Welwyn Hatfield Borough Council

Application Type HOUSEHOLDER APPLICATION	Status Under Consultation
Case Officer Mr Raymond Lee	Case Officer Email r.lee@welhat.gov.uk
Location 16 Marlborough Close Welwyn AL6 0UG	Proposal Erection of first floor front dormer extension, replacement roof to existing front dormer, enlargement of rear dormer, enlargement of front porch and garage conversion. Alterations to the fenestration and internal alterations, re tile house and render existing brickwork
Easting 524938	Northing 217755
Ward Welwyn East	Ward Members Councillor Roger Trigg Councillor Julie Cragg Councillor Terry Mitchinson
Parish Welwyn	UPRN 100080989552
Date Received 08/09/2025	Date Valid 08/09/2025
Advert Expiry Date	Public Consultation Expiry 16/10/2025
Site Notice Expiry Date
Agent Mr Russell Blackman	Applicant Mr Russell Blackman
Agent's Address 10a Willowside London Colney St.Albans AL2 1DP	Applicant's Address 10a Willowside London Colney St.Albans AL2 1DP

Description	Distance
Sand and Gravel Minerals Safeguarding Area	0.00
Parish	0.00
Rights of Way	0.75
Rights of Way	38.14
Hertfordshire Ecological Network	0.00
Great Crested Newts DLL Risk Zones	0.00

View the location of this application on an Ordnance Survey map

Decision	Decision Date
Issue Date	Decision Level Delegated
Committee Date

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Select All	File	Description	Date Uploaded
Application Form - Without Personal Information
	File: ApplicationFormRedacted.pdf (258 kb)	Description: Applicationformredacted	Created Date: 08/09/2025
Location Plan
	File: LocationPlan.pdf (375 kb)	Description: Location plan	Created Date: 08/09/2025
Plans
	File: 25 - 195 - 1 Existing Floor Plans.pdf (40 kb)	Description: Existing Floor Plans	Created Date: 08/09/2025
	File: 25 - 195 - 2 Existing Elevations.pdf (17 kb)	Description: Existing Elevations	Created Date: 08/09/2025
	File: 25 - 195 - 3 Proposed Floor plans.pdf (44 kb)	Description: Proposed Floor Plans	Created Date: 08/09/2025
	File: 25 - 195 - 4 Proposed Elevations.pdf (59 kb)	Description: Proposed Elevations	Created Date: 08/09/2025
	File: 25 - 195 - 5 Site - Block Plan.pdf (17 kb)	Description: Site Block Plan	Created Date: 08/09/2025
	File: 25 - 195 - 6 Existing and Proposed Roof Plans.pdf (71 kb)	Description: Existing And Proposed Roof Plans	Created Date: 08/09/2025
Consultee Response
	File: Comments.pdf (75 kb)	Description: Comment - Welwyn Parish Council	Created Date: 01/10/2025

Organisation	Name	Sent	Reply Due
Welwyn Parish Council	Arooj Afzal	25/09/2025	16/10/2025
Welwyn Hatfield Borough Council	Councillor Julie Cragg	25/09/2025	16/10/2025
Welwyn Hatfield Borough Council	Councillor Roger Trigg	25/09/2025	16/10/2025
Welwyn Hatfield Borough Council	Councillor Terry Mitchinson	25/09/2025	16/10/2025
Welwyn Hatfield Borough Council	Landscapes Department	25/09/2025	16/10/2025
Hertfordshire Ecology	Martin Hicks	25/09/2025	16/10/2025

Address	Date Sent	Expiry Date
7 Marlborough Close Welwyn AL6 0UG	25/09/2025	16/10/2025
9 Marlborough Close Welwyn AL6 0UG	25/09/2025	16/10/2025
14 Marlborough Close Welwyn AL6 0UG	25/09/2025	16/10/2025
18 Marlborough Close Welwyn AL6 0UG	25/09/2025	16/10/2025
17 Robbery Bottom Lane Welwyn AL6 0UL	25/09/2025	16/10/2025
19 Robbery Bottom Lane Welwyn AL6 0UL	25/09/2025	16/10/2025

Application Number	Proposal	Decision	Distance
6/2025/1058/TPO	Reduce 1 x Oak by 30% Crown reduction (T12) and crown lift to 4m from ground level Reduce 1 x Ash by 20% (G2) Reduce 1 x Oak by 20% (G2) Covered by TPO 643	Granted
6/2021/1409/HOUSE	Demolition of existing rear terrace and construction of part side, part rear double storey extension with associated dormer windows and single storey front extension.	Granted	2
643 (2017)	for the continued amenity of the area following a review of the landscape.		0
6/2015/1754/TPO	Fell Oak tree covered by TPO 24	Granted
N6/2011/1333/TP	Crown reduce Oak tree covered by TPO24 Area 3 by 30%	Granted	0
N6/2008/0625/FP	ERECTION OF SINGLE STOREY FRONT EXTENSION	Granted	0
N6/2005/0695/FP	ERECTION OF DWELLING AND DETACHED GARAGE AND CARPORT(VARIATION OF PLANNING PERMISSION N6/2004/1642/FP)	Granted	2
N6/2004/1642/FP	ERECTION OF TWO DETATCHED DWELLINGS WITH GARAGES AND CARPORTS	Granted	2
N6/2004/0325/OP	OUTLINE APPLICATION FOR THE ERECTION OF TWO DETACHED DWELLINGS, SITING AND MEANS OF ACCESS, FOLLOWING DEMOLITION OF EXISTING BUNGALOW	Granted	2
N6/2004/0023/OP	DEMOLITION OF EXISTING BUNGALOW AND ERECTION OF TWO DETACHED CHALET STYLE BUNGALOWS	Withdrawn	2
N6/2003/1527/TP	FELLING OF OAK TREE COVERED BY TPO 24 AREA 3	Granted	0
N6/2002/1425/FP	ALTERATION TO GARAGE ROOF TO PROVIDE GABLE END	Granted	2
N6/2002/1382/OP	OUTLINE PERMISSION FOR THREE NEW DETACHED DWELLINGS	Withdrawn	2
N6/2002/1254/OP	OUTLINE APPLICATION FOR THE ERECTION OF SIX DETACHED DWELLINGS, SITING AND MEANS OF ACCESS	Withdrawn	2
N6/2001/1394/FP	INSTALLATION OF SWIMMING POOL	Granted	2
N6/2000/1576/FP	REPLACEMENT DWELLING WITH DETACHED GARAGE	Granted	2
N6/2000/1547/TP	15% CROWN REDUCTION AND 10% CROWN THIN OF OAK TREE T1, AND 25% CROWN REDUCTION TO OAK TREE T2, COVERED BY TPO 24 (AREA3)	Granted
N6/2000/1191/TP	WORKS TO OAK TREE COVERED BY TPO 24, AREA 3	Granted	0
N6/2000/0402/FP	SINGLE STOREY SIDE EXTENSION	Granted	0
N6/1996/0594/TP	Reduction of crown by 1.5 metres on side nearest to property, trim and shape to balance of one European Oak covered by TPO 24 (Area 3)	Granted
N6/1990/0098/TP	Thin crown of Oak closest to No.20 by up to 20%, thin crown of Oak nearest No.16 by up to 30% and clean stem and clean stem of Chestnut all in rear garden	Granted	0
24 (1976)	For the continued amenity of the land.		0

There are no NMAs associated with this application

Planning Application: 6/2025/1921/HOUSE