- Companies
- Plumbers and heating engineers
- Erith
- Acm Mechanical Ltd
Acm Mechanical Ltd
- Company number
- 13827495
- Incorporated
- 4 Jan 20224 years trading
- Registered office
- 17 Normandy Way, Erith, DA8 3PX
- Nature of business
- Plumbing, heat and air-conditioning installation
Acm Mechanical Ltd is a 4-year-old private limited company registered in Erith, company number 13827495, one of 36 plumbing and heating companies in Erith. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £2,425 (+27.3%) on the year before, to £11K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £11K | £22K | 2 | ||
| 31 Jan 2025 | £8,893 | £4,321 | £20K | £11K | 2 |
| 31 Jan 2024 | £7,064 | £4,463 | £18K | £11K | 2 |
| 31 Jan 2023 | £6,650 | £3,126 | £17K | £10K | 2 |
Where Acm Mechanical Ltd is registered
The registered office is in Erith (DA8), in the Bexley local authority area, London. Show DA8 3PX on a map.
Other trade companies in DA8
- Globaltrade321 LtdBuilders
- The Pheasant Garage (S.E.) LtdMechanics and garages
- Roman Square Group LtdBuilders
- Rigor Air Conditioning LtdPlumbers and heating engineers
- SPN Cleaning Service LtdCleaning companies
- Olivia’S Bathrooms and Kitchens LtdInstallers
- CBV Auto LtdMechanics and garages
- Abbewood LtdMotor traders
What happens if Acm Mechanical 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13827495
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2022 (4 years ago)
- Registered office
- 17 Normandy Way, Erith, DA8 3PX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 3 January 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 Erith
Other active plumbing and heating companies registered in Erith.
- Advanced Gas Ltd2010
- Bel Plumbing Services Ltd2014
- BPCH Ltd2024
- C.M.Beazer Ltd2015
- D Ward Maintenance (UK) Limited2015
- D Ward Plumbing Limited2006
- DGN Domestic Services Limited2022
- Ductrix Ltd2025
All plumbing and heating companies in Erith · All trades in Erith · Plumbers and heating engineers across the UK
Frequently asked questions
When are Acm Mechanical Ltd's accounts due?
Acm Mechanical Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Acm Mechanical Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Acm Mechanical Ltd still trading?
Acm Mechanical 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 Acm Mechanical Ltd do?
Acm Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Acm Mechanical Ltd?
Acm Mechanical Ltd was incorporated on 4 January 2022, 4 years ago.
What is the penalty if Acm Mechanical 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 Acm Mechanical 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.