- Companies
- Civil engineering
- Liverpool
- Thomas Insulation Ltd
Thomas Insulation Ltd
- Company number
- 16774566
- Incorporated
- 9 Oct 20251 year trading
- Registered office
- 96, 96 Mariners Wharf, Liverpool, L3 4DH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Thomas Insulation Ltd is a 1-year-old private limited company registered in Liverpool, company number 16774566, one of 284 civil engineering contractors in Liverpool. Its next accounts are due at Companies House on 9 July 2027, and its first CT600 is due at HMRC on 8 October 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 Thomas Insulation Ltd is registered
The registered office is in Liverpool (L3), in the Liverpool local authority area, North West. Show L3 4DH on a map.
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What happens if Thomas Insulation 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 9 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jul 2027 to 9 Aug 2027 | £150 |
| 1 to 3 months late | 10 Aug 2027 to 9 Oct 2027 | £375 |
| 3 to 6 months late | 10 Oct 2027 to 9 Jan 2028 | £750 |
| More than 6 months late | From 10 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16774566
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2025 (1 year ago)
- Registered office
- 96, 96 Mariners Wharf, Liverpool, L3 4DH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Liverpool
Other active civil engineering contractors registered in Liverpool.
- Thorough Paving Ltd2026
- TLB Telecoms Limited2021
- Training Lives Ltd2021
- Triton Civil Engineering Ltd2025
- Triton Civils Ltd2022
- UK Structural Engineering Limited2016
- Uniquo Construction Ltd2022
- Vac-UK Ltd2020
All civil engineering contractors in Liverpool · All trades in Liverpool · Civil engineering across the UK
Frequently asked questions
When are Thomas Insulation Ltd's accounts due?
Thomas Insulation Ltd's next accounts are due at Companies House by 9 July 2027 (in 270 days), covering the period to 31 October 2026.
When is Thomas Insulation 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 8 October 2026, due by 8 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thomas Insulation Ltd still trading?
Thomas Insulation 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 Thomas Insulation Ltd do?
Thomas Insulation Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Thomas Insulation Ltd?
Thomas Insulation Ltd was incorporated on 9 October 2025, 1 year ago.
What is the penalty if Thomas Insulation 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 Thomas Insulation 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.