Hertfordshire Architects Ltd
Hertfordshire Architects Ltd is an architectural practice in Welwyn. See its accreditations, specialisms and planning track record.
Active on Companies House
07572717
Architectural Activities
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Welwyn, Hertfordshire, AL6
About Hertfordshire Architects Ltd
Hertfordshire Architects Ltd is a network of local architects serving Hertfordshire, specialising in residential and commercial projects. The practice provides comprehensive services from initial design and planning permission through to on-site project management and building completion, with dedicated support and regular client updates throughout the process.
Specialisations
Residential Architects · Commercial Architects
Service Areas
Hertfordshire
Credentials
- ARB registered
Memberships can lapse, so check before work starts.
Planning Application Track Record
18
Applications
92%
Approval Rate
6
Local Authorities
Local Authorities
Barnet
East Hertfordshire
North Hertfordshire
South Cambridgeshire
Stevenage
Tunbridge Wells
Application Types
Extensions
3
Other
1
Commercial
1
Demolition
1
Change of Use
1
Planning Application History (18)
15 of 18 applications have a map location
26/00817/FPH
Insertion of front bay window following removal of existing garage doors to facilitate garage conversion into habitable accommodation. Front entrance porch and installation of side canopy. Insertion of rooflights to existing rear element roofslope. Alterations to fenestration. Erection of boundary wall/railings and installation of entrance gates.
Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS
Permitted
North Hertfordshire2026-03-2726/02183/NMA
Widen first floor (obscured) window on the SW elevation (as Non-Material Amendment to planning permission 26/00036/FPH granted 27/02/2026)
8 The Stables Pottersheath Welwyn Hertfordshire AL6 9GR
Permitted
North Hertfordshire2026-08-2826/00424/FPH
First floor rear extension over existing single storey rear extension to create a master suite and office
4 Nursery Cottage Symonds Green Lane Stevenage Herts SG1 2HP
Permitted
Stevenage2026-06-0121/03123/FPH
First floor rear extension and rear catslide dormer window. Increase height of curtilage-listed, flint, perimeter wall to match the existing higher section of wall. Installation of Air Source Heat Pump to rear.
Woodvine Cottage Damask Green Road Weston Hitchin Hertfordshire SG4 7DE
Conditions
North Hertfordshire2021-11-0415/04483/FUL
Single storey rear extension. Change of use to 2no self contained flats
34 Ravenshurst Avenue London NW4 4EG
Rejected
Barnet2015-07-1719/00357/LDCP
Single storey side extension following demolition of existing out-building.
42 Grimstone Road Little Wymondley Hitchin Hertfordshire SG4 7HH
Permitted
North Hertfordshire2019-02-143/15/0600/HH
Installation of rooflight in existing rear extension
78 Burnett Square Hertford Hertfordshire SG14 2HD
Conditions
East Hertfordshire2015-03-2521/03531/CL2PD
Certificate of lawfulness under Section 192 for a single storey side extension
5 North Hall Farm Cottages Barley Road Flint Cross Great And Little Chishill SG8 7PZ
Permitted
South Cambridgeshire2021-07-3026/02210/NMA
External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)
Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS
Permitted
North Hertfordshire2026-09-023/26/1207/HH
Demolition of existing side extension and construction of replacement two storey side extension. Alterations to openings and new windows. Replacement cladding, render, brickwork and roof tiles. Widening of driveway.
1 Raffin Park Datchworth Hertfordshire SG3 6RR
Undecided
East Hertfordshire2026-09-1426/02080/NCS
Single storey rear extension with the following dimension: Length as measured from rear wall of original dwelling - 5 metres
22 Green Street Royston Hertfordshire SG8 7BA
Permitted
North Hertfordshire2026-08-1919/00357/LDCP
Single storey side extension following demolition of existing out-building.
42 Grimstone Road Little Wymondley Hitchin Hertfordshire SG4 7HH
Permitted
North Hertfordshire2019-02-1421/03123/FPH
First floor rear extension and rear catslide dormer window. Increase height of curtilage-listed, flint, perimeter wall to match the existing higher section of wall. Installation of Air Source Heat Pump to rear.
Woodvine Cottage Damask Green Road Weston Hitchin Hertfordshire SG4 7DE
Conditions
North Hertfordshire2021-11-0421/03531/CL2PD
Certificate of lawfulness under Section 192 for a single storey side extension
5 North Hall Farm Cottages Barley Road Flint Cross Great And Little Chishill SG8 7PZ
Permitted
South Cambridgeshire2021-07-30TunbridgeWells/26/00934/FULL
12 Lonsdale Gardens Royal Tunbridge Wells Kent TN1 1NU
Tunbridge Wells2026-04-28Not in our records
3/15/0600/HH
Installation of rooflight in existing rear extension
78 Burnett Square Hertford Hertfordshire SG14 2HD
Conditions
East Hertfordshire2015-03-25NorthHertfordshire/26/00424/FPH
North HertfordshireNot in our records
NorthHertfordshire/23/01338/LBC
The Great Barn Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
North Hertfordshire2023-06-16Not in our records