- Companies
- Plumbers and heating engineers
- Birmingham
- Klos Construction Ltd
Klos Construction Ltd
- Company number
- 08884591
- Incorporated
- 10 Feb 201412 years trading
- Registered office
- 202 Tyburn Road, Birmingham, B24 8LS
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation; Plastering; Painting
Klos Construction Ltd is a 12-year-old private limited company registered in Birmingham, company number 08884591, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Klos Construction LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
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 £2,710 (+86.4%) on the year before, to -£426.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £7,781 against £331 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£426 | £7,781 | £7,781 | £331 | 0 |
| 31 Jan 2024 | -£3,136 | £4,517 | £4,218 | 0 | |
| 31 Jan 2023 | -£4,175 | £1,739 | £0 | 0 | |
| 31 Jan 2022 | -£3,192 | £3,675 | £38 | 0 | |
| 31 Jan 2021 | -£2,346 | £4,392 | £0 | 0 | |
| 31 Jan 2020 | £3,966 | £6 | £1,040 | 0 | |
| 31 Jan 2019 | £476 | £2,680 | £2,204 | 0 |
Where Klos Construction Ltd is registered
The registered office is in Birmingham (B24), in the Birmingham local authority area, West Midlands. Show B24 8LS on a map.
Other trade companies in B24
- Sybex Designs LimitedProperty developers
- DJR Kitchens & Carpentry LtdBuilders
- Sutton Valeting Centre LtdCleaning companies
- Olivia Property and Landscaping Services LtdFinishing trades
- Tyburn Spa Carwash LtdCleaning companies
- JZS Group LtdMotor traders
- MOT & Service Centre Erdington LtdMechanics and garages
- Ab's Modz LtdMechanics and garages
What happens if Klos Construction 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 08884591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2014 (12 years ago)
- Registered office
- 202 Tyburn Road, Birmingham, B24 8LS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Plastering (SIC 43310)
Painting (SIC 43341) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 2 September 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Klymatec Ltd2025
- Kmy Pro-Serv Ltd2019
- L S Toth & Sons Ltd2008
- Laight Mechanical Services Limited2013
- Lal Din & Son's Ltd2025
- Lava Heating Services Limited2010
- Lawtons Plumbing & Heating Ltd2019
- Lincoln Plumbers Ltd2024
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Klos Construction Ltd's accounts due?
Klos Construction Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Klos Construction Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Klos Construction Ltd still trading?
Klos Construction Ltd is listed as active on the Companies House register (checked 12 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 Klos Construction Ltd do?
Klos Construction Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Plastering (SIC 43310); Painting (SIC 43341).
How old is Klos Construction Ltd?
Klos Construction Ltd was incorporated on 10 February 2014, 12 years ago.
What is the penalty if Klos Construction 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 Klos Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.