General Builders
COMPLEX CONSTRUCTION RO LTD
2 MAPLE GROVE, WELWYN GARDEN CITY, AL7 1NH
Trading since 2016
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 51–100 of 106 professionals
General Builders
DEMOLITION CONTRACTING UK LIMITED
2-3 LITTLE BURROW, WELWYN GARDEN CITY, AL7 4SP
Trading since 2013
General Builders
ELMWOOD PM LTD
22 GREAT BREAK, WELWYN GARDEN CITY, AL7 3EZ
Trading since 2011
General Builders
GROUND CONSTRUCTION LIMITED
2-3 LITTLE BURROWS, WELWYN GARDEN CITY, AL7 4SP
Trading since 1997
General Builders
HERTFORDSHIRE BUILDING CONTROL LIMITED
WELWYN HATFIELD BOROUGH COUNCIL OFFICE, THE CAMPUS, WELWYN GARDEN CITY, AL8 6AE
Trading since 2016
General Builders
HUNBUILD LTD
UNIT 17, SOUTH MUNDELLS, WELWYN GARDEN CITY, AL7 1EP
Trading since 2008
General Builders
LA THEMBA KENSINGTON LTD
FLAT 5, 51BRIDGE ROAD EAST, WELWYN GARDEN CITY, AL7 1JR
Trading since 2010
General Builders
LEADING SOLUTIONS SOUTHERN LIMITED
2-3 LITTLE BURROW, WELWYN GARDEN CITY, AL7 4SP
Trading since 2013
General Builders
NETHERDOWN (HERTS) LIMITED
58 BRIDGE ROAD EAST, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JU
Trading since 1994
General Builders
THE BUILDING CONTROL (HERTFORDSHIRE) COMPANY LTD
WELWYN HATFIELD BOROUGH COUNCIL OFFICE, THE CAMPUS, WELWYN GARDEN CITY, AL8 6AE
Trading since 2016
General Builders
ZELLTEC CONSTRUCTION SERVICES LIMITED
UNIT 3, POLARIS CENTRE, 41 BROWNFIELDS, WELWYN GARDEN CITY, AL7 1AN
Trading since 2005
General Builders
ZELLTEC PROJECTS LIMITED
UNIT 3, POLARIS CENTRE, 41 BROWNFIELDS, WELWYN GARDEN CITY, AL7 1AN
Trading since 2007
Glaziers
AGL GROUP LTD
11 CROOKHAMS, 11 CROOKHAMS, WELWYN GARDEN CITY, AL7 1PG
Trading since 2024
Glaziers
WINDOORBASE TRADE LTD
12 UNIT 12, BROWNFIELDS, WELWYN GARDEN CITY, AL7 1AN
Trading since 2012
Joiners & Carpenters
ANDY DAVIES FURNITURE LTD
7 THE ORCHARD, WELWYN GARDEN CITY, AL8 7PL
Trading since 2023
Joiners & Carpenters
FINE POINT SOLUTIONS LTD
32 KIRKLANDS, WELWYN GARDEN CITY, AL8 7RD
Trading since 2024
Joiners & Carpenters
L A CARPENTRY MAINTENANCE & RENOVATIONS LTD
6 RUNSLEY, WELWYN GARDEN CITY, AL7 1NJ
Trading since 2015
Joiners & Carpenters
LONDON JOINERY SERVICES LTD
5 ALDERS CT, WATCHMEAD, WELWYN GARDEN CITY, AL7 1LT
Trading since 2018
Joiners & Carpenters
RG CARPENTRY LTD
120 SALISBURY ROAD, WELWYN GARDEN CITY, AL7 3SA
Trading since 2018
Joiners & Carpenters
TWS BUILDING SERVICES LTD
11 GARDEN COURT, TEWIN ROAD, WELWYN GARDEN CITY, AL7 1BH
Trading since 2024
Joiners & Carpenters
ULTRA KBB LTD
10A GARDEN COURT BUSINESS CENTRE, TEWIN ROAD, WELWYN GARDEN CITY, AL7 1BH
Trading since 2020
Plasterers
ANKE LTD
5B SWALLOW COURT, SWALLOWFIELDS, WELWYN GARDEN CITY, AL7 1SB
Trading since 2016
Plasterers
CDP PLASTERING LTD
UNIT 15A, PEARTREE LANE, WELWYN GARDEN CITY, AL7 3UW
Trading since 2017
Plasterers
FUSION KLEEN LTD
2 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 2020
Plasterers
LINGWOOD PLASTERING LIMITED
C/O EAST HERTS ACCOUNTANTS LTD T/A MTM 2 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 2008
Plasterers
RUDDICK CONTRACTORS LTD
83 BROOMHILLS, WELWYN GARDEN CITY, AL7 1RE
Trading since 2017
Plasterers
S & R LONDON DRYLINING LTD
17 MARTINFIELD, WELWYN GARDEN CITY, AL7 1HG
Trading since 2025
Plasterers
S. & R. (LONDON) LTD.
UNIT 17, MARTINFIELD, WELWYN GARDEN CITY, AL7 1HG
Trading since 1990
Plasterers
VELARIS LTD
C/O EAST HERTS ACCOUNTANTS LTD T/A MTM 2 FALCON GATE, SHIRE PARK, WELWYN GARDEN CITY, AL7 1TW
Trading since 2020
Plumbers & Heating Engineers
A.L. MECHANICAL LIMITED
19 SWEET BRIAR, WELWYN GARDEN CITY, AL7 3DU
Trading since 2023
Plumbers & Heating Engineers
ALPHA AIR CONDITIONING UK LIMITED
61 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTS, AL8 7PQ
Trading since 2004
Plumbers & Heating Engineers
B G SWEENEY LTD
6 BROCKSWOOD LANE, WELWYN GARDEN CITY, AL8 7BG
Trading since 2009
Plumbers & Heating Engineers
BAKSA LIMITED
24 FOUR ACRES, FOUR ACRES, WELWYN GARDEN CITY, AL7 4NW
Trading since 2011
Plumbers & Heating Engineers
CASTLE HEATING HERTS LTD
29 CYPRESS AVENUE, WELWYN GARDEN CITY, AL7 1HN
Trading since 2018
Plumbers & Heating Engineers
COMBI BOILERS LIMITED
225 HOWLANDS, WELWYN GARDEN CITY, AL7 4HG
Trading since 2003
Plumbers & Heating Engineers
D E&P LIMITED
90 HAYMEADS, WELWYN GARDEN CITY, AL8 7AE
Trading since 2024
Plumbers & Heating Engineers
DYNAMO 24/7 LIMITED
29 LONGLANDS ROAD, WELWYN GARDEN CITY, AL7 3QD
Trading since 2014
Plumbers & Heating Engineers
FLODOC LTD
23 MARGERY WOOD, WELWYN GARDEN CITY, AL7 1UN
Trading since 2025
Plumbers & Heating Engineers
HEATCOOLER LIMITED
15 HOWICKS GREEN, WELWYN GARDEN CITY, AL7 4RJ
Trading since 2025
Plumbers & Heating Engineers
HERTS PLUMBING & HEATING LTD
12 CYPRESS AVENUE, WELWYN GARDEN CITY, AL7 1HN
Trading since 2008
Plumbers & Heating Engineers
HESSE GAS SUPPLY LTD
27 CHRYSLER HOUSE, BESSEMER ROAD, WELWYN GARDEN CITY, AL7 1GS
Trading since 2024
Plumbers & Heating Engineers
PANOPTIC PLUMBING LIMITED
10 HAYNES CLOSE, WELWYN GARDEN CITY, AL7 3EP
Trading since 2022
Plumbers & Heating Engineers
PIONEERING PLUMBING LTD
6 QUEENS AVENUE, WELWYN GARDEN CITY, AL7 4BZ
Trading since 2019
Plumbers & Heating Engineers
S & R PLUMBING AND HEATING LIMITED
49, LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EB
Trading since 2007
Plumbers & Heating Engineers
SP SUPPLIES LTD
51 ARCHERS RIDE, WELWYN GARDEN CITY, AL7 4PR
Trading since 2022
Plumbers & Heating Engineers
THE HERTFORDSHIRE BOILER COMPANY LTD
2 TWELVE ACRES, WELWYN GARDEN CITY, AL7 4TG
Trading since 2018
Plumbers & Heating Engineers
WELWYN GARDEN CITY BUILDERS LIMITED
14 HOME MEADOW, WELWYN GARDEN CITY, AL7 3BA
Trading since 2013
Plumbers & Heating Engineers
WELWYN GARDEN CITY PLUMBING AND HEATING LIMITED
14 HOME MEADOW, WELWYN GARDEN CITY, AL7 3BA
Trading since 2008
Plumbers & Heating Engineers
WELWYN PLUMBING AND HEATING LTD
14 HOME MEADOW, WELWYN GARDEN CITY, AL7 3BA
Trading since 2010
Roofers
B F ROOFING & PROPERTY MAINTENANCE LTD
11 GARDEN COURT, TEWIN ROAD, HERTFORDSHIRE, AL7 1BH
Trading since 2024