- Companies
- Plumbers and heating engineers
- London
- Blackheath Boilers Ltd
Blackheath Boilers Ltd
- Company number
- 16800726
- Incorporated
- 21 Oct 2025
- Registered office
- 133 Creek Road, Creek Road, London, SE8 3BU
- Nature of business
- Plumbing, heat and air-conditioning installation
Blackheath Boilers Ltd is a newly incorporated private limited company registered in London, company number 16800726, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 21 July 2027, and its first CT600 is due at HMRC on 20 October 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 Blackheath Boilers Ltd is registered
The registered office is in London (SE8), in the Greenwich local authority area, London. Show SE8 3BU on a map.
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- Pristino Cleaning Services LtdCleaning companies
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Also registered at this address
3 other companies use the same registered office as Blackheath Boilers Ltd.
- Azure Notions LimitedElectricians
- Hoang Gia Construction LtdFinishing trades
- South London Holding Company LimitedMachinery repair and installation
What happens if Blackheath Boilers 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 21 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jul 2027 to 21 Aug 2027 | £150 |
| 1 to 3 months late | 22 Aug 2027 to 21 Oct 2027 | £375 |
| 3 to 6 months late | 22 Oct 2027 to 21 Jan 2028 | £750 |
| More than 6 months late | From 22 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16800726
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 October 2025
- Registered office
- 133 Creek Road, Creek Road, London, SE8 3BU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Blackstone Services Limited2023
- BLB Plumbing and Heating Group Ltd2020
- Blissfix Plumbing and Heating Ltd2026
- Blomfield Heating Ltd2024
- Blue Cone Limited2018
- Blue Flame Contractors Limited2022
- Blue Flamma Heating&Plumbing Limited2025
- Blue Shield Maintenance Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Blackheath Boilers Ltd's accounts due?
Blackheath Boilers Ltd's next accounts are due at Companies House by 21 July 2027 (in 281 days), covering the period to 31 October 2026.
When is Blackheath Boilers Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 October 2026, due by 20 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blackheath Boilers Ltd still trading?
Blackheath Boilers 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 Blackheath Boilers Ltd do?
Blackheath Boilers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Blackheath Boilers Ltd?
Blackheath Boilers Ltd was incorporated on 21 October 2025, less than a year ago.
What is the penalty if Blackheath Boilers 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 Blackheath Boilers 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.