- Company number
- 16510302
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- Suite 2, 259, Oakleigh Road North, London, N20 0DG
- Nature of business
- Construction of domestic buildings; Other building completion and finishing
Unik Construction London Limited is a 1-year-old private limited company registered in London, company number 16510302, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Where Unik Construction London Limited is registered
The registered office is in London (N20), in the Barnet local authority area, London. Show N20 0DG on a map.
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Also registered at this address
8 other companies use the same registered office as Unik Construction London Limited.
- A D Building & Renovations LimitedBuilders
- Great Amwell Construction LtdBuilders
- M A Borges Electrical Services LtdElectricians
- Nesa Construction LtdBuilders
- Prime Contractors LimitedFinishing trades
- Response Plumbing & Electrical LimitedElectricians
- S. P. Plumbing & Electrical LtdElectricians
- VSM Builders & Decorators LimitedBuilders
What happens if Unik Construction London 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 31 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 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
- 16510302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- Suite 2, 259, Oakleigh Road North, London, N20 0DG
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 10 June 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.
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Frequently asked questions
When are Unik Construction London Limited's accounts due?
Unik Construction London Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Unik Construction London Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Unik Construction London Limited still trading?
Unik Construction London 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 Unik Construction London Limited do?
Unik Construction London Limited is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Unik Construction London Limited?
Unik Construction London Limited was incorporated on 11 June 2025, 1 year ago.
What is the penalty if Unik Construction London 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 Unik Construction London 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.