- Companies
- Plumbers and heating engineers
- Magherafelt
- A & S Mechanical (N.I.) Ltd
A & S Mechanical (N.I.) Ltd
- Company number
- NI609885
- Incorporated
- 10 Nov 201114 years trading
- Registered office
- 142 Shore Road, Ballyronan, Magherafelt, Co. Londonderry, BT45 6LS
- Nature of business
- Plumbing, heat and air-conditioning installation
A & S Mechanical (N.I.) Ltd is a 14-year-old private limited company registered in Magherafelt, company number NI609885, one of 15 plumbing and heating companies in Magherafelt. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £134K (+13.5%) on the year before, to £1.1M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £3.2M against £3.2M owed within a year: 1.0 times cover.
- 7 employees on average, down from 8 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £1.1M | £2.4M | £3.2M | £3.2M | 7 |
| 31 Oct 2024 | £987K | £2.2M | £3.3M | £3M | 8 |
| 31 Oct 2023 | £973K | £3M | £3.3M | £2.6M | 9 |
| 31 Oct 2022 | £905K | £2.7M | £2.9M | £2.3M | 13 |
| 31 Oct 2021 | £845K | £2.3M | £2.5M | £1.9M | 12 |
| 31 Oct 2020 | £734K | £2M | £1.5M | 7 | |
| 31 Oct 2019 | £618K | £1.4M | £1.6M | £1.2M | 8 |
| 31 Oct 2018 | £507K | £1.1M | £1.4M | £1.1M | 9 |
| 31 Oct 2017 | £389K | £981K | £1.2M | £928K | |
| 31 Oct 2016 | £274K | £675K | £844K | £684K |
Who runs and owns A & S Mechanical (N.I.) Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** M*** | Director | Nov 2011 |
| J*** M*** | Director | Aug 2022 |
People with significant control (2)
Where A & S Mechanical (N.I.) Ltd is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 6LS on a map.
Other trade companies in BT45
- Oakleaf Modular Solutions LimitedSpecialist contractors
- Decorfinishni LtdPainters and decorators
- Tonagh Construction Services LtdSpecialist contractors
- Es Brickwork LtdSpecialist contractors
- CSS Ireland LtdSpecialist contractors
- 825 Contracts LtdBuilders
- Vind Services LtdMachinery repair and installation
- Braidwater (Strategic Land) LimitedProperty developers
What happens if A & S Mechanical (N.I.) 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- NI609885
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 November 2011 (14 years ago)
- Registered office
- 142 Shore Road, Ballyronan, Magherafelt, Co. Londonderry, BT45 6LS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 31 August 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 Magherafelt
Other active plumbing and heating companies registered in Magherafelt.
- Bateson Bros Ltd2011
- BC Plumbing & Heating Contracts Ltd2020
- BMP Contracts Ltd2013
- Conway Mechanical Services Limited2016
- DMR Mechanical Ltd2018
- GS Plumbing & Heating (N.I.) Limited2016
- Ignite Plumbing Services (Ire) Ltd2021
- Industry Pipelines Ltd2019
All plumbing and heating companies in Magherafelt · All trades in Magherafelt · Plumbers and heating engineers across the UK
Frequently asked questions
When are A & S Mechanical (N.I.) Ltd's accounts due?
A & S Mechanical (N.I.) Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is A & S Mechanical (N.I.) Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is A & S Mechanical (N.I.) Ltd still trading?
A & S Mechanical (N.I.) 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 A & S Mechanical (N.I.) Ltd do?
A & S Mechanical (N.I.) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A & S Mechanical (N.I.) Ltd?
A & S Mechanical (N.I.) Ltd was incorporated on 10 November 2011, 14 years ago.
Who runs A & S Mechanical (N.I.) Ltd?
A & S Mechanical (N.I.) Ltd has 2 active directors, the longest-serving appointed in Nov 2011. Their names and service addresses are on the Companies House register.
Who owns A & S Mechanical (N.I.) Ltd?
2 people or companies have significant control of A & S Mechanical (N.I.) Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if A & S Mechanical (N.I.) 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 A & S Mechanical (N.I.) 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.