- Company number
- 16666739
- Incorporated
- 22 Aug 20251 year trading
- Registered office
- Flat 15 Keswick Court, 17-19 Malyons Road, London, SE13 7XQ
- Nature of business
- Construction of commercial buildings; Renting and operating of Housing Association real estate; Other activities of employment placement agencies; Human resources provision and management of human resources functions
Young Site Limited is a 1-year-old private limited company registered in London, company number 16666739, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 22 May 2027, and its first CT600 is due at HMRC on 21 August 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?
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Where Young Site Limited is registered
The registered office is in London (SE13), in the Lewisham local authority area, London. Show SE13 7XQ on a map.
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What happens if Young Site 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 22 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 May 2027 to 22 Jun 2027 | £150 |
| 1 to 3 months late | 23 Jun 2027 to 22 Aug 2027 | £375 |
| 3 to 6 months late | 23 Aug 2027 to 22 Nov 2027 | £750 |
| More than 6 months late | From 23 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16666739
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2025 (1 year ago)
- Registered office
- Flat 15 Keswick Court, 17-19 Malyons Road, London, SE13 7XQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Renting and operating of Housing Association real estate (SIC 68201)
Other activities of employment placement agencies (SIC 78109)
Human resources provision and management of human resources functions (SIC 78300) - Year end
- 31 August (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.
- Young's Plumbing and Maintenance Ltd2020
- Your Builder Hero Ltd2020
- Your Dream House Ltd2023
- Your Home Destination Ltd2019
- Your Space Improvement Ltd2017
- Your Sweet Home Ltd2025
- Your Timber Windows Ltd2006
- Your Top Builder Limited2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Young Site Limited's accounts due?
Young Site Limited's next accounts are due at Companies House by 22 May 2027 (in 221 days), covering the period to 31 August 2026.
When is Young Site 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 21 August 2026, due by 21 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Young Site Limited still trading?
Young Site Limited is listed as active on the Companies House register (checked 13 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 Young Site Limited do?
Young Site Limited is registered under Construction of commercial buildings (SIC 41201); Renting and operating of Housing Association real estate (SIC 68201); Other activities of employment placement agencies (SIC 78109); Human resources provision and management of human resources functions (SIC 78300).
How old is Young Site Limited?
Young Site Limited was incorporated on 22 August 2025, 1 year ago.
What is the penalty if Young Site 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 Young Site Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.