- Company number
- 17284950
- Incorporated
- 18 Jun 2026
- Registered office
- 32 Cotswold Close, Uxbridge, UB8 2NA
- Nature of business
- Construction of domestic buildings; Other specialised construction activities n.e.c.
Midlex Ltd is a newly incorporated private limited company registered in Uxbridge, company number 17284950, one of 278 building contractors in Uxbridge. Its next accounts are due at Companies House on 18 March 2028, and its first CT600 is due at HMRC on 17 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.
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Where Midlex Ltd is registered
The registered office is in Uxbridge (UB8), in the Hillingdon local authority area, London. Show UB8 2NA on a map.
Other trade companies in UB8
- D-Towel LtdCleaning companies
- Sahi & Dhot Builders LtdBuilders
- Chas LtdBuilders
- Express Roofing LtdRoofers
- Boilercare Cover LtdPlumbers and heating engineers
- RMKK LtdBuilders
- Nayia Properties LtdProperty developers
- Dashi Carpentry LtdJoiners and carpenters
What happens if Midlex 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 18 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Mar 2028 to 18 Apr 2028 | £150 |
| 1 to 3 months late | 19 Apr 2028 to 18 Jun 2028 | £375 |
| 3 to 6 months late | 19 Jun 2028 to 18 Sep 2028 | £750 |
| More than 6 months late | From 19 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
- 17284950
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 June 2026
- Registered office
- 32 Cotswold Close, Uxbridge, UB8 2NA
- Nature of business
- Construction of domestic buildings (SIC 41202)
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 Uxbridge
Other active building contractors registered in Uxbridge.
- MLS Decorating Ltd2025
- Moderra Ltd2015
- Monarch Building Solutions Ltd2018
- Montford Brothers & Co Ltd2026
- Morning View Capital Limited2022
- MS Construction (London) Ltd2022
- MTG Venture Ltd2010
- Mudan Building Contractors Ltd2014
All building contractors in Uxbridge · All trades in Uxbridge · Builders across the UK
Frequently asked questions
When are Midlex Ltd's accounts due?
Midlex Ltd's next accounts are due at Companies House by 18 March 2028 (in 523 days), covering the period to 30 June 2027.
When is Midlex Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 June 2027, due by 17 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 Midlex Ltd still trading?
Midlex 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 Midlex Ltd do?
Midlex Ltd is registered under Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is Midlex Ltd?
Midlex Ltd was incorporated on 18 June 2026, less than a year ago.
What is the penalty if Midlex 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 Midlex 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.