- Companies
- Plumbers and heating engineers
- Whitby
- Dualmech Ltd
Dualmech Ltd
- Company number
- 06879466
- Incorporated
- 16 Apr 200917 years trading
- Registered office
- Newton Haye, Sneaton, Whitby, YO22 5JD
- Nature of business
- Plumbing, heat and air-conditioning installation
Dualmech Ltd is a 17-year-old private limited company registered in Whitby, company number 06879466, one of 16 plumbing and heating companies in Whitby. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £217K (+863.9%) on the year before, to £242K.
- Current assets of £1.5M against £1.2M owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £242K | £249K | £1.5M | £1.2M | 0 |
| 30 Apr 2024 | £25K | £13K | £842K | £738K | 0 |
| 30 Apr 2018 | £85K | £47K | £137K | £70K | |
| 30 Apr 2017 | £30K | £96K | |||
| 30 Apr 2016 | £8,702 | £40K | £133K | £169K | |
| 30 Apr 2015 | -£690 | £8,584 | £55K | £84K |
Where Dualmech Ltd is registered
The registered office is in Whitby (YO22), in the North Yorkshire local authority area, Yorkshire and The Humber. Show YO22 5JD on a map.
Other trade companies in YO22
- BMR Commercial LtdProperty developers
- J P Roofing and Renovations LtdBuilders
- Fern Leisure LtdProperty developers
- PBL Plant LtdSpecialist contractors
- Suresafe Group LimitedPlumbers and heating engineers
- Sigma Tyres & Autocare LtdMechanics and garages
- HM Traders Europe LtdMotor traders
- Whitby Property Maintenance LtdInstallers
Also registered at this address
1 other company uses the same registered office as Dualmech Ltd.
- BMR Commercial LtdProperty developers
What happens if Dualmech 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 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
- 06879466
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2009 (17 years ago)
- Registered office
- Newton Haye, Sneaton, Whitby, YO22 5JD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 20 June 2026
- Previous names
- Proficient Plumbing Ltd (until 5 Jan 2018)
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 Whitby
Other active plumbing and heating companies registered in Whitby.
- G Wright Plumbing & Heating Services Limited2023
- Graham Wicking Limited2003
- Ivan Ross Plumbing & Heating Limited2003
- JTP Plumbing and Heating Ltd2020
- Mike Hogarth Limited2001
- N R Pybus Ltd2001
- Plumb Tech (Cleveland) Ltd2004
- Rose Mechanical Ltd2022
All plumbing and heating companies in Whitby · All trades in Whitby · Plumbers and heating engineers across the UK
Frequently asked questions
When are Dualmech Ltd's accounts due?
Dualmech Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Dualmech Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Dualmech Ltd still trading?
Dualmech 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 Dualmech Ltd do?
Dualmech Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dualmech Ltd?
Dualmech Ltd was incorporated on 16 April 2009, 17 years ago.
What is the penalty if Dualmech 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 Dualmech 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.