- Companies
- Finishing trades
- Barry
- Mill Construction Services Ltd
Mill Construction Services Ltd
- Company number
- 17345302
- Incorporated
- 17 Jul 2026
- Registered office
- 56 Rhodfa'r Hurricane, ST. Athan, Barry, CF62 4HP
- Nature of business
- Other building completion and finishing
Mill Construction Services Ltd is a newly incorporated private limited company registered in Barry, company number 17345302, one of 13 building finishing companies in Barry. Its next accounts are due at Companies House on 17 April 2028, and its first CT600 is due at HMRC on 16 July 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 Mill Construction Services Ltd is registered
The registered office is in Barry (CF62), in the Vale of Glamorgan local authority area, Wales. Show CF62 4HP on a map.
Other trade companies in CF62
- Apex Oak LimitedProperty developers
- Cooksey Interiors LtdInstallers
- Neart Decorating LtdProperty developers
- Agnew Property Services LimitedLandscapers and gardeners
- Barnscleans LtdCleaning companies
- MB Wireless & Ip Solutions LtdElectricians
- Htec Off-Road LtdMotor traders
- Park Plumbing & Sons LtdPlumbers and heating engineers
What happens if Mill Construction Services 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 17 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Apr 2028 to 17 May 2028 | £150 |
| 1 to 3 months late | 18 May 2028 to 17 Jul 2028 | £375 |
| 3 to 6 months late | 18 Jul 2028 to 17 Oct 2028 | £750 |
| More than 6 months late | From 18 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17345302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2026
- Registered office
- 56 Rhodfa'r Hurricane, ST. Athan, Barry, CF62 4HP
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Barry
Other active building finishing companies registered in Barry.
- Richard Wells Builders Limited2017
- SL Building & Plastering Ltd2025
- SMK Renovate Limited2021
- Wallis Construction SW Ltd2023
- Armstrong Masonry Limited2011
- BKR (Wales) Limited2014
- Bpa Property Solutions Ltd.2018
- Concept Mechanical Limited2019
All building finishing companies in Barry · All trades in Barry · Finishing trades across the UK
Frequently asked questions
When are Mill Construction Services Ltd's accounts due?
Mill Construction Services Ltd's next accounts are due at Companies House by 17 April 2028 (in 553 days), covering the period to 31 July 2027.
When is Mill Construction Services 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 16 July 2027, due by 16 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mill Construction Services Ltd still trading?
Mill Construction Services 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 Mill Construction Services Ltd do?
Mill Construction Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Mill Construction Services Ltd?
Mill Construction Services Ltd was incorporated on 17 July 2026, less than a year ago.
What is the penalty if Mill Construction Services 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 Mill Construction Services 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.