- Companies
- Plumbers and heating engineers
- London
- Konco Plumbing Ltd
Konco Plumbing Ltd
- Company number
- 04106068
- Incorporated
- 10 Nov 200025 years trading
- Registered office
- 36 Ravensdale Road, London, N16 6SH
- Nature of business
- Plumbing, heat and air-conditioning installation
Konco Plumbing Ltd is a 25-year-old private limited company registered in London, company number 04106068, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £3,405 (+10.7%) on the year before, to -£28K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of -£7,666 against £9,919 owed within a year: -0.8 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | -£28K | -£7,666 | £9,919 | 1 | |
| 31 Oct 2023 | -£32K | £2,042 | £18K | 2 | |
| 31 Oct 2022 | -£28K | £9,382 | £16K | 2 | |
| 30 Nov 2021 | -£18K | £22K | £14K | 2 | |
| 29 Nov 2020 | -£20K | £15K | £11K | 1 | |
| 30 Nov 2019 | £4,037 | £1,276 | £7,651 | £10K | 1 |
| 30 Nov 2018 | £11K | £1,179 | £5,373 | £2,779 | 1 |
| 30 Nov 2017 | £13K | £0 | £5,980 | £2,521 | 1 |
| 30 Nov 2016 | £12K | £1,150 | £4,928 | £3,250 | |
| 30 Nov 2015 | £6,208 | £2,111 | £4,124 | £9,544 |
Where Konco Plumbing Ltd is registered
The registered office is in London (N16), in the Hackney local authority area, London. Show N16 6SH on a map.
Other trade companies in N16
- Jrdesign&Renovations LtdCleaning companies
- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- Core Maintenance London LtdFinishing trades
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
Also registered at this address
8 other companies use the same registered office as Konco Plumbing Ltd.
- Ace Pro Services LtdFacilities management
- Arkstone Build LtdBuilders
- Capapoint LtdProperty developers
- Columbia Road LimitedProperty developers
- Finerclean LtdCleaning companies
- Gotit Tooting LtdProperty developers
- JK Building Construction LimitedBuilders
- Oresta LtdPlumbers and heating engineers
What happens if Konco Plumbing 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
- 04106068
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 November 2000 (25 years ago)
- Registered office
- 36 Ravensdale Road, London, N16 6SH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 10 November 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.
- Koncore Plumbing&Heating Ltd2021
- Kondi Property Maintenance Ltd2026
- Kotwica Building Services Ltd2016
- Krevital Solutions Ltd2024
- Krown Kooling and Heating Ltd2024
- KRS Integrated Services Ltd2026
- KRW Engineering Ltd2026
- KS Autowerk Limited2020
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Konco Plumbing Ltd's accounts due?
Konco Plumbing 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 Konco Plumbing 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Konco Plumbing Ltd still trading?
Konco Plumbing 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 Konco Plumbing Ltd do?
Konco Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Konco Plumbing Ltd?
Konco Plumbing Ltd was incorporated on 10 November 2000, 25 years ago.
What is the penalty if Konco Plumbing 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 Konco Plumbing 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.