- Companies
- Plumbers and heating engineers
- London
- Aquastar Mechanical & Electrical Ltd
Aquastar Mechanical & Electrical Ltd
- Company number
- 13569686
- Incorporated
- 17 Aug 20215 years trading
- Registered office
- 41 Bacon Lane, London, NW9 9AY
- Nature of business
- Plumbing, heat and air-conditioning installation
Aquastar Mechanical & Electrical Ltd is a 5-year-old private limited company registered in London, company number 13569686, 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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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 £55K (-86.8%) on the year before, to £8,345.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £8,345 | £8,345 | £8,345 | 0 | |
| 31 Mar 2024 | £63K | £58K | £128K | £65K | 0 |
| 31 Mar 2023 | £86K | £141K | £29K | 0 | |
| 31 Jul 2022 | £68K | £66K | £92K | £26K | 0 |
| 16 Aug 2021 | £0 | £0 |
Where Aquastar Mechanical & Electrical Ltd is registered
The registered office is in London (NW9), in the Brent local authority area, London. Show NW9 9AY on a map.
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What happens if Aquastar Mechanical & Electrical 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
- 13569686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2021 (5 years ago)
- Registered office
- 41 Bacon Lane, London, NW9 9AY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 January 2026
- Previous names
- As Aquastar Plumbing & Heating Ltd (until 12 Mar 2025)
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.
- Aquavault Plumbing Ltd2025
- Aquello Ltd2026
- Aquoza Ltd2019
- Ar Gas and Plumbing Ltd2024
- Ar London Property Services Ltd2026
- Araz Property Maintenance Ltd2026
- Arbor Construction Solutions Ltd2022
- Arctic Breeze (London) Ltd2015
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Aquastar Mechanical & Electrical Ltd's accounts due?
Aquastar Mechanical & Electrical 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 Aquastar Mechanical & Electrical 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 Aquastar Mechanical & Electrical Ltd still trading?
Aquastar Mechanical & Electrical 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 Aquastar Mechanical & Electrical Ltd do?
Aquastar Mechanical & Electrical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Aquastar Mechanical & Electrical Ltd?
Aquastar Mechanical & Electrical Ltd was incorporated on 17 August 2021, 5 years ago.
What is the penalty if Aquastar Mechanical & Electrical 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 Aquastar Mechanical & Electrical 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.