- Companies
- Electricians
- London
- DNM Mechanichal Services Ltd
DNM Mechanichal Services Ltd
- Company number
- 13615214
- Incorporated
- 10 Sep 20215 years trading
- Registered office
- Room D, Flat 6 Parade Mansions, Vivian Avenue, London, NW4 3XR
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
DNM Mechanichal Services Ltd is a 5-year-old private limited company registered in London, company number 13615214, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £632 (-27.8%) on the year before, to -£2,903.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£2,903 | 1 | |||
| 30 Sep 2024 | -£2,271 | 0 | |||
| 30 Sep 2023 | -£1,636 | 0 | |||
| 30 Sep 2022 | -£1,069 | 0 |
Where DNM Mechanichal Services Ltd is registered
The registered office is in London (NW4), in the Barnet local authority area, London. Show NW4 3XR on a map.
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- Westchester Services LimitedFacilities management
- Amier LtdBuilders
- Remmets LtdProperty developers
- Solar Nest LtdElectricians
- Cranko Construction LtdFinishing trades
What happens if DNM Mechanichal 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 13615214
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2021 (5 years ago)
- Registered office
- Room D, Flat 6 Parade Mansions, Vivian Avenue, London, NW4 3XR
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 9 September 2025
- Previous names
- DNM Installations Ltd (until 3 Feb 2022)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- DNS Engineering Limited2011
- Doba Electrical Ltd2025
- Dolfin Electricals Ltd2010
- Domestic and Commercial Engineers Ltd2020
- Domi Electrical Limited2012
- Domi Property Services Ltd2021
- Domotics Electrical Ltd2023
- Domotics Limited2024
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are DNM Mechanichal Services Ltd's accounts due?
DNM Mechanichal Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is DNM Mechanichal Services Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is DNM Mechanichal Services Ltd still trading?
DNM Mechanichal Services Ltd is listed as active on the Companies House register (checked 13 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 DNM Mechanichal Services Ltd do?
DNM Mechanichal Services Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DNM Mechanichal Services Ltd?
DNM Mechanichal Services Ltd was incorporated on 10 September 2021, 5 years ago.
What is the penalty if DNM Mechanichal 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 DNM Mechanichal Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.