- Company number
- 16043196
- Incorporated
- 27 Oct 20241 year trading
- Registered office
- 34 Peel Street, South Normanton, Alfreton, DE55 2DE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Unikon Build Ltd is a 1-year-old private limited company registered in Alfreton, company number 16043196, one of 32 building contractors in Alfreton. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where Unikon Build Ltd is registered
The registered office is in Alfreton (DE55), in the Bolsover local authority area, East Midlands. Show DE55 2DE on a map.
Other trade companies in DE55
- The Rileys Group LtdCivil engineering
- Treadxwheelfix LtdMechanics and garages
- Sadie Plant LimitedCivil engineering
- TS Electrical & Testing LtdMachinery repair and installation
- Mays Property Maintenance LimitedSpecialist contractors
- RSW Automotive LtdMechanics and garages
- Seven Roofing Solutions (Amber Valley) LtdRoofers
- JWB Electrical Services LtdElectricians
What happens if Unikon Build 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16043196
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 October 2024 (1 year ago)
- Registered office
- 34 Peel Street, South Normanton, Alfreton, DE55 2DE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 26 October 2025
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 Alfreton
Other active building contractors registered in Alfreton.
- Weston & Sons Construction Limited2025
- Za Building & Maintenance Ltd2024
- Acorn Exclusive Buildings Limited2026
- Bella Developments Ltd2018
- Broom Close Developments Limited2017
- Chamberlain Tait Developments Limited2018
- Chase Cottage Developments Limited2021
- CLS New Homes Ltd2018
All building contractors in Alfreton · All trades in Alfreton · Builders across the UK
Frequently asked questions
When are Unikon Build Ltd's accounts due?
Unikon Build Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Unikon Build Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Unikon Build Ltd still trading?
Unikon Build 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 Unikon Build Ltd do?
Unikon Build Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Unikon Build Ltd?
Unikon Build Ltd was incorporated on 27 October 2024, 1 year ago.
What is the penalty if Unikon Build 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 Unikon Build 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.