- Companies
- Plumbers and heating engineers
- Enfield
- London Boiler Services Ltd
London Boiler Services Ltd
- Company number
- 12497571
- Incorporated
- 4 Mar 20206 years trading
- Registered office
- 2 Lockyer Mews, Enfield, EN3 6FU
- Nature of business
- Plumbing, heat and air-conditioning installation
London Boiler Services Ltd is a 6-year-old private limited company registered in Enfield, company number 12497571, one of 94 plumbing and heating companies in Enfield. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 £32K (+720.3%) on the year before, to £28K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £304K against £276K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £28K | £304K | £276K | 1 | |
| 31 Mar 2025 | -£4,462 | 1 | |||
| 31 Mar 2024 | -£11K | £11K | 0 | ||
| 31 Mar 2023 | £2,598 | £2,598 | 0 | ||
| 31 Mar 2022 | £2,598 | £2,598 | 0 | ||
| 31 Mar 2021 | £2,598 | £2,598 | 0 |
Public contracts won
London Boiler Services Ltd has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| CDS Cooperatives | Repairs & Maintenance and Planned Works Services Framework | Ceiling, not shown | 20 Apr 2026 |
Where London Boiler Services Ltd is registered
The registered office is in Enfield (EN3), in the Enfield local authority area, London. Show EN3 6FU on a map.
Other trade companies in EN3
- Revive&Refreshteam LtdPainters and decorators
- Kyei Enterprise LtdFinishing trades
- Emss Spark LtdCleaning companies
- Gleneast Construction LimitedFinishing trades
- Ainarkar Cars LimitedMotor traders
- Satx LtdBuilders
- TKZ118 LtdJoiners and carpenters
- Afm Drive LtdMotor traders
What happens if London Boiler Services 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12497571
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2020 (6 years ago)
- Registered office
- 2 Lockyer Mews, Enfield, EN3 6FU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 16 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Enfield
Other active plumbing and heating companies registered in Enfield.
- Lootop Cooling Systems Ltd2019
- LT Engineer Ltd2020
- Mario Boilers Ltd2021
- MC Gas & Plumbing 24/7 Limited2019
- MC Plumbing London Ltd2026
- Medway Heating & Plumbing Ltd2024
- Modern Plumbing and Heating Ltd2008
- Murat Plumber Ltd2026
All plumbing and heating companies in Enfield · All trades in Enfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are London Boiler Services Ltd's accounts due?
London Boiler Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 443 days), covering the period to 31 March 2027.
When is London Boiler Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is London Boiler Services Ltd still trading?
London Boiler Services 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 London Boiler Services Ltd do?
London Boiler Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is London Boiler Services Ltd?
London Boiler Services Ltd was incorporated on 4 March 2020, 6 years ago.
Has London Boiler Services Ltd won public sector contracts?
Yes. London Boiler Services Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from CDS Cooperatives.
What is the penalty if London Boiler Services 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 London Boiler Services 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.