- Companies
- Civil engineering
- Blyth
- Sam Castledine Limited
Sam Castledine Limited
- Company number
- 16224089
- Incorporated
- 3 Feb 20251 year trading
- Registered office
- 5 Drift Gardens, Hutton Park, Blyth, NE24 5BP
- Nature of business
- Construction of roads and motorways
Sam Castledine Limited is a 1-year-old private limited company registered in Blyth, company number 16224089, one of 10 civil engineering contractors in Blyth. Its next accounts are due at Companies House on 3 February 2027, and its first CT600 is due at HMRC on 2 February 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 Sam Castledine Limited is registered
The registered office is in Blyth (NE24), in the Northumberland local authority area, North East. Show NE24 5BP on a map.
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What happens if Sam Castledine 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 3 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Feb 2027 to 3 Mar 2027 | £150 |
| 1 to 3 months late | 4 Mar 2027 to 3 May 2027 | £375 |
| 3 to 6 months late | 4 May 2027 to 3 Aug 2027 | £750 |
| More than 6 months late | From 4 Aug 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
- 16224089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 February 2025 (1 year ago)
- Registered office
- 5 Drift Gardens, Hutton Park, Blyth, NE24 5BP
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 February 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 Blyth
Other active civil engineering contractors registered in Blyth.
- Silver Lining TM Ltd2022
- Thompson Access Solutions Ltd2022
- Walls TMS Limited2020
- Ashwood Building & Civil Engineering Limited2005
- DBC Process and Pipeline Services Ltd2023
- JLT Engineering Services Limited2024
- M & C Paving North East Ltd2021
- Northumbria Steel Fixing Limited2020
All civil engineering contractors in Blyth · All trades in Blyth · Civil engineering across the UK
Frequently asked questions
When are Sam Castledine Limited's accounts due?
Sam Castledine Limited's next accounts are due at Companies House by 3 February 2027 (in 113 days), covering the period to 28 February 2026.
When is Sam Castledine Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 2 February 2026, due by 2 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sam Castledine Limited still trading?
Sam Castledine 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 Sam Castledine Limited do?
Sam Castledine Limited is registered under Construction of roads and motorways (SIC 42110).
How old is Sam Castledine Limited?
Sam Castledine Limited was incorporated on 3 February 2025, 1 year ago.
What is the penalty if Sam Castledine 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 Sam Castledine 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.