- Companies
- Plumbers and heating engineers
- Dungannon
- RMK Bathrooms Ltd
RMK Bathrooms Ltd
- Company number
- NI691079
- Incorporated
- 12 Sep 20224 years trading
- Registered office
- 86A Mullanahoe Road, Dungannon, BT71 5AU
- Nature of business
- Plumbing, heat and air-conditioning installation; Other retail sale not in stores, stalls or markets
RMK Bathrooms Ltd is a 4-year-old private limited company registered in Dungannon, company number NI691079, one of 30 plumbing and heating companies in Dungannon. 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 up £35K (+128.1%) on the year before, to £63K.
- Current assets of £60K against £59K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £63K | £60K | £59K | 0 | |
| 30 Sep 2024 | £28K | £47K | £75K | 1 | |
| 30 Sep 2023 | £7,950 | £90K | £113K | 3 |
Where RMK Bathrooms Ltd is registered
The registered office is in Dungannon (BT71), in the Mid Ulster local authority area, Northern Ireland. Show BT71 5AU on a map.
Other trade companies in BT71
- Fab Blast NI LtdSpecialist contractors
- Coleman Surfacing LtdCivil engineering
- GLS Contracts LtdBuilders
- JP Cleaning Specialists LtdRoofers
- Roadline Automotive LtdMotor traders
- Glasstech Windscreens Irl LtdMechanics and garages
- CT Vehicle Services LtdMechanics and garages
- House of Automotive LtdMotor traders
What happens if RMK Bathrooms 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
- NI691079
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2022 (4 years ago)
- Registered office
- 86A Mullanahoe Road, Dungannon, BT71 5AU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other retail sale not in stores, stalls or markets (SIC 47990) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 11 September 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 Dungannon
Other active plumbing and heating companies registered in Dungannon.
- S Cullen Plumbing Ltd2026
- SMG Mechanical Ltd2025
- Sydney Brown & Son Ltd2003
- Synk Bathrooms Ltd2023
- Taq Mechanical Ltd2024
- Amc365 Ltd2025
- Big Bear Stoves Ltd2025
- BJ McGrath Mechanical Ltd2019
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are RMK Bathrooms Ltd's accounts due?
RMK Bathrooms 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 RMK Bathrooms 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 RMK Bathrooms Ltd still trading?
RMK Bathrooms 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 RMK Bathrooms Ltd do?
RMK Bathrooms Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other retail sale not in stores, stalls or markets (SIC 47990).
How old is RMK Bathrooms Ltd?
RMK Bathrooms Ltd was incorporated on 12 September 2022, 4 years ago.
What is the penalty if RMK Bathrooms 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 RMK Bathrooms 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.