- Companies
- Plumbers and heating engineers
- Leeds
- Don Masper Ltd
Don Masper Ltd
- Company number
- 16938588
- Incorporated
- 1 Jan 2026
- Registered office
- 17 Sissons Street, Leeds, LS10 4LE
- Nature of business
- Plumbing, heat and air-conditioning installation
Don Masper Ltd is a newly incorporated private limited company registered in Leeds, company number 16938588, one of 357 plumbing and heating companies in Leeds. Its next accounts are due at Companies House on 1 October 2027, and its first CT600 is due at HMRC on 31 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Don Masper Ltd is registered
The registered office is in Leeds (LS10), in the Leeds local authority area, Yorkshire and The Humber. Show LS10 4LE on a map.
Other trade companies in LS10
- Mat Luxury Motors LtdMotor traders
- Avm Dryline LtdBuilders
- Nem Build LtdInstallers
- Goodshaw Motors LtdMotor traders
- JW & Son Roofing LtdRoofers
- Doors by Design (Leeds) LtdJoiners and carpenters
- Prime Build & Trade LtdPainters and decorators
- Aehale Electrical LimitedElectricians
Also registered at this address
1 other company uses the same registered office as Don Masper Ltd.
- Iri Plumbing LtdPlumbers and heating engineers
What happens if Don Masper 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 1 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Oct 2027 to 1 Nov 2027 | £150 |
| 1 to 3 months late | 2 Nov 2027 to 1 Jan 2028 | £375 |
| 3 to 6 months late | 2 Jan 2028 to 1 Apr 2028 | £750 |
| More than 6 months late | From 2 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16938588
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 January 2026
- Registered office
- 17 Sissons Street, Leeds, LS10 4LE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
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 Leeds
Other active plumbing and heating companies registered in Leeds.
- Douglas Plumbing & Heating Ltd2026
- Drakes Plumbing & Heating Services Ltd2020
- Duo Heating & Renewables Ltd2023
- E&I Plumbing and Heating Ltd2021
- Easiheat Ltd2021
- Easyplumbing Limited2005
- Eazy Gas Services Ltd2014
- Ejm Heating Solutions Ltd2022
All plumbing and heating companies in Leeds · All trades in Leeds · Plumbers and heating engineers across the UK
Frequently asked questions
When are Don Masper Ltd's accounts due?
Don Masper Ltd's next accounts are due at Companies House by 1 October 2027 (in 353 days), covering the period to 31 January 2027.
When is Don Masper Ltd'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 December 2026, due by 31 December 2027, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Don Masper Ltd still trading?
Don Masper 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 Don Masper Ltd do?
Don Masper Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Don Masper Ltd?
Don Masper Ltd was incorporated on 1 January 2026, less than a year ago.
What is the penalty if Don Masper 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 Don Masper 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.