- Companies
- Plumbers and heating engineers
- London
- SG Building & Heating Ltd
SG Building & Heating Ltd
- Company number
- 10597997
- Incorporated
- 2 Feb 20179 years trading
- Registered office
- 49 West Ham Lane, London, E15 4PH
- Nature of business
- Plumbing, heat and air-conditioning installation
SG Building & Heating Ltd is a 9-year-old private limited company registered in London, company number 10597997, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £2,787 (+4.9%) on the year before, to -£54K.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | -£54K | £45 | £58K | 1 | |
| 28 Feb 2025 | -£57K | £202 | £60K | 1 | |
| 29 Feb 2024 | -£50K | £477 | £52K | 1 | |
| 28 Feb 2023 | -£31K | £74 | £29K | 1 | |
| 28 Feb 2022 | -£19K | £613 | £12K | 1 | |
| 28 Feb 2021 | -£16K | £298 | £5,843 | 1 | |
| 29 Feb 2020 | -£12K | £791 | £13K | 1 | |
| 28 Feb 2019 | £1,029 | £3,728 | £2,699 | ||
| 28 Feb 2018 | £1,014 | £741 | £1,014 |
Where SG Building & Heating Ltd is registered
The registered office is in London (E15), in the Newham local authority area, London. Show E15 4PH on a map.
Other trade companies in E15
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- 5 Star Tree Maintenance LimitedLandscapers and gardeners
- Sunconstruct LtdBuilders
- Samson Build LtdProperty developers
- Ic Perfect Services LtdBuilders
- Am Vent LtdBuilders
- Dana Services LtdBuilders
Shared registered office
26 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if SG Building & 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 10597997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2017 (9 years ago)
- Registered office
- 49 West Ham Lane, London, E15 4PH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 1 February 2026
- Previous names
- SG Plumbing & Heating Contractors Limited (until 18 Jun 2018)
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 London
Other active plumbing and heating companies registered in London.
- SG Plumbing Limited2025
- Shaba Plumbing & Heating Ltd2026
- Shaktira Group Limited2025
- Shally Ductwork Ltd2023
- Shaw Gas Works Ltd2024
- Shaw Response Ltd2026
- Shehu Plumbing & Heating Ltd2025
- Shivdhan Limited2018
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are SG Building & Heating Ltd's accounts due?
SG Building & Heating Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is SG Building & Heating Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is SG Building & Heating Ltd still trading?
SG Building & 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 SG Building & Heating Ltd do?
SG Building & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SG Building & Heating Ltd?
SG Building & Heating Ltd was incorporated on 2 February 2017, 9 years ago.
What is the penalty if SG Building & 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 SG Building & 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.