- Companies
- Electricians
- Portsmouth
- Heattech M&H Ltd
Heattech M&H Ltd
- Company number
- 16169369
- Incorporated
- 7 Jan 20251 year trading
- Registered office
- 62 Hilsea Crescent, Portsmouth, PO2 9SN
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation
Heattech M&H Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16169369, one of 148 electrical contractors in Portsmouth. Companies House shows its accounts as overdue: they were due on 7 October 2026.
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 Heattech M&H Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 9SN on a map.
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- Xyz Developments LtdProperty developers
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What happens if Heattech M&H Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Oct 2026 to 7 Nov 2026 | £150 |
| 1 to 3 months late | 8 Nov 2026 to 7 Jan 2027 | £375 |
| 3 to 6 months late | 8 Jan 2027 to 7 Apr 2027 | £750 |
| More than 6 months late | From 8 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16169369
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2025 (1 year ago)
- Registered office
- 62 Hilsea Crescent, Portsmouth, PO2 9SN
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 January 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Portsmouth
Other active electrical contractors registered in Portsmouth.
- Hudsons Electrical Limited2005
- Hurtig Limited2018
- Inspector Electrical Ltd2025
- Insync Networks Ltd2012
- J Logan Electrical Ltd2018
- Javelin Controls Limited2013
- JD Marine Ltd2021
- JMS Southern Ltd2026
All electrical contractors in Portsmouth · All trades in Portsmouth · Electricians across the UK
Frequently asked questions
When are Heattech M&H Ltd's accounts due?
Heattech M&H Ltd's accounts were due at Companies House on 7 October 2026 and the register shows them as overdue.
When is Heattech M&H 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 6 January 2026, due by 6 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Heattech M&H Ltd still trading?
Heattech M&H 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 Heattech M&H Ltd do?
Heattech M&H Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Heattech M&H Ltd?
Heattech M&H Ltd was incorporated on 7 January 2025, 1 year ago.
What is the penalty if Heattech M&H 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 Heattech M&H 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.