- Companies
- Plumbers and heating engineers
- Lincoln
- No1 British Boilers Ltd
No1 British Boilers Ltd
- Company number
- 14186323
- Incorporated
- 21 Jun 20224 years trading
- Registered office
- 9 Ryegrass View, Wragby, Lincoln, Lincolnshire, LN8 5AP
- Nature of business
- Plumbing, heat and air-conditioning installation
No1 British Boilers Ltd is a 4-year-old private limited company registered in Lincoln, company number 14186323, one of 130 plumbing and heating companies in Lincoln. 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 £41K (-174.8%) on the year before, to -£65K.
- Current assets of £38K against £79K owed within a year: 0.5 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£65K | £38K | £79K | 4 | |
| 30 Jun 2024 | -£24K | £20K | £37K | 3 | |
| 30 Jun 2023 | -£15K | £15K | 3 |
Where No1 British Boilers Ltd is registered
The registered office is in Lincoln (LN8), in the East Lindsey local authority area, East Midlands. Show LN8 5AP on a map.
Other trade companies in LN8
- MJM Civils LimitedCivil engineering
- Engineer Direct (Lincolnshire) LtdElectricians
- Manic Vehicle Sales LtdMotor traders
- JCS Plumbing & Heating (Lincs) LtdPlumbers and heating engineers
- Buzzard Roofing LimitedRoofers
- Ojs Civil Engineering LtdCivil engineering
- Rapid Fix Tyres LtdMechanics and garages
- FH Paint LimitedPainters and decorators
What happens if No1 British 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 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
- 14186323
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 June 2022 (4 years ago)
- Registered office
- 9 Ryegrass View, Wragby, Lincoln, Lincolnshire, LN8 5AP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 20 June 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 Lincoln
Other active plumbing and heating companies registered in Lincoln.
- Ob Plumbing & Heating Limited2021
- Paris Plumbing Ltd2024
- Parsons Heating Limited2004
- Pinnacle (Lincs) Limited2014
- Pipework Services Ltd2003
- Plumb Co (Lincoln) Ltd2022
- Plumb Right Plumbing Limited2023
- Plumb Tech (Lincoln) Limited2018
All plumbing and heating companies in Lincoln · All trades in Lincoln · Plumbers and heating engineers across the UK
Frequently asked questions
When are No1 British Boilers Ltd's accounts due?
No1 British Boilers 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 No1 British Boilers 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 No1 British Boilers Ltd still trading?
No1 British 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 No1 British Boilers Ltd do?
No1 British Boilers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is No1 British Boilers Ltd?
No1 British Boilers Ltd was incorporated on 21 June 2022, 4 years ago.
What is the penalty if No1 British 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 No1 British 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.