- Companies
- Plumbers and heating engineers
- Sidcup
- STC Plumbing and Heating Ltd
STC Plumbing and Heating Ltd
- Company number
- 08572203
- Incorporated
- 17 Jun 201313 years trading
- Registered office
- 118 Ramillies Road, Sidcup, DA15 9HZ
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
STC Plumbing and Heating Ltd is a 13-year-old private limited company registered in Sidcup, company number 08572203, one of 101 plumbing and heating companies in Sidcup. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £13 (-9%) on the year before, to £132.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £33K against £30K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £132 | £33K | £30K | 1 | |
| 30 Jun 2024 | £145 | £28K | £21K | 1 | |
| 30 Jun 2023 | £850 | £39K | £27K | 2 | |
| 30 Jun 2022 | £715 | £63K | £47K | 2 | |
| 30 Jun 2021 | £641 | £40K | £21K | 2 | |
| 30 Jun 2020 | £548 | £31K | £35K | 2 | |
| 30 Jun 2019 | £5,553 | £2,294 | £3,082 | ||
| 30 Jun 2018 | £6,923 | £4,793 | £3,441 | ||
| 30 Jun 2017 | £6,816 | £42 | £7,734 | £6,086 | |
| 30 Jun 2016 | £4,622 | £347 | £347 | £1,721 |
Where STC Plumbing and Heating Ltd is registered
The registered office is in Sidcup (DA15), in the Bexley local authority area, London. Show DA15 9HZ on a map.
Other trade companies in DA15
- Petrichor Gardens LtdLandscapers and gardeners
- J Kennor Plumbing LimitedPlumbers and heating engineers
- Buckson Property Maintenance LtdElectricians
- MN Cooper UK LtdMotor traders
- Husband at Home LtdInstallers
- First Choice Cars LDN LtdMotor traders
- TSLM Electrical Contractors LtdElectricians
- Airhaus LtdPlumbers and heating engineers
What happens if STC Plumbing and Heating Ltd 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 08572203
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2013 (13 years ago)
- Registered office
- 118 Ramillies Road, Sidcup, DA15 9HZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 11 January 2026
- Previous names
- Trimurti Building Ltd (until 31 Jul 2017)
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 Sidcup
Other active plumbing and heating companies registered in Sidcup.
- T and K HVAC Ltd2018
- Tettmar Water and Gas Limited2023
- TFJ Gas & Heating Ltd2024
- TG Plumbing Ltd2025
- The Oil Fired Cooking and Heating Co Limited2019
- Trotters Independent Tradesmen Ltd2013
- Ukb (London) Limited2019
- Vellatec Limited2017
All plumbing and heating companies in Sidcup · All trades in Sidcup · Plumbers and heating engineers across the UK
Frequently asked questions
When are STC Plumbing and Heating Ltd's accounts due?
STC Plumbing and Heating Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is STC Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is STC Plumbing and Heating Ltd still trading?
STC Plumbing and Heating Ltd 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 STC Plumbing and Heating Ltd do?
STC Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is STC Plumbing and Heating Ltd?
STC Plumbing and Heating Ltd was incorporated on 17 June 2013, 13 years ago.
What is the penalty if STC Plumbing and Heating Ltd 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 STC Plumbing and Heating Ltd 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.