- Company number
- 17278817
- Incorporated
- 17 Jun 2026
- Registered office
- Flat 1 411A, Ilford Lane, Ilford, United Kingdom, IG1 2SN
- Nature of business
- Construction of domestic buildings; Other building completion and finishing; Other specialised construction activities n.e.c.
Ukno1 Services Limited is a newly incorporated private limited company registered in Ilford, company number 17278817, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 17 March 2028, and its first CT600 is due at HMRC on 16 June 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?
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Where Ukno1 Services Limited is registered
The registered office is in Ilford (IG1), in the Redbridge local authority area, London. Show IG1 2SN on a map.
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What happens if Ukno1 Services 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 17 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Mar 2028 to 17 Apr 2028 | £150 |
| 1 to 3 months late | 18 Apr 2028 to 17 Jun 2028 | £375 |
| 3 to 6 months late | 18 Jun 2028 to 17 Sep 2028 | £750 |
| More than 6 months late | From 18 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17278817
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2026
- Registered office
- Flat 1 411A, Ilford Lane, Ilford, United Kingdom, IG1 2SN
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (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 Ilford
Other active building contractors registered in Ilford.
- Umar Design and Build Limited2018
- Umb Construction Ltd2025
- Umer Builders & Contractors Ltd2012
- Umme Construction Services Limited2019
- Umsak Group Ltd2018
- Ung Decorating Ltd2022
- Unique Constructions & Maintenance Ltd2020
- Unique Workforce Ltd2024
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are Ukno1 Services Limited's accounts due?
Ukno1 Services Limited's next accounts are due at Companies House by 17 March 2028 (in 521 days), covering the period to 30 June 2027.
When is Ukno1 Services 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 16 June 2027, due by 16 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ukno1 Services Limited still trading?
Ukno1 Services 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 Ukno1 Services Limited do?
Ukno1 Services Limited is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Ukno1 Services Limited?
Ukno1 Services Limited was incorporated on 17 June 2026, less than a year ago.
What is the penalty if Ukno1 Services 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 Ukno1 Services 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.