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HA1: plumbing, heating and air-conditioning companies in Harrow

HA1 (Harrow) has 101 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 197 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, HA1 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).

HA1

Open a company

21 DEGREES HEATING LIMITED, incorporated 2004, status Active.

Plumbing, heating and air-conditioning companies

Every SIC 43220 company with a registered office in HA1 (Harrow).
CompanyIncorporatedStatusDistrict
21 DEGREES HEATING LIMITED 2004 Active HA1
24H ABC PLUMBING & DRAINAGE LIMITED 2026 Active HA1
A & D PLUMBING & HEATING LIMITED 2020 Active HA1
A LEVEL PROPERTY LTD 2024 Active HA1
ACH PLUMBING AND HEATING LIMITED 2026 Active HA1
ADVANCE HEATING & ELECTRICALS LTD 2011 Active HA1
ADVANCED COOLING & HEATING LTD 2022 Active HA1
AGP BIG LTD 2017 Active - Proposal to Strike off HA1
AIRAIX LIMITED 2022 Active HA1
AJF HEATING MECHANICAL AND ELECTRICAL SERVICES LTD 2026 Active HA1
AKONI CONSTRUCTION LTD 2020 Active HA1
ALDOK PLUMBING SERVICES LTD 2018 Active HA1
ANDREI AIR FITTINGS LTD 2026 Active HA1
API WORKS LTD 2019 Active HA1
B S P PLUMBING & HEATING LIMITED 2002 Active HA1
BIM INSTALL PIPE LTD 2023 Active HA1
BMCRAFT LTD 2022 Active HA1
BMI PLUMBING LTD 2019 Active HA1
BRITS PROPERTY SERVICES LTD 2024 Active HA1
BYGEOTEL LTD 2022 Active HA1
C&J PLUMBING LTD 2023 Active HA1
CDT ENGINEERING SERVICES LTD 2019 Active - Proposal to Strike off HA1
CERACONSTRUCT LTD 2026 Active HA1
CONSERVE GREENE LIMITED 2026 Active HA1
DEANS PLUMBING AND HEATING LIMITED 2018 Active HA1
DM PLUMBING AND HEATING SITE SERVICES LTD 2026 Active HA1
DS KELLY SERVICES LIMITED 2016 Active HA1
E. WALKER PLUMBING & CONSTRUCTION LIMITED 2021 Active HA1
EAA UK GROUP LIMITED 2023 Active HA1
ECM BUILDING SERVICES LTD 2014 Active HA1
ECO FIT ENERGY LTD 2026 Active HA1
ECOSAGE LTD 2023 Active HA1
ELECTROPLUMECH MEP SERVICES LTD 2025 Active HA1
ENERGY MOVE LIMITED 2013 Active HA1
FIF PLUMBING AND HEATING LIMITED 2023 Active HA1
FROST LINE REFRIGERATION LTD 2019 Active HA1
G. & D. HIGGINS MECHANICAL SERVICES LTD. 1990 Active HA1
GALAXY HEATING AND COOLING LIMITED 2021 Active HA1
GILCHRIST ENGINEERING HOLDINGS LIMITED 2025 Active HA1
GILCHRIST ENGINEERING SERVICES LIMITED 2018 Active HA1
HAMPDEN HEATING LTD 2025 Active HA1
HAMPTON HEATING & PLUMBING LTD 2010 Active HA1
HUGGINS & SQUIRE LIMITED 1975 Active HA1
I.P. PLUMBING & HEATING LTD 2023 Active HA1
IBR PROPERTY SERVICES LTD 2022 Active HA1
IJ HEATING & GAS LIMITED 2019 Active HA1
IJ HEATING AND PLUMBING LTD 2023 Active HA1
J&L GAS & RENEWABLES LIMITED 2023 Active HA1
J&L PLUMBING & HEATING LIMITED 2020 Active HA1
JNOAD LIMITED 1985 Active HA1
JULES MECHANICAL SERVICES LTD 2016 Liquidation HA1
K A PLUMBING & HEATING LIMITED 2017 Active HA1
K&T MANAGEMENT SOLUTIONS LTD 2011 Active HA1
LONDON PLUMBER LIMITED 2016 Active HA1
LORNE STEWART PLC 1978 Active HA1
LUCI CONSTRUCTION LTD 2019 Active HA1
LUCRATIVE SOLAR LTD 2023 Active HA1
LYNDHURST HEATING LIMITED 2016 Active HA1
M.Z. PLUMBING & HEATING LTD 2013 Active HA1
MARVAL SERVICES LIMITED 1987 Active HA1
MCL MECHANICAL & ELECTRICAL LTD 2022 Active HA1
MGLD CONSTRUCT LTD 2017 Liquidation HA1
MOTACUS PLUMBING & HEATING LIMITED 2020 Active HA1
MPH PLUMBING & HEATING SOLUTIONS LIMITED 2020 Active HA1
N T PLUMBING AND HEATING LTD 2017 Active - Proposal to Strike off HA1
ND PLUMBING LTD 2026 Active HA1
NEW BUILD AND RENEWABLES HOLDINGS SOUTH WEST LIMITED 2023 Liquidation HA1
NEWAGE BUILDERS LTD 2022 Active HA1
NIBIRU COOLING LIMITED 2026 Active HA1
NK PLUMBING LIMITED 2019 Active HA1
P.AC.E BUILDING SERVICES (UK) LIMITED 2001 Active HA1
PARKLAND HEATING & PLUMBING LTD 2015 Active HA1
PAUL LEWIS PLUMBING LIMITED 2019 Active - Proposal to Strike off HA1
PETRON FRONTIER CONSTRUCTION LTD 2023 Active HA1
PHD MECHANICAL LTD 2008 Active HA1
PPU GROUNDWORKS LTD 2022 Active HA1
PRESTIGE CLIMATE LTD 2026 Active HA1
PRO PLUMBING HEATING & BOILERS LTD 2020 Active HA1
PROPERTY 247 SOLUTIONS LIMITED 2025 Active HA1
RDH PLUMBING AND HEATING LIMITED 2018 Active HA1
RDM WORKS LTD 2019 Active HA1
REACH OUT PLUMBING & SERVICES LTD 2022 Active HA1
RIVIERA 66 LTD 2024 Active HA1
RMC PLUMBING SERVICES LIMITED 2025 Active HA1
S F SERVICES LONDON LIMITED 2023 Active HA1
SEC ROOFINGS LTD 2025 Active HA1
SMARTFLOW HEATING & GAS LTD 2017 Active HA1
SOLIDIFY M&E LTD 2024 Active HA1
STEFANUTUK LTD 2019 Active - Proposal to Strike off HA1
THE CHALFONTS PLUMBING & HEATING COMPANY LIMITED 2024 Active HA1
THRIVE M&E LTD 2020 Active HA1
TRUE NORTH MECHANICAL LTD. 2016 Active HA1
UK DRAINAGE GROUP LIMITED 2025 Active HA1
UK DRAINAGE SOLUTIONS LIMITED 2020 Active HA1
UNIVERSAL HEATING & PLUMBING LIMITED 2003 Active HA1
VILLAGE HEATING LIMITED 1999 Active HA1
VITALPAY PLUMBING SERVICES LTD 2024 Active HA1
WALKERDPLUMB LTD 2026 Active HA1
WATT HANDYMAN LIMITED 2016 Active HA1
ZEWI LTD 2010 Active HA1
ZOOM 247 LIMITED 2017 Active HA1

Electrical and other installation companies

Every SIC 43210 or 43290 company with a registered office in HA1. No profile page for this class.
CompanySICIncorporatedStatusDistrict
AB DEVELOPER LIMITED 43290 · other construction installation 2026 Active HA1
AC1 CONSTRUCTION LIMITED 43290 · other construction installation; 41100; 41201; 41202 2010 Active HA1
ACH PROJECT MANAGEMENT LIMITED 43210 · electrical installation 2017 Active HA1
ACV DESIGN AND BUILD LTD 43290 · other construction installation 2018 Active HA1
ADAM ELITE CONSTRUCTION LTD 43290 · other construction installation; 41202 2025 Active HA1
AIREBO LIMITED 43210 · electrical installation; 26511; 62012; 71200 2015 Active HA1
AK BUILDERSS LTD 43290 · other construction installation; 41202; 43390 2021 Active HA1
ALDER BUILDING SERVICES LTD 43210 · electrical installation; 41201; 41202 2026 Active HA1
AMAX CONSULTANTS LTD 43290 · other construction installation 2022 Active HA1
AMAX CONSULTING LTD 43290 · other construction installation 2022 Active HA1
AMAZING SURFACES LTD 43290 · other construction installation 2012 Active HA1
AMBER GROUP LIMITED 43290 · other construction installation 2004 Active HA1
AMCS TILE&RENDER LIMITED 43290 · other construction installation; 41201; 41202; 43390 2026 Active HA1
AMPRISE SERVICES LTD 43210 · electrical installation 2026 Active HA1
ANTHONY JAMES ELECTRICAL LTD 43210 · electrical installation 2020 Active HA1
ANY TIME ELECTRICIAN LIMITED 43210 · electrical installation 2021 Active HA1
ARDENT SECURITY LIMITED 43210 · electrical installation 1991 Active HA1
ARTEC ELECTRICAL LIMITED 43210 · electrical installation 2013 Liquidation HA1
AUM ELECTRICAL & SOLAR SOLUTIONS LTD 43210 · electrical installation 2017 Active HA1
AUSTIN AYEGBENI LTD 43290 · other construction installation 2025 Active - Proposal to Strike off HA1
AVITECH BUILDING SERVICES LTD 43210 · electrical installation; 33140 2025 Active HA1
BARBER BUILDING SOLUTIONS LTD 43290 · other construction installation; 43999 2015 Active HA1
BARBER PLUMBING SOLUTIONS LIMITED 43290 · other construction installation; 43999 2018 Active HA1
BARONS ELECTRICAL LTD 43210 · electrical installation 2025 Active HA1
BCW LIGHTING LIMITED 43210 · electrical installation 2011 Active HA1
BD LIGHTING LIMITED 43210 · electrical installation 2012 Active HA1
BENDAVE CONSTRUCTION LTD 43290 · other construction installation 2024 Active HA1
BLUE ELECTRICAL SERVICES LIMITED 43210 · electrical installation 2007 Active HA1
BLUETHROAT LTD 43210 · electrical installation; 80200 2026 Active HA1
BOURNESIDE ELECTRICAL SERVICES LTD 43210 · electrical installation 2019 Active HA1
BRICKLINE CONSTRUCTION LTD 43290 · other construction installation; 31020 2017 Active HA1
BRICKSTONE (U.K.) LTD 43290 · other construction installation; 41100; 41202; 43390 2025 Active HA1
BRIDPORT STOREFITTERS LIMITED 43210 · electrical installation 2006 Active HA1
BULIDX LTD 43290 · other construction installation; 43999 2025 Active HA1
CAMDEN CABLES LTD 43210 · electrical installation 2023 Active HA1
CARE ACCOMMODATION (LONDON) LIMITED 43290 · other construction installation; 41202; 68320; 87900 2006 Active HA1
CARNEY MECHANICAL LTD 43290 · other construction installation 2026 Active HA1
CC CONTROL & SECURITY LTD 43210 · electrical installation; 43390; 80200 2022 Active HA1
CC SOURCING & SERVICES LIMITED 43210 · electrical installation; 43999 2021 Active HA1
CERTIFIED RENEWABLE SOLUTIONS LIMITED 43210 · electrical installation 2024 Active HA1
CHOTALIA ENGINEERING LIMITED 43210 · electrical installation 2016 Active HA1
CLASS ONE MAINTENANCE SERVICES LIMITED 43210 · electrical installation; 43999 2006 Active HA1
COMBINED ELECTRICALS LIMITED 43210 · electrical installation 1993 Active HA1
COORVAI LTD 43290 · other construction installation 2013 Active HA1
CORE ELECTRICAL SOLUTIONS LTD 43210 · electrical installation 2007 Liquidation HA1
CPFM CONSTRUCTION LTD 43290 · other construction installation; 41201; 43390 2019 Active HA1
CS PRIMEVOLT LTD 43210 · electrical installation; 41202 2026 Active HA1
CUSTODIAN EVENTS LIMITED 43290 · other construction installation; 82301 2017 Active HA1
D G ELECTRICAL LTD 43210 · electrical installation 2011 Active HA1
D PREMIUM BUILDING SERVICES LIMITED 43290 · other construction installation; 43390 2024 Active HA1
D&D MANAGEMENT LONDON LTD 43290 · other construction installation; 49410 2022 Active HA1
DA VISION BUILD LTD 43290 · other construction installation 2019 Active - Proposal to Strike off HA1
DAKIC DEVELOPMENT LTD 43290 · other construction installation 2011 Active HA1
DANUT CONSTRUCTION LTD 43290 · other construction installation 2019 Liquidation HA1
DAV LIMITED 43290 · other construction installation 2025 Active HA1
DEAN ELECTRICAL LIMITED 43210 · electrical installation 2013 Active - Proposal to Strike off HA1
DMT SCENERY LIMITED 43290 · other construction installation 2018 Active HA1
DOMSOL LIMITED 43210 · electrical installation; 70229 2014 Active - Proposal to Strike off HA1
DOMUS PROPERTY MAINTENANCE LTD 43290 · other construction installation 2016 Active HA1
E & A WINDOWS LIMITED 43290 · other construction installation 2017 Active HA1
E.I ELECTRICAL SERVICES LTD 43210 · electrical installation 2022 Active HA1
EJG CONSTRUCTION LTD 43290 · other construction installation 2019 Active HA1
ELECTRIC MANN LIMITED 43210 · electrical installation 2021 Active HA1
ELECTRICAL CONTRACT SERVICES LIMITED 43210 · electrical installation 2024 Active HA1
ELECTRICAL EXPRESS LTD 43210 · electrical installation 2020 Active HA1
ELECX LTD 43210 · electrical installation 2025 Active HA1
ETMINOZA 6 LIMITED 43210 · electrical installation 2016 Active HA1
F.A.D. RUSU LTD 43290 · other construction installation 2017 Active HA1
FALCON ELECTRICAL CONTRACTORS LTD 43210 · electrical installation 2019 Active HA1
FIRE SAFETECH SERVICES LIMITED 43210 · electrical installation; 82990 2017 Active HA1
FLEXECTRIX LTD 43210 · electrical installation; 43290 · other construction installation; 43320; 43390 2018 Active HA1
GARDEN PROJECTS DESIGN LTD 43290 · other construction installation; 81300 2021 Active HA1
GATE CONTROL LIMITED 43210 · electrical installation 2009 Active HA1
GHIRARDI STONE CONTRACTORS UK LTD 43290 · other construction installation; 43390 2020 Active HA1
GLC CONSTRUCTION LIMITED 43290 · other construction installation; 41100 2015 Liquidation HA1
GOLDEN EYE INTEGRATED LTD 43210 · electrical installation; 33140; 33200; 43999 2026 Active HA1
GRB ELECTRICS LIMITED 43210 · electrical installation 2013 Active HA1
GUARDIAN CAPITAL PARTNERS LIMITED 43290 · other construction installation; 41100; 41201; 41202 2017 Active - Proposal to Strike off HA1
H S ELECTRICALS LTD 43210 · electrical installation 2024 Active HA1
HARRINGTON MAINTENANCE COMPANY LIMITED 43210 · electrical installation 2022 Active HA1
HDT SOLUTIONS LTD 43210 · electrical installation 2026 Active HA1
HELICAL M&E LTD 43290 · other construction installation 2024 Active HA1
HEXAGON FRAMEWORK LTD 43290 · other construction installation; 41201 2025 Active HA1
HILLECTRICS LIMITED 43210 · electrical installation 2014 Active HA1
HITBIT LIMITED 43210 · electrical installation; 70229; 71129 2013 Active HA1
HOME FIELD CONSTRUCTION LIMITED 43210 · electrical installation; 43390 2019 Active HA1
HR BUILD LTD 43290 · other construction installation; 46620 2025 Active HA1
IAN LONDON LIMITED 43210 · electrical installation 2013 Active HA1
IDEAL LONDON HOMES LIMITED 43290 · other construction installation 2011 Active - Proposal to Strike off HA1
IDEAL SOLUTIONS LIMITED 43210 · electrical installation 2023 Active HA1
ILT BUILDING SOLUTIONS LTD 43290 · other construction installation; 43310; 43390; 43999 2026 Active HA1
JAMAL ELECTRICAL SERVICES LTD 43210 · electrical installation 2021 Active HA1
JAMES BYRNE ELECTRICAL LIMITED 43210 · electrical installation 2022 Active - Proposal to Strike off HA1
JC ELECTRICS 35 LIMITED 43210 · electrical installation 2022 Active HA1
JD WELL LIMITED 43290 · other construction installation 2013 Active HA1
JH LIGHTING LIMITED 43210 · electrical installation 2014 Active HA1
JN CONSTRUCTIONS LTD 43290 · other construction installation 2026 Active HA1
JPNS ELECTRICAL LIMITED 43210 · electrical installation 2026 Active HA1
JUST EASY BATHING LTD 43290 · other construction installation 2019 Active HA1
JV ELECTRIC LTD 43210 · electrical installation 2022 Active HA1
K.C. CONSTRUCTION LTD 43290 · other construction installation; 41202; 43320; 47990 2018 Active HA1
K.J. ELECTRICAL SERVICES LIMITED 43210 · electrical installation 1997 Active HA1
KARWAN ELECTRICS LIMITED 43210 · electrical installation 2021 Active HA1
KHY ELECTRICAL SERVICES LTD 43210 · electrical installation 2024 Active HA1
KP TECH LTD 43210 · electrical installation; 62020 2017 Liquidation HA1
KS PROJECTS LONDON LTD 43210 · electrical installation; 41100; 41202 2023 Active HA1
LARFOOT CONSTRUCTION LIMITED 43290 · other construction installation 2020 Active HA1
LAWSON BUILDING & MAINTENANCE LTD 43290 · other construction installation 2012 Active HA1
LETS MAINTAIN LIMITED 43210 · electrical installation; 43341; 43390 2023 Active HA1
LIFESTYLE PODS LIMITED 43290 · other construction installation 2020 Active HA1
LONDON CONSTRUCTION & ELECTRICAL LTD 43210 · electrical installation; 41202; 71129; 81210 2018 Active HA1
MALFI ELECTRIC LTD 43210 · electrical installation; 35140; 81100 2026 Active HA1
MALIK ELECTRONICS COMMUNICATION INTERNATIONAL LTD 43210 · electrical installation; 46520; 47410; 70229 2024 Active - Proposal to Strike off HA1
MALLARD SOLUTIONS LTD 43290 · other construction installation; 41201; 41202; 81229 2018 Liquidation HA1
MANT CONSTRUCTION LTD 43290 · other construction installation 2017 Liquidation HA1
MARTIN3X LTD 43290 · other construction installation; 41202 2024 Active HA1
MARVINN COMMERCIAL AND RESIDENTIAL CONSTRUCTION UK LIMITED 43290 · other construction installation; 41100; 43390; 43999 2022 Active HA1
MJA ELECTRICAL SERVICES LTD 43210 · electrical installation 2021 Active HA1
MML BUILD LIMITED 43210 · electrical installation; 43320; 43390; 43910 2004 Active HA1
MOR DESIGN & BUILD LIMITED 43210 · electrical installation; 43290 · other construction installation; 31020; 43320 2023 Active HA1
MORRISSEY ELECTRICAL LIMITED 43210 · electrical installation 2019 Active HA1
MS ELECTRICITY SERVICES LTD 43210 · electrical installation; 43390 2025 Active HA1
MULLARKEY CONTRACTORS LTD 43210 · electrical installation 2015 Active HA1
NCT ELECTRICAL LTD 43210 · electrical installation 2024 Active HA1
NEZ LTD 43290 · other construction installation; 43390 2023 Active HA1
NORTHGATE DEVELOPMENTS LIMITED 43290 · other construction installation; 82990 2023 Active HA1
NXT GEN ELECTRICAL LTD 43210 · electrical installation 2022 Active HA1
O.A CONTRACTS LTD 43210 · electrical installation; 62020 2024 Active HA1
O.C.B. (ELECTRICAL) LIMITED 43210 · electrical installation 1985 Active HA1
ORAANJ CONSTRUCTION LIMITED 43290 · other construction installation; 41100; 43390 2025 Active HA1
ORION ELECTRICAL INSTALLATIONS LTD 43210 · electrical installation 2010 Active HA1
ORION ELECTRICAL SERVICES LTD 43210 · electrical installation 2023 Active HA1
ORION ELECTRICALS LIMITED 43210 · electrical installation 1993 Active HA1
P A HARAN ELECTRICAL CONTRACTORS LIMITED 43210 · electrical installation 2006 Active HA1
P.GAILEY SERVICES LIMITED 43210 · electrical installation 2024 Active HA1
PEARL FIRE SERVICES LTD 43210 · electrical installation; 80200 2016 Active HA1
PHASE ELECTRICAL ENGINEERING LTD 43210 · electrical installation 2021 Active HA1
PJL ELECTRICAL CONTRACTORS LTD 43210 · electrical installation 2021 Active HA1
POWER.FENO LTD 43210 · electrical installation 2025 Active HA1
PRE INSTALL LIMITED 43290 · other construction installation 2018 Active - Proposal to Strike off HA1
PRO ROPE ACCESS LTD 43290 · other construction installation; 43342; 74909; 86900 2019 Active HA1
PRODUCTION TECHNICAL SERVICES LIMITED 43210 · electrical installation 2014 Active HA1
PURE ELECTRICAL SOLUTIONS LIMITED 43210 · electrical installation 2017 Active HA1
R2 INSTALL SOLUTION LTD 43290 · other construction installation 2025 Active HA1
RIANA LTD 43210 · electrical installation; 86900 2023 Active HA1
RMB TESTING LTD 43210 · electrical installation 2014 Active HA1
ROS CONSTRUCTION SERVICES LTD 43290 · other construction installation 2009 Active HA1
ROXI INVEST LTD 43290 · other construction installation 2024 Active HA1
S.J.R ELEC & MECH SERVICES LTD 43210 · electrical installation 2021 Active HA1
SAB CST LTD 43290 · other construction installation 2016 Active HA1
SAFEHANDS (ANTI-FIRE SERVICES) UK LTD 43210 · electrical installation; 47190; 84250 2024 Active HA1
SARUNAS KLIMAVICIUS JOINERY LTD 43290 · other construction installation 2019 Active HA1
SDRYCO LIMITED 43290 · other construction installation 2022 Active HA1
SHANNON BUILDING SERVICES LIMITED 43210 · electrical installation 2018 Active - Proposal to Strike off HA1
SHUTTER YOUR HOUSE LIMITED 43290 · other construction installation 2019 Active HA1
SOLAR4GOOD UK LTD 43210 · electrical installation 2020 Active HA1
SPARKS DRG LIMITED 43210 · electrical installation; 73110 2026 Active HA1
SPP BUILDING SERVICES LIMITED 43210 · electrical installation 2014 Active - Proposal to Strike off HA1
SQUARE MAN LIGHTING SERVICES LIMITED 43210 · electrical installation 2014 Active HA1
SSV BUILT LTD 43290 · other construction installation 2024 Active HA1
ST HILLARE ELECTRICAL SERVICES LTD 43210 · electrical installation 2003 Active HA1
STABLE ELECTRICAL LIMITED 43210 · electrical installation 2011 Active - Proposal to Strike off HA1
STARTLINE SERVICES LTD 43210 · electrical installation; 43120 2020 Active HA1
STATS ENERGY SOLUTIONS LTD 43210 · electrical installation; 74909; 96090 2025 Active HA1
STONE WORKTOP SURFACES LTD 43290 · other construction installation 2026 Active HA1
STONEBRIDGE WORKS LIMITED 43290 · other construction installation 2026 Active HA1
STUCCO CONSTRUCTION LTD 43290 · other construction installation 2017 Active - Proposal to Strike off HA1
SWORD ELECTRICAL LIMITED 43210 · electrical installation 2022 Active HA1
SWS ELECTRICAL SOLUTIONS LTD 43210 · electrical installation 2020 Active HA1
T G BUILDING SOLUTIONS LIMITED 43290 · other construction installation 2018 Active HA1
T.Y. INSTALLATION LTD 43290 · other construction installation 2017 Active HA1
TBK CONSTRUCTION LTD 43210 · electrical installation; 41201; 41202; 43320 2025 Active HA1
TBM INSTALLATIONS LTD 43290 · other construction installation 2024 Active HA1
TFM 89 LIGHTING LIMITED 43210 · electrical installation 2021 Active HA1
THERMALOFT INSULATION LIMITED 43290 · other construction installation 2023 Active HA1
THREE TREES PRODUCTIONS LIMITED 43210 · electrical installation 2023 Active HA1
TOM VEAL SERVICES LIMITED 43210 · electrical installation 2023 Active HA1
TRF CONSTRUCTION(UK) LTD 43290 · other construction installation 2021 Active HA1
TULIP ROOFING AND GUTTERING LIMITED 43290 · other construction installation; 43390; 43910 2026 Active HA1
UGLY UK LIMITED 43210 · electrical installation 2022 Active HA1
UNIQUE WINDOWS DOORS & CONSERVATORIES LIMITED 43290 · other construction installation 2006 Active HA1
UNPLUGGED ELECTRICAL LTD 43210 · electrical installation 2014 Active - Proposal to Strike off HA1
URBAN PROPERTY COMPLIANCE LTD 43210 · electrical installation; 74901 2026 Active HA1
VAP BUILDING LTD 43290 · other construction installation; 41201 2023 Active HA1
VBD LIMITED 43290 · other construction installation 2026 Active HA1
VC ELECTRICAL SERVICES LIMITED 43210 · electrical installation 2019 Active HA1
VELOCITYX LABS LTD 43290 · other construction installation; 43999 2024 Active HA1
VERDE INDUSTRIAL SOLUTIONS LIMITED 43290 · other construction installation 2019 Active HA1
VILLA SHOPFITTERS LTD 43290 · other construction installation 2022 Active HA1
VNG INTERIORS LTD 43290 · other construction installation 2021 Active HA1
VRC PROJECTS LTD 43210 · electrical installation; 41201; 41202 2019 Active HA1
WAYSIDE PAVING LTD 43290 · other construction installation 2018 Active HA1
WEBB MECHANICAL LTD 43290 · other construction installation; 43999 2011 Active HA1
WIDEVIEW CONSTRUCTION LTD LTD 43290 · other construction installation 2026 Active HA1
WIGGINS SERVICES LIMITED 43210 · electrical installation 2007 Active HA1
WOODZ ELECTRICAL SERVICES LTD 43210 · electrical installation 2026 Active HA1
ZAG CONSTRUCT LTD 43210 · electrical installation; 41201 2025 Active HA1

What homes around HA1 need

In HA1 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).

12% of sampled postcodes in HA1 sit in a conservation area (on-record, 954 live postcodes).

In England an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).

Companies House snapshot 1 Sep 2026, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Hot nights: ERA5-ARCO for HA1, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in HA1, snapshot 25 Sep 2026.

Better than a town-wide list: these are the registered offices in HA1, with that district's hot nights and planning rule.

Report an error in these figures