Company profile · Builders
Conlux Ltd
Conlux Ltd is a newly incorporated private limited company registered in Tyldesley, company number 16821923, one of 32 building contractors in Tyldesley. Its next accounts are due at Companies House on 5 January 2028, and the CT600 for the period to 5 April 2027 is due at HMRC on 5 April 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 5 April 2026, as filed at Companies House.
Where Conlux Ltd is registered
The registered office is in Tyldesley (M29), in the Wigan local authority area, North West. Show M29 7AE on a map.
Other trade companies in M29
- Clean Zone Hand Car Wash LtdMechanics and garages
- Eleksec LtdElectricians
- Arpfiredoorsolutions LtdJoiners and carpenters
- MJL Group LtdProperty developers
- Atherton Construction LtdProperty developers
- Newline Property Services LtdPlumbers and heating engineers
- Sula Brothers Construction LtdBuilders
- BT Plumbing & Heating LimitedPlumbers and heating engineers
What happens if Conlux 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 5 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2028 to 5 Feb 2028 | £150 |
| 1 to 3 months late | 6 Feb 2028 to 5 Apr 2028 | £375 |
| 3 to 6 months late | 6 Apr 2028 to 5 Jul 2028 | £750 |
| More than 6 months late | From 6 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2028 | £200 |
| 3 months late | 5 Jul 2028 | another £200 |
| 6 months late | 5 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 16821923
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2025
- Registered office
- 27 Willow Avenue, Tyldesley, Manchester, M29 7AE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Architectural activities (SIC 71111)
specialised design activities (SIC 74100) - Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 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.
Similar companies in Tyldesley
Other active building contractors registered in Tyldesley.
- Contech Solutions Ltd2022
- Crasto Property Limited2023
- Culcheth Brickwork Services Limited2010
- D G Solutions Extensions & Renovations Ltd2017
- Ews Timber Frame Limited2009
- Express Building Services NW Ltd2024
- Gic Building Limited2023
- Harlson Timber Frame Ltd2018
All building contractors in Tyldesley · All trades in Tyldesley · Builders across the UK
Frequently asked questions
When are Conlux Ltd's accounts due?
Conlux Ltd's next accounts are due at Companies House by 5 January 2028 (in 450 days), covering the period to 5 April 2027.
When is Conlux Ltd's CT600 due?
The CT600 for the period to 5 April 2027 is due at HMRC by 5 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2028.
Is Conlux Ltd still trading?
Conlux 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 Conlux Ltd do?
Conlux Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Architectural activities (SIC 71111); specialised design activities (SIC 74100).
How old is Conlux Ltd?
Conlux Ltd was incorporated on 30 October 2025, less than a year ago.
What is the penalty if Conlux 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 Conlux Ltd on Companies House for filed documents, officers and the full history.
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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.