- Company number
- 16977675
- Incorporated
- 21 Jan 2026
- Registered office
- 4TH Floor Office, 205 Regent Street, London, W1B 4HB
- Nature of business
- Construction of commercial buildings
J2 Civil Engineering Limited is a newly incorporated private limited company registered in London, company number 16977675, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 21 October 2027, and its first CT600 is due at HMRC on 20 January 2028.
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 J2 Civil Engineering LimitedOr 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 J2 Civil Engineering Limited is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 4HB on a map.
Other trade companies in W1B
- Nova Relay LtdElectricians
- Nova Painting Contractors LtdPainters and decorators
- Malaysia Energy Land Bridge LimitedCivil engineering
- Melb LimitedCivil engineering
- Meridian Build Group LtdBuilders
- Aix Group Holdings LtdSpecialist contractors
- Active 24/7 Drainage & Plumbing LtdPlumbers and heating engineers
- Smith's Rural Builds LtdBuilders
Shared registered office
58 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J2 Civil Engineering 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 21 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Oct 2027 to 21 Nov 2027 | £150 |
| 1 to 3 months late | 22 Nov 2027 to 21 Jan 2028 | £375 |
| 3 to 6 months late | 22 Jan 2028 to 21 Apr 2028 | £750 |
| More than 6 months late | From 22 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16977675
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2026
- Registered office
- 4TH Floor Office, 205 Regent Street, London, W1B 4HB
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 April 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- J23 Builders Limited2017
- J3 Pointing & Restoration Ltd2025
- Ja Construction Works Ltd2025
- Jaa7 Limited2020
- Jabal Alsafwa for Contracting and General Maintenance Ltd2026
- Jabbarson Construction Ltd2019
- Jabko Limited2023
- Jac Renovations Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are J2 Civil Engineering Limited's accounts due?
J2 Civil Engineering Limited's next accounts are due at Companies House by 21 October 2027 (in 373 days), covering the period to 31 January 2027.
When is J2 Civil Engineering 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 20 January 2027, due by 20 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is J2 Civil Engineering Limited still trading?
J2 Civil Engineering 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 J2 Civil Engineering Limited do?
J2 Civil Engineering Limited is registered under Construction of commercial buildings (SIC 41201).
How old is J2 Civil Engineering Limited?
J2 Civil Engineering Limited was incorporated on 21 January 2026, less than a year ago.
What is the penalty if J2 Civil Engineering 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 J2 Civil Engineering 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.