1. Companies
  2. Civil engineering
  3. Bideford
  4. 51 Degrees Marine Limited

51 Degrees Marine Limited

ActiveNo accounts filed yet accountsCivil engineeringBideford
Company number
16936265
Incorporated
30 Dec 2025
Registered office
10 High Street, Bideford, EX39 2AA
Nature of business
Construction of water projects; Construction of other civil engineering projects n.e.c.; Sea and coastal freight water transport; Service activities incidental to water transportation
Accounts due in
352 days
30 Sep 2027
From the Companies House register, 1 Oct 2026

51 Degrees Marine Limited is a newly incorporated private limited company registered in Bideford, company number 16936265, one of 21 civil engineering contractors in Bideford. Its next accounts are due at Companies House on 30 September 2027, and its first CT600 is due at HMRC on 29 December 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.

Accounts due
30 Sep 2027
in 352 days
For the period to 31 Dec 2026
CT600 due (first of two)
29 Dec 2027
in 442 days
Period 30 Dec 2025 to 29 Dec 2026
CT600 due (second of two)
31 Dec 2027
in 444 days
Period 30 Dec 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
12 Jan 2027
in 91 days

Is this your company?

File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for 51 Degrees Marine Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Who runs and owns 51 Degrees Marine Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
N*** A***DirectorDec 2025
A*** F***DirectorDec 2025

People with significant control (2)

Individual · since Dec 2025
N*** A***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors
Company · since Dec 2025
Lateral Industries Limited
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors

Where 51 Degrees Marine Limited is registered

51 Degrees Marine Limited's registered office on a map of the UK

The registered office is in Bideford (EX39), in the Torridge local authority area, South West. Show EX39 2AA on a map.

Other trade companies in EX39

Also registered at this address

1 other company uses the same registered office as 51 Degrees Marine Limited.

What happens if 51 Degrees Marine 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 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 2028another 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
16936265
Status
Active
Company type
Private limited company
Incorporated
30 December 2025
Registered office
10 High Street, Bideford, EX39 2AA
Nature of business
Construction of water projects (SIC 42910)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Sea and coastal freight water transport (SIC 50200)
Service activities incidental to water transportation (SIC 52220)
Year end
31 December (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 Bideford

Other active civil engineering contractors registered in Bideford.

All civil engineering contractors in Bideford · All trades in Bideford · Civil engineering across the UK

Frequently asked questions

When are 51 Degrees Marine Limited's accounts due?

51 Degrees Marine Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.

When is 51 Degrees Marine 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 29 December 2026, due by 29 December 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 51 Degrees Marine Limited still trading?

51 Degrees Marine 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 51 Degrees Marine Limited do?

51 Degrees Marine Limited is registered under Construction of water projects (SIC 42910); Construction of other civil engineering projects n.e.c. (SIC 42990); Sea and coastal freight water transport (SIC 50200); Service activities incidental to water transportation (SIC 52220).

How old is 51 Degrees Marine Limited?

51 Degrees Marine Limited was incorporated on 30 December 2025, less than a year ago.

Who runs 51 Degrees Marine Limited?

51 Degrees Marine Limited has 2 active directors, the longest-serving appointed in Dec 2025. Their names and service addresses are on the Companies House register.

Who owns 51 Degrees Marine Limited?

2 people or companies have significant control of 51 Degrees Marine Limited: an individual (owns 25% to 50% of the shares); Lateral Industries Limited (owns 25% to 50% of the shares).

What is the penalty if 51 Degrees Marine 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 51 Degrees Marine Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk