- Companies
- Plumbers and heating engineers
- London
- Ac.L.S Installations & Maintenance Ltd
Ac.L.S Installations & Maintenance Ltd
- Company number
- 15570864
- Incorporated
- 17 Mar 20242 years trading
- Registered office
- 62A Brondesbury Park, London, NW6 7AT
- Nature of business
- Plumbing, heat and air-conditioning installation
Ac.L.S Installations & Maintenance Ltd is a 2-year-old private limited company registered in London, company number 15570864, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Ac.L.S Installations & Maintenance Ltd is registered
The registered office is in London (NW6), in the Brent local authority area, London. Show NW6 7AT on a map.
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What happens if Ac.L.S Installations & Maintenance 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 15570864
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2024 (2 years ago)
- Registered office
- 62A Brondesbury Park, London, NW6 7AT
- 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 2025
- Last confirmation statement
- 16 March 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.
- Ac/DC Climate Solutions Ltd2026
- Academy Building Contractors Limited2003
- Acc Contractors Ltd2025
- Acc Midlands Plumbing Ltd2023
- Acclaim Plumbing and Gas Ltd2020
- Ace Boilers Ltd2021
- Ace Rapid Plumbing Ltd2023
- Ach Fix Ltd2022
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ac.L.S Installations & Maintenance Ltd's accounts due?
Ac.L.S Installations & Maintenance Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Ac.L.S Installations & Maintenance Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Ac.L.S Installations & Maintenance Ltd still trading?
Ac.L.S Installations & Maintenance 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 Ac.L.S Installations & Maintenance Ltd do?
Ac.L.S Installations & Maintenance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ac.L.S Installations & Maintenance Ltd?
Ac.L.S Installations & Maintenance Ltd was incorporated on 17 March 2024, 2 years ago.
What is the penalty if Ac.L.S Installations & Maintenance 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 Ac.L.S Installations & Maintenance 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.