- Companies
- Plumbers and heating engineers
- Rickmansworth
- Mark Allen Heating Ltd
Mark Allen Heating Ltd
- Company number
- 13174192
- Incorporated
- 2 Feb 20215 years trading
- Registered office
- 11 Valley Walk, Croxley Green, Rickmansworth, WD3 3TA
- Nature of business
- Plumbing, heat and air-conditioning installation
Mark Allen Heating Ltd is a 5-year-old private limited company registered in Rickmansworth, company number 13174192, one of 22 plumbing and heating companies in Rickmansworth. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £4,092 (-91.3%) on the year before, to £388.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £17K against £26K owed within a year: 0.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £388 | £17K | £26K | 0 | |
| 29 Feb 2024 | £4,480 | £19K | £27K | 0 | |
| 28 Feb 2023 | £7,360 | £20K | £20K | 0 | |
| 28 Feb 2022 | £21K | £23K | £12K | 0 |
Where Mark Allen Heating Ltd is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 3TA on a map.
Other trade companies in WD3
- DB Roofing Services LtdRoofers
- Ijesha Real Estate LtdProperty developers
- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
- Mill End Motor Company LtdMotor traders
- Daf Construction Services LtdBuilders
- J&V Customs LtdMechanics and garages
What happens if Mark Allen Heating 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13174192
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2021 (5 years ago)
- Registered office
- 11 Valley Walk, Croxley Green, Rickmansworth, WD3 3TA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 1 February 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 Rickmansworth
Other active plumbing and heating companies registered in Rickmansworth.
- Musgrove Plumbing Limited2025
- Nagle Mechanical Services Ltd2015
- P & M Maintenance Limited2026
- Pioneer Air Conditioning Services Ltd2024
- R&K Heating Solutions Ltd2024
- Smoothflow Commissioning Ltd1996
- TWS Plumbing Solutions Ltd2026
- Water Master Watford Ltd2025
All plumbing and heating companies in Rickmansworth · All trades in Rickmansworth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark Allen Heating Ltd's accounts due?
Mark Allen Heating Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Mark Allen Heating Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Mark Allen Heating Ltd still trading?
Mark Allen Heating 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 Mark Allen Heating Ltd do?
Mark Allen Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark Allen Heating Ltd?
Mark Allen Heating Ltd was incorporated on 2 February 2021, 5 years ago.
What is the penalty if Mark Allen Heating 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 Mark Allen Heating 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.