- Companies
- Plumbers and heating engineers
- London
- Commercial Gas Safety Certificates Ltd
Commercial Gas Safety Certificates Ltd
- Company number
- 10782861
- Incorporated
- 22 May 20179 years trading
- Registered office
- Eagle House, 163 City Road, London, EC1V 1NR
- Nature of business
- Plumbing, heat and air-conditioning installation
Commercial Gas Safety Certificates Ltd is a 9-year-old private limited company registered in London, company number 10782861, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 unchanged on the year before, at £5,715.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £5,390 against £3,225 owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £5,715 | £5,390 | £3,225 | 1 | |
| 30 Mar 2024 | £5,715 | £5,390 | £3,225 | 1 | |
| 30 Mar 2023 | £1 | £1 | 2 | ||
| 31 Mar 2022 | -£5,802 | £2,525 | £9,444 | 0 | |
| 30 Apr 2021 | -£499 | £1 | £500 | 0 | |
| 31 Mar 2021 | £2,519 | £2,451 | £1,832 | 0 | |
| 30 Nov 2019 | £1 | £0 | |||
| 31 May 2019 | £1 | £0 | |||
| 30 Nov 2018 | £1 | £0 | |||
| 31 May 2018 | £1 | £0 |
Where Commercial Gas Safety Certificates Ltd is registered
The registered office is in London (EC1V), in the Hackney local authority area, London. Show EC1V 1NR on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Also registered at this address
4 other companies use the same registered office as Commercial Gas Safety Certificates Ltd.
- Bincloud Construction LtdProperty developers
- Build 121 LtdBuilders
- Design 121 LimitedSpecialist contractors
- H1 Clean LtdCleaning companies
What happens if Commercial Gas Safety Certificates 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 10782861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2017 (9 years ago)
- Registered office
- Eagle House, 163 City Road, London, EC1V 1NR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 11 July 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 London
Other active plumbing and heating companies registered in London.
- Commercial Heating London Ltd2016
- Complete Bathroom Renovations Ltd2026
- Complete Plumbing Clean Energy DM Limited2015
- Complete Property Specialists Ltd2019
- Complex Pipe Limited2020
- Concealed Climate Limited2026
- Connaught Plumbing and Heating Ltd2024
- Cookham Plumbing and Heating Ltd2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Commercial Gas Safety Certificates Ltd's accounts due?
Commercial Gas Safety Certificates Ltd's next accounts are due at Companies House by 30 December 2026 (in 77 days), covering the period to 30 March 2026.
When is Commercial Gas Safety Certificates Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Commercial Gas Safety Certificates Ltd still trading?
Commercial Gas Safety Certificates 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 Commercial Gas Safety Certificates Ltd do?
Commercial Gas Safety Certificates Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Commercial Gas Safety Certificates Ltd?
Commercial Gas Safety Certificates Ltd was incorporated on 22 May 2017, 9 years ago.
What is the penalty if Commercial Gas Safety Certificates 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 Commercial Gas Safety Certificates 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.