- Companies
- Civil engineering
- Peterborough
- J. Moriarty Limited
J. Moriarty Limited
- Company number
- 05718145
- Incorporated
- 22 Feb 200620 years trading
- Registered office
- 49 Fletton Avenue, Fletton Avenue, Peterborough, PE2 8BB
- Nature of business
- Construction of railways and underground railways
J. Moriarty Limited is a 20-year-old private limited company registered in Peterborough, company number 05718145, one of 83 civil engineering contractors in Peterborough. 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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Where J. Moriarty Limited is registered
The registered office is in Peterborough (PE2), in the Peterborough local authority area, East of England. Show PE2 8BB on a map.
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What happens if J. Moriarty 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 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
- 05718145
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2006 (20 years ago)
- Registered office
- 49 Fletton Avenue, Fletton Avenue, Peterborough, PE2 8BB
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 30 June 2026
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 Peterborough
Other active civil engineering contractors registered in Peterborough.
- Jam Rail Engineering Ltd2026
- Jarryd Limited2015
- JBS Contracting Ltd2023
- Jermac Holdings Ltd2023
- JM Goncalves Ltd2023
- Keystone Civils Limited2025
- KPL Property Services Limited2016
- Kus Limited2020
All civil engineering contractors in Peterborough · All trades in Peterborough · Civil engineering across the UK
Frequently asked questions
When are J. Moriarty Limited's accounts due?
J. Moriarty Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is J. Moriarty Limited'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 J. Moriarty Limited still trading?
J. Moriarty 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 J. Moriarty Limited do?
J. Moriarty Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is J. Moriarty Limited?
J. Moriarty Limited was incorporated on 22 February 2006, 20 years ago.
What is the penalty if J. Moriarty 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 J. Moriarty 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.