- Company number
- 17368727
- Incorporated
- 29 Jul 2026
- Registered office
- Flat 7, Finley Court, Redcar Street, London, SE5 0LU
- Nature of business
- Construction of domestic buildings; Electrical installation; Other construction installation; Other building completion and finishing
Apex Solar TJ Ltd is a newly incorporated private limited company registered in London, company number 17368727, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 29 April 2028, and its first CT600 is due at HMRC on 28 July 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 Apex Solar TJ 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 Apex Solar TJ Ltd is registered
The registered office is in London (SE5), in the Southwark local authority area, London. Show SE5 0LU on a map.
Other trade companies in SE5
- LST Maintenance LtdSpecialist contractors
- Safisha Facilities LimitedCleaning companies
- Zenvora Cleaning Solutions LtdCleaning companies
- Primrose Window Cleaning LtdCleaning companies
- JFP Motors LtdMotor traders
- Southwark African Family Support Services (Safss) LtdCleaning companies
- Leaky Roof LimitedRoofers
- Kwamz Autos LtdMechanics and garages
What happens if Apex Solar TJ 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 29 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Apr 2028 to 29 May 2028 | £150 |
| 1 to 3 months late | 30 May 2028 to 29 Jul 2028 | £375 |
| 3 to 6 months late | 30 Jul 2028 to 29 Oct 2028 | £750 |
| More than 6 months late | From 30 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17368727
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 July 2026
- Registered office
- Flat 7, Finley Court, Redcar Street, London, SE5 0LU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Apex Su Construction Limited2026
- Apex Tilers Ltd2022
- Apex ÉLite Limited2025
- Apexbuild Smart Construction Ltd2026
- Apexbuilt Ltd2026
- Apexion Design & Build Ltd2026
- Apexstone Constructions Ltd2025
- Apextrust Construction Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Apex Solar TJ Ltd's accounts due?
Apex Solar TJ Ltd's next accounts are due at Companies House by 29 April 2028 (in 564 days), covering the period to 31 July 2027.
When is Apex Solar TJ 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 28 July 2027, due by 28 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Apex Solar TJ Ltd still trading?
Apex Solar TJ 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 Apex Solar TJ Ltd do?
Apex Solar TJ Ltd is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Apex Solar TJ Ltd?
Apex Solar TJ Ltd was incorporated on 29 July 2026, less than a year ago.
What is the penalty if Apex Solar TJ 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 Apex Solar TJ 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.