- Companies
- Plumbers and heating engineers
- Sutton
- SDC Heating Services Limited
SDC Heating Services Limited
- Company number
- 07522328
- Incorporated
- 9 Feb 201115 years trading
- Registered office
- 15 Manor Road, Cheam, Sutton, SM2 7AG
- Nature of business
- Plumbing, heat and air-conditioning installation
SDC Heating Services Limited is a 15-year-old private limited company registered in Sutton, company number 07522328, one of 114 plumbing and heating companies in Sutton. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £17K (+10.3%) on the year before, to £184K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £238K against £53K owed within a year: 4.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £184K | £238K | £53K | 0 | |
| 29 Feb 2024 | £167K | £212K | £39K | 0 | |
| 28 Feb 2023 | £133K | £159K | £184K | £21K | 0 |
| 28 Feb 2022 | £134K | £198K | £215K | £40K | 0 |
| 28 Feb 2021 | £95K | £183K | £183K | £88K | 0 |
| 29 Feb 2020 | £18K | £101K | £102K | £84K | 0 |
| 28 Feb 2019 | £6,157 | £58K | £58K | £55K | 1 |
| 28 Feb 2018 | £971 | £14K | £16K | £22K | 1 |
| 28 Feb 2017 | £182 | £31K | £37K | £46K | 0 |
| 29 Feb 2016 | £213 | £45K | £45K | £46K |
Where SDC Heating Services Limited is registered
The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 7AG 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 SDC Heating Services 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 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
- 07522328
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2011 (15 years ago)
- Registered office
- 15 Manor Road, Cheam, Sutton, SM2 7AG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- 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.
- Silver Heating Limited2019
- Smart Termo Limited2025
- SMC Heating Ltd2025
- Spartan Heating Ltd2011
- Stengas Limited2026
- SW Heating and Plumbing Crew Ltd2021
- The Clapham Heating Partnership Ltd2024
- Toby Organ Limited2018
All plumbing and heating companies in Sutton · All trades in Sutton · Plumbers and heating engineers across the UK
Frequently asked questions
When are SDC Heating Services Limited's accounts due?
SDC Heating Services Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is SDC Heating Services Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is SDC Heating Services Limited still trading?
SDC Heating Services 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 SDC Heating Services Limited do?
SDC Heating Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SDC Heating Services Limited?
SDC Heating Services Limited was incorporated on 9 February 2011, 15 years ago.
What is the penalty if SDC Heating Services 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 SDC Heating Services 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.