- Companies
- Plumbers and heating engineers
- Durham
- Ko Bathrooms Ltd
Ko Bathrooms Ltd
- Company number
- 09373185
- Incorporated
- 5 Jan 201511 years trading
- Registered office
- 29 Dragonville Industrial Park, Dragon Lane, Durham, DH1 2XJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Ko Bathrooms Ltd is a 11-year-old private limited company registered in Durham, company number 09373185, one of 44 plumbing and heating companies in Durham. 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.
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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 £14K (+11.9%) on the year before, to -£106K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- 22 employees on average, down from 39 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£106K | £5,465 | £69K | 22 | |
| 31 Jan 2024 | -£121K | £13K | £77K | £174K | 39 |
| 31 Jan 2023 | -£140K | £1,829 | £65K | £152K | 19 |
| 31 Jan 2022 | -£108K | £1,961 | £60K | £98K | 19 |
| 31 Jan 2021 | -£114K | £20K | £32K | £47K | 12 |
| 31 Jan 2020 | -£94K | £8,414 | £96K | 10 | |
| 31 Jan 2019 | -£119K | £23K | £93K | 10 | |
| 31 Jan 2018 | £7,558 | £61K | £37K | 4 | |
| 31 Jan 2017 | £218 | £19K | £37K | ||
| 31 Jan 2016 | £22 | £11K | £12K | £25K |
Where Ko Bathrooms Ltd is registered
The registered office is in Durham (DH1), in the County Durham local authority area, North East. Show DH1 2XJ on a map.
Other trade companies in DH1
- Drives & Patios 4 You LtdLandscapers and gardeners
- Hanser LimitedBuilders
- McCluskey Roofing North East LtdRoofers
- Phone and Laptop Repairs Ne LtdRepair services
- Tyne & Wear Commercial Cleaning LtdCleaning companies
- HZG Projects LimitedCivil engineering
- Damiora Group LtdFacilities management
- James Lawton Homes ( Whickham Farm ) LtdProperty developers
Also registered at this address
1 other company uses the same registered office as Ko Bathrooms Ltd.
- Ko Build LtdBuilders
What happens if Ko Bathrooms 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
- 09373185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 January 2015 (11 years ago)
- Registered office
- 29 Dragonville Industrial Park, Dragon Lane, Durham, DH1 2XJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 2 January 2026
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 Durham
Other active plumbing and heating companies registered in Durham.
- Kozi Bathe Ltd2024
- Kruzs Ltd2020
- Me Green Energy Solutions Ltd2020
- Mes Heating Ltd2014
- MJC Heating and Gas Services Ltd2018
- MSD Building Services Ltd.2014
- Mudie Heating & Plumbing Services Ltd2026
- Northeast Subcooling Services Ltd2023
All plumbing and heating companies in Durham · All trades in Durham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ko Bathrooms Ltd's accounts due?
Ko Bathrooms Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Ko Bathrooms 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 Ko Bathrooms Ltd still trading?
Ko Bathrooms 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 Ko Bathrooms Ltd do?
Ko Bathrooms Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ko Bathrooms Ltd?
Ko Bathrooms Ltd was incorporated on 5 January 2015, 11 years ago.
What is the penalty if Ko Bathrooms 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 Ko Bathrooms 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.