- Companies
- Civil engineering
- Sunderland
- Lumen Subsea Ltd
Lumen Subsea Ltd
- Company number
- 16530618
- Incorporated
- 19 Jun 20251 year trading
- Registered office
- 2 Chaytor Grove, Sunderland, SR1 2RY
- Nature of business
- Construction of utility projects for electricity and telecommunications
Lumen Subsea Ltd is a 1-year-old private limited company registered in Sunderland, company number 16530618, one of 44 civil engineering contractors in Sunderland. Its next accounts are due at Companies House on 19 March 2027, and its first CT600 is due at HMRC on 18 June 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.
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 Lumen Subsea LtdOr 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.
Where Lumen Subsea Ltd is registered
The registered office is in Sunderland (SR1), in the Sunderland local authority area, North East. Show SR1 2RY on a map.
Other trade companies in SR1
- Zaj General Service LtdMotor traders
- Mike Massey LimitedFinishing trades
- Revs Auto Repairs LimitedMechanics and garages
- Arlind Cleaning Services LtdCleaning companies
- Ready2Let Property Services LtdFinishing trades
- Nexger Build LtdFinishing trades
- C3 Roofing LtdPainters and decorators
- Bigshow Integrated Logistics LtdMotor traders
What happens if Lumen Subsea 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 19 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2027 to 19 Apr 2027 | £150 |
| 1 to 3 months late | 20 Apr 2027 to 19 Jun 2027 | £375 |
| 3 to 6 months late | 20 Jun 2027 to 19 Sep 2027 | £750 |
| More than 6 months late | From 20 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16530618
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2025 (1 year ago)
- Registered office
- 2 Chaytor Grove, Sunderland, SR1 2RY
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 18 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 Sunderland
Other active civil engineering contractors registered in Sunderland.
- M & S Civils (Ne) Ltd2018
- M Anderson HV Solutions Limited2016
- MD Wind Ltd2025
- NR Groundworks Ne Ltd2026
- Omninet Utility Solutions Limited2025
- Pape Engineering Services Ltd2023
- Q'vest Ltd2021
- RD Civils Limited2025
All civil engineering contractors in Sunderland · All trades in Sunderland · Civil engineering across the UK
Frequently asked questions
When are Lumen Subsea Ltd's accounts due?
Lumen Subsea Ltd's next accounts are due at Companies House by 19 March 2027 (in 157 days), covering the period to 30 June 2026.
When is Lumen Subsea 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 18 June 2026, due by 18 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Lumen Subsea Ltd still trading?
Lumen Subsea 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 Lumen Subsea Ltd do?
Lumen Subsea Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Lumen Subsea Ltd?
Lumen Subsea Ltd was incorporated on 19 June 2025, 1 year ago.
What is the penalty if Lumen Subsea 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 Lumen Subsea 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.