PricingHow It WorksWebsites
CT600 FilingCompanies House AccountsCompany Deadlines LookupWhat You Need to FileSelf AssessmentCIS ReturnsMaking Tax DigitalFree Tax Calculators
YappazineFree Tax CalculatorsHelp CentreFAQSupportOur Infrastructure
Jobs & leadsStripeMeta Lead AdsWhatsApp AITelegram
Tax filingHMRC (MTD)
Works with bothXeroQuickBooks
AboutPartner APIContactSecurityPrivacy PolicyTerms of Service
  1. Companies
  2. Plumbers and heating engineers
  3. Cardiff

Plumbers and heating engineers · Cardiff

Plumbers and heating engineers in Cardiff

170 active plumbing and heating companies registered in Cardiff, South Glamorgan, with the date each one's next accounts are due at Companies House.

CompanySinceAccounts due
3 Trojans Limited202230 Jun 2027 (in 261 days)
A & N Plumbing Services Limited200831 Dec 2026 (in 80 days)
A Pair of Drips Ltd202529 Feb 2028 (in 505 days)
Ac Ventilation Solutions Ltd201230 Nov 2026 (in 49 days)
Acorn Homecover Limited202531 Oct 2027 (in 384 days)
Af Mechanical Services Ltd202231 Dec 2027 (in 445 days)
Agua Bathrooms Ltd202529 Feb 2028 (in 505 days)
Ambient Air Control Limited199831 Mar 2027 (in 170 days)
Aml Plumbing Limited201131 Dec 2026 (in 80 days)
Anderson & Leonard Ltd200331 Jan 2028 (in 476 days)
Atlantic Ventilation Limited201130 Jun 2027 (in 261 days)
Atlantica Plumbing and Heating Ltd202131 Oct 2026 (in 19 days)
B Carey Plumbing & Heating Ltd201931 Mar 2028 (in 536 days)
Beynon Plumbing Ltd201831 Dec 2027 (in 445 days)
Beza Home Climate Ltd202625 Jun 2028 (in 622 days)
Boiler Plant Maintenance Wales Ltd202331 Dec 2027 (in 445 days)
Boiler Rite Ltd202231 Jul 2027 (in 292 days)
Boilerhut Limited201330 Apr 2027 (in 200 days)
Borley Associates Limited202031 Dec 2026 (in 80 days)
C&G Mechanical Limited201231 Jul 2027 (in 292 days)
Calibre Plumbing Ltd202531 Aug 2027 (in 323 days)
Cardiff Gas & Maintenance Ltd202030 Apr 2027 (in 200 days)
Cardiff Heating & Plumbing (South Wales) Ltd201831 Jan 2028 (in 476 days)
Cardiff Heating and Plumbing Limited202622 Mar 2028 (in 527 days)
Cardiff Plumbing Contractors Ltd202430 Sep 2027 (in 353 days)
Cardiff Plumbing Limited202521 Jun 2027 (in 252 days)
Cardiff Plumbing Management Ltd201130 Nov 2026 (in 49 days)
CBS Plumbing, Heating and Mechanical Limited202331 May 2027 (in 231 days)
CC Plumbing and Gas Ltd20261 Feb 2028 (in 477 days)
CCR Building & Maintenance Limited201831 Dec 2026 (in 80 days)
Celtic Cooling and Heating Limited200331 Oct 2027 (in 384 days)
Change My Boiler Ltd202128 Feb 2027 (in 139 days)
CJ Heating & Renewables Limited202530 Jun 2027 (in 261 days)
Climate Control Cardiff Ltd20264 Jun 2028 (in 601 days)
Climate Control Systems Ltd202613 Jan 2028 (in 458 days)
Climate Engineers Limited201831 Oct 2027 (in 384 days)
Cole Air Conditioning Services Ltd202430 Nov 2026 (in 49 days)
Collingwood Plumbing Ltd202617 Jan 2028 (in 462 days)
Cookmech Ltd202431 Dec 2027 (in 445 days)
Copa Services Limited201830 Apr 2027 (in 200 days)
Cosywarm Heating and Plumbing Limited201131 Dec 2026 (in 80 days)
Cosywarm Servicing Limited202610 Dec 2027 (in 424 days)
Decorative Heating Limited200331 Mar 2027 (in 170 days)
Desk Pure Filt Limited202515 May 2027 (in 215 days)
DJ Miller Plumbing Limited201931 Dec 2026 (in 80 days)
DWR Plumbing Ltd20269 Jun 2028 (in 606 days)
E & A Heating and Plumbing Limited201531 Dec 2027 (in 445 days)
E&O Heating Solutions Ltd202430 Jun 2027 (in 261 days)
Eco Energy Scheme Ltd202428 Feb 2027 (in 139 days)
Eco-Cool Services Ltd202430 Nov 2026 (in 49 days)
Page 1 of 4

Plumbing and heating companies in Cardiff in numbers

From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is J.D. Heating and Plumbing and Mechanical Services Limited, incorporated in 1998.

Companies
170
Active, small or micro accounts
New in the last 12 months
22
13% of the total
Typical net assets
£5,007
Median of 120 latest balance sheets
Typical size
1 employee
Median average headcount
Accounts due in the next 3 months
43
Companies House deadlines

Still trading, by year incorporated

Active plumbing and heating companies in Cardiff by year of incorporation020402017: 4 incorporated (still active)420172018: 13 incorporated (still active)1320182019: 6 incorporated (still active)620192020: 7 incorporated (still active)720202021: 7 incorporated (still active)720212022: 12 incorporated (still active)1220222023: 10 incorporated (still active)1020232024: 23 incorporated (still active)2320242025: 31 incorporated (still active)3120252026: 17 incorporated (still active)172026
Active plumbing and heating companies in Cardiff by year of incorporation020402017: 4 incorporated (still active)4'172018: 13 incorporated (still active)13'182019: 6 incorporated (still active)6'192020: 7 incorporated (still active)7'202021: 7 incorporated (still active)7'212022: 12 incorporated (still active)12'222023: 10 incorporated (still active)10'232024: 23 incorporated (still active)23'242025: 31 incorporated (still active)31'252026: 17 incorporated (still active)17'26

Companies still active today, by the year they were incorporated; 2026 is the year so far.

About plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Other trades in Cardiff

Run a Cardiff company?

A.X.E.L Filing prepares your micro-entity accounts for Companies House and your CT600 for HMRC from one set of questions. £49 flat for both, no accountant, no subscription.

Start your filing
File accounts + CT600File now£49Let's talk