- Companies
- Machinery repair and installation
- Conwy Controls Ltd
Conwy Controls Ltd
- Company number
- 04134584
- Incorporated
- 2 Jan 200125 years trading
- Registered office
- 1 Bryn Awel, Off Llanelian Road, Old Colwyn, Conwy, LL29 8UZ
- Nature of business
- Installation of industrial machinery and equipment
Conwy Controls Ltd is a 25-year-old private limited company registered in Old Colwyn, company number 04134584, one of the UK's machinery repair and installation companies. 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 up £84K (+5.3%) on the year before, to £1.7M.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £1.7M against £208K owed within a year: 8.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | £1.7M | £1.2M | £1.7M | £208K | 0 |
| 31 Mar 2024 | £1.6M | £1.3M | £1.7M | £284K | 7 |
| 31 Mar 2023 | £1.4M | £1.2M | £1.4M | £155K | 7 |
| 31 Mar 2022 | £1.4M | £1.4M | £1.7M | £343K | 9 |
| 31 Mar 2021 | £1.2M | £1.5M | £1.7M | £602K | 10 |
| 31 Mar 2020 | £1.1M | £1.2M | £1.5M | £444K | 9 |
| 31 Mar 2019 | £1.3M | £1.1M | £1.6M | £332K | |
| 31 Mar 2018 | £920K | £319K | £1M | £123K | |
| 31 Mar 2017 | £934K | £685K | £1.1M | £155K |
Where Conwy Controls Ltd is registered
The registered office is in Old Colwyn (LL29), in the Conwy local authority area, Wales. Show LL29 8UZ on a map.
Other trade companies in LL29
- Minami Solutions LtdCleaning companies
- L & B Maintenance Services LtdCleaning companies
- Mansfield Air Conditioning LtdPlumbers and heating engineers
- Capital Lifecycle Construction Advisory LtdCivil engineering
- HGJ Enterprises LimitedElectricians
- Coastal Roofcare LimitedRoofers
- Mobility Motor Company MMC LtdMotor traders
- CM Surfacing & Landscaping LtdSpecialist contractors
What happens if Conwy Controls 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
- 04134584
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 January 2001 (25 years ago)
- Registered office
- 1 Bryn Awel, Off Llanelian Road, Old Colwyn, Conwy, LL29 8UZ
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies
Other active machinery repair and installation companies.
Frequently asked questions
When are Conwy Controls Ltd's accounts due?
Conwy Controls Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Conwy Controls 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 Conwy Controls Ltd still trading?
Conwy Controls 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 Conwy Controls Ltd do?
Conwy Controls Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Conwy Controls Ltd?
Conwy Controls Ltd was incorporated on 2 January 2001, 25 years ago.
What is the penalty if Conwy Controls 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 Conwy Controls 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.