Architects
HERTFORDSHIRE ARCHITECTS LTD
13 CUBITTS CLOSE, WELWYN, AL6 0DZ
Trading since 2011
Cross Section of Local Trades — Not an exhaustive directory — Up to 20 businesses per trade in each area,
sourced from public Companies House records and refreshed monthly (last updated 7 September 2026).
Always do your own checks (insurance, qualifications, reviews) before hiring anyone.
Showing 1–50 of 120 professionals
Architects
TERRAIN SURVEYS LIMITED
BRIDGE CHAMBERS, 28A HIGH STREET, WELWYN, AL6 9EQ
Trading since 2004
Architects
TURN 2 LTD
54 CARLETON RISE, WELWYN, AL6 9RG
Trading since 2006
Architects
WILBOS LTD
45 CROSSWAY, WELWYN GARDEN CITY, AL8 7ED
Trading since 2018
Electricians
BECKS ELECTRICAL & BUILDING SERVICES LIMITED
31 WILGA ROAD, WELWYN, AL6 9PT
Trading since 2017
Electricians
EKELECTRICS LIMITED
46 CROSSWAY, WELWYN GARDEN CITY, AL8 7EE
Trading since 2015
Electricians
GINN ELECTRICAL LTD
12 WILSHERE ROAD, WELWYN, AL6 9PX
Trading since 2018
Electricians
HERTS EV SPECIALISTS LTD
47 HIGH STREET, WELWYN, AL6 9EH
Trading since 2020
Electricians
HUENIQUE LTD
1 KINGSDALE HOUSE, WINDSOR ROAD, WELWYN, AL6 9LA
Trading since 2024
Electricians
MAEDEAN LTD
6 THE CRESCENT, WELWYN, AL6 9JQ
Trading since 2021
Electricians
SAS PLUMBING HEATING & ELECTRICAL LTD
365 KNIGHTSFIELD, WELWYN GARDEN CITY, AL8 7NB
Trading since 2019
General Builders
DJ COX BUILDING SERVICES LTD
16 WOODSIDE ROAD, DIGSWELL, WELWYN, AL6 0DR
Trading since 2019
General Builders
OLD WELWYN CONSTRUCTION LTD
6 NORMAN ROAD, WELWYN, AL6 9JP
Trading since 2026
General Builders
SAINTS HOMES LIMITED
28 LONDON ROAD, WELWYN, AL6 9JD
Trading since 2017
General Builders
TCBUILDERS LTD
55 WARREN WAY, WELWYN, AL6 0DL
Trading since 2020
General Builders
V10DETAILING LTD
11 YORK WAY, WELWYN, AL6 9LB
Trading since 2020
Plasterers
SMOOTH FINISHES BUILDING SERVICES LTD
61 MONKSWOOD, WELWYN GARDEN CITY, AL8 7EF
Trading since 2022
Plumbers & Heating Engineers
C A WARNER LTD
8 HAMMOND CLOSE, WELWYN, AL6 9FH
Trading since 2015
Plumbers & Heating Engineers
HERTFORDSHIRE PREMIER PLUMBING AND HEATING LTD
1, LINCES FARM COTTAGES, KIMPTON ROAD, WELWYN, AL6 9NL
Trading since 2018
Plumbers & Heating Engineers
LT AIR CONDITIONING LIMITED
312 KNIGHTSFIELD, WELWYN GARDEN CITY, AL8 7NQ
Trading since 2026
Plumbers & Heating Engineers
PRO VENTILATION LTD
312 KNIGHTSFIELD, WELWYN GARDEN CITY, AL8 7NQ
Trading since 2016
Plumbers & Heating Engineers
SEHITI PLUMBING AND HEATING LTD
4 BROOMFIELD ROAD, WELWYN, AL6 9DW
Trading since 2026
Plumbers & Heating Engineers
TARGET DRAINAGE & PLUMBING LTD
10 WILSHERE ROAD, WELWYN, AL6 9PX
Trading since 2022
Architects
ALKAZAR LIMITED
ORION HOUSE LONDON OFFICE 665, BESSEMER ROAD, WELWYN GARDEN CITY, AL7 1HH
Trading since 2024
Architects
FARRELL DESIGN STUDIO LTD
35A 35A BARLEYCROFT ROAD, WELWYN GARDEN CITY, AL8 6JX
Trading since 2018
Architects
HKZ PRODUCTIONS LTD
6 MOUNTWAY CLOSE, WELWYN GARDEN CITY, AL7 4JZ
Trading since 2008
Architects
HOME EXTENSION TEAM (ST ALBANS) LTD
PURE OFFICES, 26 BRIDGE ROAD EAST, WELWYN GARDEN CITY, AL7 1HL
Trading since 2021
Architects
KINSMAN RED LIMITED
16 RUSSELLCROFT ROAD, WELWYN GARDEN CITY, HERTS, AL8 6QT
Trading since 1991
Architects
NIEVES DESIGN SPACE LIMITED
43 HOLLYBUSH LANE, WELWYN GARDEN CITY, AL7 4JH
Trading since 2020
Architects
PASCUAL BEKÁ ARCHITECTURE LTD
20 DANIELLS, WELWYN GARDEN CITY, AL7 1QX
Trading since 2021
Architects
S ROBERTS ARCHITECTS LTD
2 PARKWAY CLOSE, WELWYN GARDEN CITY, AL8 6HJ
Trading since 2021
Architects
SAUNDERS PARTNERSHIP DESIGN LIMITED
2ND FLOOR 1 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 2005
Architects
SAUNDERS PARTNERSHIP LIMITED
2ND FLOOR 1 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 1989
Architects
STEVEN GRAY DESIGNS LIMITED
26 ALBANY CHAMBERS, BRIDGE ROAD EAST, WELWYN GARDEN CITY, AL7 1HL
Trading since 2018
Architects
STOL LTD
41 WESTFIELD, WELWYN GARDEN CITY, AL7 1QZ
Trading since 2025
Architects
TURQUOISE NOISE LTD
WELTECH BUSINESS CENTRE, RIDGEWAY, WELWYN GARDEN CITY, AL7 2AA
Trading since 2005
Electricians
CBM GROUP LTD
10-11 TEWIN COURT, WELWYN GARDEN CITY, AL7 1AU
Trading since 2013
Electricians
CLC ELECTRICS LIMITED
4 POUNDWELL, WELWYN GARDEN CITY, HERTS, AL7 3NP
Trading since 2004
Electricians
COUGHLAN ELECTRICAL SERVICES LIMITED
9 BEEHIVE LANE, WELWYN GARDEN CITY, AL7 4BB
Trading since 2015
Electricians
CROWN CONTRACTS LIMITED
4 THE VALLEY GREEN, WELWYN GARDEN CITY, AL8 7DQ
Trading since 1986
Electricians
EMILIO ELECTRIC LTD
6 BUSHEY CLOSE, WELWYN GARDEN CITY, AL7 3HD
Trading since 2014
Electricians
G.M.I. AERIALS LIMITED
16 MARTINFIELD BUSINESS CENTRE, MARTINFIELD, WELWYN GARDEN CITY, AL7 1HG
Trading since 2002
Electricians
GT ELECTRICS LIMITED
16 MARTINFIELD BUSINESS CENTRE, MARTINFIELD, WELWYN GARDEN CITY, AL7 1HG
Trading since 2000
Electricians
INSPACE MECHANICAL & ELECTRICAL LIMITED
45 DIGSWELL RISE, WELWYN GARDEN CITY, AL8 7PP
Trading since 2010
Electricians
JARRARDS LIMITED
8 BRIDGEGATE CENTRE,, MARTINFIELD, WELWYN GARDEN CITY, AL7 1JG
Trading since 1974
Electricians
M.NIC GROUP LTD
UNIT 10 EDGE BUSINESS PARK, BROWNFIELDS, WELWYN GARDEN CITY, AL7 1WX
Trading since 2014
Electricians
MARCOE ENGINEERING LIMITED
UNIT 3, MALLOW PARK, WELWYN GARDEN CITY, AL7 1GX
Trading since 1999
Electricians
MERCURY FIRE LIMITED
9 BRIDGEGATE CENTRE, MARTINFIELD, WELWYN GARDEN CITY, AL7 1JG
Trading since 2009
Electricians
MERCURY SECURITY SYSTEMS LTD
9 BRIDGEGATE CENTRE, MARTINFIELD, WELWYN GARDEN CITY, AL7 1JG
Trading since 1997
Electricians
MR BARRETT ELECTRICAL LTD
C/O EAST HERTS ACCOUNTANTS LTD T/A MTM, 2 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 2012
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