- Companies
- Specialist contractors
- Wembley
- Conco Plumbing & Heating Ltd
Conco Plumbing & Heating Ltd
- Company number
- 10047223
- Incorporated
- 7 Mar 201610 years trading
- Registered office
- 337 Athlon Road, Wembley, Middx, HA0 1AN
- Nature of business
- Other specialised construction activities n.e.c.
Conco Plumbing & Heating Ltd is a 10-year-old private limited company registered in Wembley, company number 10047223, one of 92 specialist construction companies in Wembley. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £13K (-45.5%) on the year before, to £15K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £25K against £9,349 owed within a year: 2.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £15K | £25K | £9,349 | 1 | |
| 31 Mar 2024 | £28K | £40K | £9,412 | 1 | |
| 31 Mar 2023 | £13K | £33K | £10K | 1 | |
| 31 Mar 2022 | £28K | £31K | £944 | 0 | |
| 31 Mar 2021 | £26K | £46K | £46K | £20K | 0 |
| 31 Mar 2020 | £17K | £26K | £48K | £31K | 0 |
| 31 Mar 2019 | £9,963 | £21K | £24K | £14K | |
| 31 Mar 2018 | £6,562 | £19K | £19K | £12K | |
| 31 Mar 2017 | £12K | £18K | £18K | £6,372 |
Where Conco Plumbing & Heating Ltd is registered
The registered office is in Wembley (HA0), in the Brent local authority area, London. Show HA0 1AN on a map.
Other trade companies in HA0
- VN26 LtdCleaning companies
- Smartgrid D M Energy LimitedElectricians
- North West LDN Motor Group LtdMotor traders
- T&J Contractors LtdBuilders
- MBDP LtdBuilders
- Vhheatingservice LtdPlumbers and heating engineers
- Urban Coat London LtdFloor and wall tilers
- Ahmadamg LimitedMotor traders
What happens if Conco Plumbing & 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10047223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 March 2016 (10 years ago)
- Registered office
- 337 Athlon Road, Wembley, Middx, HA0 1AN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Wembley
Other active specialist construction companies registered in Wembley.
- Corja Construction Ltd2023
- Cristian K Construction Ltd2026
- Damoc Ltd2019
- Diu Decorators Ltd2015
- Dny&Atu Ltd2021
- Dobras Ltd2025
- Dumitru Construction Ltd2021
- Eighth Stage Ltd2025
All specialist construction companies in Wembley · All trades in Wembley · Specialist contractors across the UK
Frequently asked questions
When are Conco Plumbing & Heating Ltd's accounts due?
Conco Plumbing & Heating Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Conco Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Conco Plumbing & Heating Ltd still trading?
Conco Plumbing & 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 Conco Plumbing & Heating Ltd do?
Conco Plumbing & Heating Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Conco Plumbing & Heating Ltd?
Conco Plumbing & Heating Ltd was incorporated on 7 March 2016, 10 years ago.
What is the penalty if Conco Plumbing & 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 Conco Plumbing & 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.