- Companies
- Plumbers and heating engineers
- London
- KJS Plumbing and Heating Ltd
KJS Plumbing and Heating Ltd
- Company number
- 13691486
- Incorporated
- 20 Oct 20214 years trading
- Registered office
- 4 Castle Close, London, W3 8AD
- Nature of business
- Plumbing, heat and air-conditioning installation
KJS Plumbing and Heating Ltd is a 4-year-old private limited company registered in London, company number 13691486, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £1,146 (+22%) on the year before, to £6,349.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £8,656 against £3,846 owed within a year: 2.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £6,349 | £8,656 | £3,846 | 2 | |
| 31 Oct 2024 | £5,203 | £8,126 | £4,732 | 2 | |
| 31 Oct 2023 | £91 | £4,207 | £5,990 | 2 | |
| 31 Oct 2022 | £1,162 | £4,792 | £5,423 | 2 |
Where KJS Plumbing and Heating Ltd is registered
The registered office is in London (W3), in the Ealing local authority area, London. Show W3 8AD on a map.
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What happens if KJS Plumbing and Heating 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 13691486
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2021 (4 years ago)
- Registered office
- 4 Castle Close, London, W3 8AD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 19 October 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 London
Other active plumbing and heating companies registered in London.
- KJS West Plumbing and Heating Services Ltd2025
- KLM Heating Ltd2014
- KM - PHG Services. Ltd2018
- KM Integrated House Masters Decorators Ltd2026
- KM P&G Ltd2025
- KM Plambing Ltd2026
- KMG Plumbing Ltd2026
- Knights Heating Ltd2023
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are KJS Plumbing and Heating Ltd's accounts due?
KJS Plumbing and Heating Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is KJS Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is KJS Plumbing and Heating Ltd still trading?
KJS Plumbing and Heating 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 KJS Plumbing and Heating Ltd do?
KJS Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is KJS Plumbing and Heating Ltd?
KJS Plumbing and Heating Ltd was incorporated on 20 October 2021, 4 years ago.
What is the penalty if KJS Plumbing and Heating 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 KJS Plumbing and Heating 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.