- Companies
- Plumbers and heating engineers
- Opus Airconditioning (Sales) Limited
Opus Airconditioning (Sales) Limited
- Company number
- 01490345
- Incorporated
- 11 Apr 198046 years trading
- Registered office
- Unit 52, Victoria Ind Park, Victoria Road, Dartford Kent, DA1 5AJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Opus Airconditioning (Sales) Limited is a 46-year-old private limited company registered in Victoria Road, company number 01490345, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £417 (-0.4%) on the year before, to £116K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £477K against £392K owed within a year: 1.2 times cover.
- 11 employees on average, down from 12 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £116K | £119K | £477K | £392K | 11 |
| 30 Apr 2024 | £116K | £375K | £906K | £831K | 12 |
| 30 Apr 2023 | £117K | £269K | £807K | £746K | 12 |
| 30 Apr 2022 | £117K | £224K | £743K | £700K | 12 |
| 30 Apr 2021 | £843K | £301K | £1.4M | £612K | 13 |
| 30 Apr 2020 | £859K | £326K | £1.2M | £384K | 19 |
| 30 Apr 2019 | £833K | £443K | £1.5M | £687K | 18 |
| 30 Apr 2018 | £810K | £300K | £1.3M | £495K | 17 |
Public contracts won
Opus Airconditioning (Sales) Limited has 2 public sector contract awards on record; the ones with their own published value total £240K (2024). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- London Borough of Hackney2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| London Borough of Hackney | HSC FCU remedials works. | £90K | 10 Jul 2024 |
| London Borough of Hackney | Oswald Day Care Centre Ventilation Project | £150K | 25 Mar 2024 |
Where Opus Airconditioning (Sales) Limited is registered
The registered office is in Victoria Road (DA1), in the Dartford local authority area, South East. Show DA1 5AJ on a map.
Other trade companies in DA1
- Unit 6 Bespoke LtdSpecialist contractors
- Smartlifting LtdBuilders
- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
What happens if Opus Airconditioning (Sales) Limited 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 01490345
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 1980 (46 years ago)
- Registered office
- Unit 52, Victoria Ind Park, Victoria Road, Dartford Kent, DA1 5AJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 1 October 2025
- Charges (mortgages)
- 0 outstanding of 3 registered
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
Other active plumbing and heating companies.
Frequently asked questions
When are Opus Airconditioning (Sales) Limited's accounts due?
Opus Airconditioning (Sales) Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Opus Airconditioning (Sales) Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Opus Airconditioning (Sales) Limited still trading?
Opus Airconditioning (Sales) Limited 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 Opus Airconditioning (Sales) Limited do?
Opus Airconditioning (Sales) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Opus Airconditioning (Sales) Limited?
Opus Airconditioning (Sales) Limited was incorporated on 11 April 1980, 46 years ago.
Has Opus Airconditioning (Sales) Limited won public sector contracts?
Yes. Opus Airconditioning (Sales) Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £240K), most recently from London Borough of Hackney.
What is the penalty if Opus Airconditioning (Sales) Limited 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 Opus Airconditioning (Sales) Limited 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.