided - Granted6/2020/3060/EM
Demolition of existing rear conservatory, to facilitate erection of a single storey rear extension, alterations to fenestration and glazed canopy area.
36 Elm Gardens Welwyn Garden City AL8 6RY
Received 18 Nov 2020

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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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