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- Plumbers and heating engineers
- Ilford
- Boiler Diagnostics Ltd
Company profile · Plumbers and heating engineers
Boiler Diagnostics Ltd
Boiler Diagnostics Ltd is a newly incorporated private limited company registered in Ilford, company number 16869066, one of 203 plumbing and heating companies in Ilford. Its next accounts are due at Companies House on 21 August 2027, and its first CT600 is due at HMRC on 20 November 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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Who runs and owns Boiler Diagnostics Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** N*** | Director | Nov 2025 |
Person with significant control
Where Boiler Diagnostics Ltd is registered
The registered office is in Ilford (IG2), in the Redbridge local authority area, London. Show IG2 7AP on a map.
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What happens if Boiler Diagnostics 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Aug 2027 to 21 Sep 2027 | £150 |
| 1 to 3 months late | 22 Sep 2027 to 21 Nov 2027 | £375 |
| 3 to 6 months late | 22 Nov 2027 to 21 Feb 2028 | £750 |
| More than 6 months late | From 22 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16869066
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2025
- Registered office
- 22 Mafeking Avenue, Ilford, IG2 7AP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (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 Ilford
Other active plumbing and heating companies registered in Ilford.
- BP Energy Ltd2024
- Breezy Solutions Ltd2025
- Britannia Heating Solutions Ltd2013
- Carmine Services Ltd2022
- Cat Plumbing Ltd2017
- Central City Plumbers Limited2025
- Climrelax Ltd2026
- Core Gas Solutions Ltd2026
All plumbing and heating companies in Ilford · All trades in Ilford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Boiler Diagnostics Ltd's accounts due?
Boiler Diagnostics Ltd's next accounts are due at Companies House by 21 August 2027 (in 313 days), covering the period to 30 November 2026.
When is Boiler Diagnostics 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 November 2026, due by 20 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Boiler Diagnostics Ltd still trading?
Boiler Diagnostics 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 Boiler Diagnostics Ltd do?
Boiler Diagnostics Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Boiler Diagnostics Ltd?
Boiler Diagnostics Ltd was incorporated on 21 November 2025, less than a year ago.
Who runs Boiler Diagnostics Ltd?
Boiler Diagnostics Ltd has 1 active director, the longest-serving appointed in Nov 2025. Their names and service addresses are on the Companies House register.
Who owns Boiler Diagnostics Ltd?
One person or company has significant control of Boiler Diagnostics Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Boiler Diagnostics 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 Boiler Diagnostics 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.