- Companies
- Plumbers and heating engineers
- Sutton
- Smart Termo Limited
Smart Termo Limited
- Company number
- 16241977
- Incorporated
- 10 Feb 20251 year trading
- Registered office
- 2 Frampton Close, Sutton, SM2 6SU
- Nature of business
- Plumbing, heat and air-conditioning installation; Wholesale of hardware, plumbing and heating equipment and supplies
Smart Termo Limited is a 1-year-old private limited company registered in Sutton, company number 16241977, one of 114 plumbing and heating companies in Sutton. Its next accounts are due at Companies House on 10 November 2026, and its first CT600 is due at HMRC on 9 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Smart Termo Limited is registered
The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 6SU on a map.
Other trade companies in SM2
- Stent Projects London LtdBuilders
- Ry Rigging Services LtdInstallers
- JP Plumbing, Heating & Drainage Solutions LtdPlumbers and heating engineers
- MR & Sons Roofing & Building LtdBuilders
- Velora Facilities LimitedCleaning companies
- Sparkle Shark LtdCleaning companies
- GL Building Solutions LtdBuilders
- Bespoke Air Design and Installation LimitedPlumbers and heating engineers
What happens if Smart Termo Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 10 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Nov 2026 to 10 Dec 2026 | £150 |
| 1 to 3 months late | 11 Dec 2026 to 10 Feb 2027 | £375 |
| 3 to 6 months late | 11 Feb 2027 to 10 May 2027 | £750 |
| More than 6 months late | From 11 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16241977
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2025 (1 year ago)
- Registered office
- 2 Frampton Close, Sutton, SM2 6SU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 February 2026
Filing notes for 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.
Similar companies in Sutton
Other active plumbing and heating companies registered in Sutton.
- SMC Heating Ltd2025
- Spartan Heating Ltd2011
- Stengas Limited2026
- SW Heating and Plumbing Crew Ltd2021
- The Clapham Heating Partnership Ltd2024
- Toby Organ Limited2018
- Topflow Services Ltd2019
- Viking Commercial and Domestic Services Ltd2023
All plumbing and heating companies in Sutton · All trades in Sutton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smart Termo Limited's accounts due?
Smart Termo Limited's next accounts are due at Companies House by 10 November 2026 (in 29 days), covering the period to 28 February 2026.
When is Smart Termo Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 February 2026, due by 9 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smart Termo Limited still trading?
Smart Termo Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Smart Termo Limited do?
Smart Termo Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is Smart Termo Limited?
Smart Termo Limited was incorporated on 10 February 2025, 1 year ago.
What is the penalty if Smart Termo Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Smart Termo Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.