- Companies
- Electricians
- Hart Construction Group Ltd
Hart Construction Group Ltd
- Company number
- 16621082
- Incorporated
- 1 Aug 20251 year trading
- Registered office
- The Parade, St Marys, Isles Of Scilly, TR21 0LP
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Combined facilities support activities
Hart Construction Group Ltd is a 1-year-old private limited company registered in St Marys, company number 16621082, one of the UK's electrical contractors. Its next accounts are due at Companies House on 1 May 2027, and its first CT600 is due at HMRC on 31 July 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 Hart Construction Group Ltd is registered
The registered office is in St Marys (TR21), in the Isles of Scilly local authority area, South West. Show TR21 0LP on a map.
Other trade companies in TR21
- Atlas Construction Plant Services LimitedSpecialist contractors
- Ginnick Property Construction LimitedBuilders
- Island Outboard Services (Ios) LtdMachinery repair and installation
- C.J Stone Works LtdProperty developers
- Steve Oates LimitedMachinery repair and installation
- Ios Boat Co LtdMachinery repair and installation
- P R Gilbert Plumbing and Heating LimitedPlumbers and heating engineers
- Scillonian Trading LimitedFinishing trades
What happens if Hart Construction Group 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 May 2027 to 1 Jun 2027 | £150 |
| 1 to 3 months late | 2 Jun 2027 to 1 Aug 2027 | £375 |
| 3 to 6 months late | 2 Aug 2027 to 1 Nov 2027 | £750 |
| More than 6 months late | From 2 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16621082
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2025 (1 year ago)
- Registered office
- The Parade, St Marys, Isles Of Scilly, TR21 0LP
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Combined facilities support activities (SIC 81100) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 1 September 2026
- Previous names
- Island Facilities Limited (until 16 Jan 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
Other active electrical contractors.
Frequently asked questions
When are Hart Construction Group Ltd's accounts due?
Hart Construction Group Ltd's next accounts are due at Companies House by 1 May 2027 (in 200 days), covering the period to 31 December 2026.
When is Hart Construction Group 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 July 2026, due by 31 July 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hart Construction Group Ltd still trading?
Hart Construction Group 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 Hart Construction Group Ltd do?
Hart Construction Group Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Combined facilities support activities (SIC 81100).
How old is Hart Construction Group Ltd?
Hart Construction Group Ltd was incorporated on 1 August 2025, 1 year ago.
What is the penalty if Hart Construction Group 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 Hart Construction Group 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.