- Companies
- Plumbers and heating engineers
- Rugby
- Mas Heating Systems Limited
Mas Heating Systems Limited
- Company number
- 04565919
- Incorporated
- 17 Oct 200223 years trading
- Registered office
- Central Chambers, 45-47 Albert Street, Rugby, Warwickshire, CV21 2SG
- Nature of business
- Plumbing, heat and air-conditioning installation
Mas Heating Systems Limited is a 23-year-old private limited company registered in Rugby, company number 04565919, one of 42 plumbing and heating companies in Rugby. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £22K (+83.7%) on the year before, to -£4,251.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £38K against £60K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- 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 Mar 2025 | -£4,251 | £25K | £38K | £60K | 2 |
| 31 Mar 2024 | -£26K | £9,899 | £25K | £37K | 2 |
| 31 Mar 2023 | -£29K | £4,028 | £17K | £29K | 2 |
| 31 Mar 2022 | -£27K | £42 | £22K | £30K | 3 |
| 31 Mar 2021 | -£31K | £42 | £20K | £32K | 3 |
| 31 Mar 2020 | -£29K | £42 | £14K | £45K | 3 |
| 31 Mar 2019 | -£5,872 | £42 | £26K | £34K | 3 |
| 31 Mar 2018 | £2,216 | £42 | £36K | £36K | 3 |
| 31 Mar 2017 | -£4,076 | £42 | £25K | £31K | 3 |
| 31 Mar 2016 | £515 | £42 | £46K | £49K |
Who runs and owns Mas Heating Systems Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Oct 2002 |
| M*** S*** | Director | Oct 2002 |
| M*** S*** | Secretary | Oct 2002 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Temple Secretaries Limited | Corporate Nominee Secretary | Oct 2002 | Oct 2002 |
| Company Directors Limited | Nominee director (company) | Oct 2002 | Oct 2002 |
People with significant control (2)
Where Mas Heating Systems Limited is registered
The registered office is in Rugby (CV21), in the Rugby local authority area, West Midlands. Show CV21 2SG on a map.
Other trade companies in CV21
- Mikse Passive Fire Protection LtdBuilders
- Kpandi Builders LtdBuilders
- V2 Motors LtdMotor traders
- Grounded Site Maintenance LtdLandscapers and gardeners
- Primecoat Refurbishments LtdMechanics and garages
- Moz LimitedScaffolders
- H & Yoens LtdProperty developers
- Peter David Poole Property Services LtdProperty developers
Also registered at this address
7 other companies use the same registered office as Mas Heating Systems Limited.
- C & N Properties (Midlands) LtdProperty developers
- HB Developments Rugby LimitedProperty developers
- Just the Business Daventry LimitedMechanics and garages
- McMillan Alloys LimitedMechanics and garages
- Oakmoores Interiors LimitedInstallers
- S J Darker Contracting LimitedGroundworks and demolition
- Stewart Taylor Generator Specialist LimitedMachinery repair and installation
What happens if Mas Heating Systems 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04565919
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 October 2002 (23 years ago)
- Registered office
- Central Chambers, 45-47 Albert Street, Rugby, Warwickshire, CV21 2SG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 September 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 Rugby
Other active plumbing and heating companies registered in Rugby.
- MDHP Limited2014
- MR Underfloor Limited2022
- MW Heating Limited2007
- Otr Plumbing & Heating Ltd2024
- Phoenix Services Plumbing Ltd2020
- Pulsar Renewable Energy Solutions Ltd.2022
- R Gercs Plumbing & Heating Limited2019
- Reeds Plumbing & Heating Contractors Limited2002
All plumbing and heating companies in Rugby · All trades in Rugby · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mas Heating Systems Limited's accounts due?
Mas Heating Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Mas Heating Systems Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Mas Heating Systems Limited still trading?
Mas Heating Systems 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 Mas Heating Systems Limited do?
Mas Heating Systems Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mas Heating Systems Limited?
Mas Heating Systems Limited was incorporated on 17 October 2002, 23 years ago.
Who runs Mas Heating Systems Limited?
Mas Heating Systems Limited has 2 active directors, the longest-serving appointed in Oct 2002. Their names and service addresses are on the Companies House register.
Who owns Mas Heating Systems Limited?
2 people or companies have significant control of Mas Heating Systems Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Mas Heating Systems 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 Mas Heating Systems 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.