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  1. Companies
  2. Plumbers and heating engineers
  3. Harrow

Plumbers and heating engineers · Harrow

Plumbers and heating engineers in Harrow

154 active plumbing and heating companies registered in Harrow, Middlesex, with the date each one's next accounts are due at Companies House.

CompanySinceAccounts due
21 Degrees Heating Limited200431 Mar 2027 (in 169 days)
24/7 Amber Plumbing & Heating Limited200531 Dec 2026 (in 79 days)
24H Abc Plumbing & Drainage Limited202628 Jan 2028 (in 472 days)
A & D Plumbing & Heating Limited202028 Feb 2027 (in 138 days)
Aam Heating and Plumbing Ltd20269 Mar 2028 (in 513 days)
Ach Plumbing and Heating Limited202627 May 2028 (in 592 days)
Advance Heating & Electricals Ltd201131 Dec 2026 (in 79 days)
Advanced Cooling & Heating Ltd202230 Nov 2026 (in 48 days)
Aguaheat Limited200631 Dec 2026 (in 79 days)
Airaix Limited202231 Mar 2027 (in 169 days)
Ak Plumbers Ltd20255 Dec 2026 (in 53 days)
Aldok Plumbing Services Ltd201831 Jul 2027 (in 291 days)
Andrei Air Fittings Ltd202626 Feb 2028 (in 501 days)
Annett Heating Limited201930 Nov 2026 (in 48 days)
Ap&H Ltd20256 Nov 2026 (in 24 days)
Api Works Ltd201931 Oct 2027 (in 383 days)
Aqua Force Heating Ltd201431 Dec 2027 (in 444 days)
B S P Plumbing & Heating Limited200231 Dec 2027 (in 444 days)
Bhakti Enterprise Limited202030 Apr 2027 (in 199 days)
Bim Install Pipe Ltd202331 Jul 2027 (in 291 days)
Blue Mountain Plumbing and Heating Ltd202619 May 2028 (in 584 days)
Bmi Plumbing Ltd201931 Jan 2028 (in 475 days)
Bobby and Sons Heating and Plumbing Ltd20266 Nov 2027 (in 389 days)
Brompton Air Ltd202430 Apr 2027 (in 199 days)
BSCM Install Pro Ltd201528 Feb 2027 (in 138 days)
C Pop Plumbing Ltd202130 Nov 2026 (in 48 days)
C&J Plumbing Ltd202331 May 2028 (in 596 days)
Call 'Em Limited202623 Jun 2028 (in 619 days)
Capital Properties Services Ltd202330 Apr 2027 (in 199 days)
Capital Service Engineers Ltd200931 May 2027 (in 230 days)
CG Plumbing (Herts) Limited202131 Aug 2027 (in 322 days)
CNL Heating Ltd202231 May 2027 (in 230 days)
Commercial Gas Systems Ltd201229 Sep 2027 (in 351 days)
Conserve Greene Limited202621 Apr 2028 (in 556 days)
Coterm Limited202330 Nov 2026 (in 48 days)
Crafters Global Ltd202230 Nov 2026 (in 48 days)
Deans Plumbing and Heating Limited201830 Sep 2027 (in 352 days)
Delta Gas Ltd201428 Feb 2027 (in 138 days)
Devonald Plumbing Limited202611 Dec 2027 (in 424 days)
DM Plumbing and Heating Site Services Ltd20267 Oct 2027 (in 359 days)
DNL Welding Services Limited201530 Apr 2027 (in 199 days)
Donnington Investments Ltd201231 Dec 2026 (in 79 days)
DS Kelly Services Limited201631 Oct 2026 (in 18 days)
DSG Plumbing Limited202517 Aug 2027 (in 308 days)
Dynaheat Limited201228 Feb 2027 (in 138 days)
Ecm Building Services Ltd201430 Sep 2027 (in 352 days)
Econestenergy Ltd20257 May 2027 (in 206 days)
Euro Plumbing & Heating Ltd202231 Jul 2027 (in 291 days)
Euro Plumbing Limited201527 Jan 2027 (in 106 days)
Fantom Construct Limited202531 Oct 2027 (in 383 days)
Page 1 of 4

Plumbing and heating companies in Harrow in numbers

From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Russell Black Limited, incorporated in 1967.

Companies
154
Active, small or micro accounts
New in the last 12 months
27
18% of the total
Typical net assets
£7,485
Median of 118 latest balance sheets
Typical size
1 employee
Median average headcount
Accounts due in the next 3 months
37
Companies House deadlines

Still trading, by year incorporated

Active plumbing and heating companies in Harrow by year of incorporation010202017: 4 incorporated (still active)420172018: 10 incorporated (still active)1020182019: 9 incorporated (still active)920192020: 11 incorporated (still active)1120202021: 7 incorporated (still active)720212022: 11 incorporated (still active)1120222023: 13 incorporated (still active)1320232024: 10 incorporated (still active)1020242025: 14 incorporated (still active)1420252026: 20 incorporated (still active)202026
Active plumbing and heating companies in Harrow by year of incorporation010202017: 4 incorporated (still active)4'172018: 10 incorporated (still active)10'182019: 9 incorporated (still active)9'192020: 11 incorporated (still active)11'202021: 7 incorporated (still active)7'212022: 11 incorporated (still active)11'222023: 13 incorporated (still active)13'232024: 10 incorporated (still active)10'242025: 14 incorporated (still active)14'252026: 20 incorporated (still active)20'26

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 Harrow

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