- Companies
- Plumbers and heating engineers
- Magherafelt
- Conway Mechanical Services Limited
Conway Mechanical Services Limited
- Company number
- NI635987
- Incorporated
- 25 Jan 201610 years trading
- Registered office
- 24 Mountview Heights, Moneymore, Magherafelt, Derry, BT45 7QP
- Nature of business
- Plumbing, heat and air-conditioning installation
Conway Mechanical Services Limited is a 10-year-old private limited company registered in Magherafelt, company number NI635987, one of 15 plumbing and heating companies in Magherafelt. Its next accounts are due at Companies House on 31 January 2027, and its first CT600 is due at HMRC on 31 January 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 £30K (-59.4%) on the year before, to £20K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £55K against £28K owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £20K | £55K | £28K | 1 | |
| 31 Jan 2024 | £50K | £144K | £84K | 1 | |
| 31 Jan 2023 | £76K | £199K | £109K | 2 | |
| 31 Jan 2022 | £9,507 | £193K | £162K | 1 | |
| 31 Jan 2021 | £38K | £80K | £20K | 1 | |
| 31 Jan 2020 | £37K | £48K | £12K | ||
| 31 Jan 2019 | £37K | £45K | £9,711 | ||
| 31 Jan 2018 | £32K | £46K | £16K | ||
| 31 Jan 2017 | £24K | £10K | £32K | £9,865 |
Where Conway Mechanical Services Limited is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 7QP 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 Conway Mechanical Services Limited 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- NI635987
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 January 2016 (10 years ago)
- Registered office
- 24 Mountview Heights, Moneymore, Magherafelt, Derry, BT45 7QP
- 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 2025
- Last confirmation statement
- 24 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 Magherafelt
Other active plumbing and heating companies registered in Magherafelt.
- DMR Mechanical Ltd2018
- GS Plumbing & Heating (N.I.) Limited2016
- Ignite Plumbing Services (Ire) Ltd2021
- Industry Pipelines Ltd2019
- J & B Hamilton Limited2004
- Kieran Letters Plumbing & Heating Ltd2018
- Kmac Mechanical Ltd2016
- MCG Contracts Ltd2003
All plumbing and heating companies in Magherafelt · All trades in Magherafelt · Plumbers and heating engineers across the UK
Frequently asked questions
When are Conway Mechanical Services Limited's accounts due?
Conway Mechanical Services Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Conway Mechanical Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 January 2026, due by 31 January 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Conway Mechanical Services Limited still trading?
Conway Mechanical Services Limited 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 Conway Mechanical Services Limited do?
Conway Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Conway Mechanical Services Limited?
Conway Mechanical Services Limited was incorporated on 25 January 2016, 10 years ago.
What is the penalty if Conway Mechanical Services Limited 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 Conway Mechanical Services Limited 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.