Plumbing, heat and air-conditioning installation
51,094 active UK companies registered under this classification.
SIC Code 43220 (Plumbing, heat and air-conditioning installation) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Plumbing, heat and air-conditioning installation sector, which falls under Section F (Construction) of the SIC 2007 framework. There are currently 51,094 active companies and 54,422 total registrations under this classification.
Sector pulse: concentration is strongest in LONDON and GLASGOW, with 1,508 new incorporations recorded in 2026.
Incorporation Trends
New Plumbing, heat and air-conditioning installation companies registered per year.
Plumbing, heat and air-conditioning installation Companies
Showing 1–25 of 55,116 companies.
@168 INTEGRITY CONSTRUCTION AND DECORATION LIMITED 12977264
@KINS PLUMBING AND HEATING LIMITED 14599983
000 LTD 10023617
0151 HEATING AND PLUMBING LIMITED 07614766
079MAINTENANCE LTD 17116730
0800 HOMEFIX LTD 13803246
1 - 2 CLEAR LIMITED 04672682
1 BARR PLUMBING & HEATING LTD 11716578
1 FIX ELECTRICAL LTD 11657522
1 HEAT PLUMBING LIMITED 15563155
1 M&E LTD 14925958
1 POINT PLUMBING AND HEATING SERVICES LTD 15027157
1-2-1 PLUMBING & HEATING LIMITED 08866639
10 PROPERTY SERVICES LIMITED 07607800
100% HEATING AND PLUMBING LIMITED 11830560
100%GAS LTD 15529876
101X LTD 16641119
104 DEVELOPMENTS LTD 10147684
1066 GAS LTD 13624438
1066 PHD LIMITED 12158050
1066 PLUMBING AND HEATING LTD 14144760
1066DPS LIMITED 16607019
108 THE GAS SERVICE LIMITED 10653905
108HOMES LTD 15804913
118 GAS LTD 13622013
Frequently Asked Questions
What is SIC code 43220?
SIC code 43220 represents "Plumbing, heat and air-conditioning installation" in the UK Standard Industrial Classification (SIC) 2007 system. It is used by Companies House to categorise the primary business activity of registered UK companies. It falls under Section F — Construction.
How many UK companies are classified under SIC 43220?
There are currently 51,094 active UK companies registered under SIC code 43220 (Plumbing, heat and air-conditioning installation), out of 54,422 total registrations.
Where are most Plumbing, heat and air-conditioning installation companies based in the UK?
The top locations for Plumbing, heat and air-conditioning installation companies in the UK are LONDON, GLASGOW, BIRMINGHAM, MANCHESTER, BRISTOL. London typically leads in company registrations across most sectors.
How do I find a specific Plumbing, heat and air-conditioning installation company?
You can browse all companies on this page, or use CompanyPulse's search at companypulse.co.uk/search to find a specific company by name or company number. Each company profile includes directors, financial data, risk analysis, and filing history.
How many new Plumbing, heat and air-conditioning installation companies were incorporated in 2026?
1,508 new companies were registered under SIC code 43220 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.