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- Optimum Cladding Ltd
Company profile · Finishing trades
Optimum Cladding Ltd
Optimum Cladding Ltd is a 3-year-old private limited company registered in Mexborough, company number 15131693, one of 13 building finishing companies in Mexborough. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 31 March 2026, as filed at Companies House.
Optimum Cladding Ltd over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,850 (+373.7%) on the year before, to £2,345.
- Current assets of £24K against £23K owed within a year: 1.1 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £2,345 | £24K | £23K | 1 | |
| 31 Mar 2025 | £495 | £18K | £18K | -1 | |
| 30 Sep 2024 | £3,647 | £8,619 | £5,233 | -1 |
Where Optimum Cladding Ltd is registered
The registered office is in Mexborough (S64), in the Rotherham local authority area, Yorkshire and The Humber. Show S64 8AL on a map.
Other trade companies in S64
- SB’S Home Improvements LtdRepair services
- S J Croome Construction LtdInstallers
- Sourc LtdElectricians
- Arc Building & Interiors LtdInstallers
- 3P Project Solutions LimitedSpecialist contractors
- A&H Tyres LtdMotor traders
- Northdale Construction LtdBuilders
- A.J.W Plumbing & Heating Northern LtdPlumbers and heating engineers
What happens if Optimum Cladding 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15131693
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2023 (3 years ago)
- Registered office
- 23 Coronation Road, Swinton, Mexborough, South Yorkshire, S64 8AL
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 10 September 2026
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 Mexborough
Other active building finishing companies registered in Mexborough.
- S&R Maintenance Ltd2026
- South Yorkshire Window Centre Ltd2026
- Steel Arch Erection Company Limited2005
- Top Line Building Services Limited2025
- Blue Line Buildings Limited2013
- DHW Renovating & Building Limited2014
- Elevate Interiors (Yorkshire) Limited2023
- Gna Builders Ltd2019
All building finishing companies in Mexborough · All trades in Mexborough · Finishing trades across the UK
Frequently asked questions
When are Optimum Cladding Ltd's accounts due?
Optimum Cladding Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Optimum Cladding Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Optimum Cladding Ltd still trading?
Optimum Cladding 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 Optimum Cladding Ltd do?
Optimum Cladding Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Optimum Cladding Ltd?
Optimum Cladding Ltd was incorporated on 11 September 2023, 3 years ago.
What is the penalty if Optimum Cladding 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 Optimum Cladding 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.