- Companies
- Plumbers and heating engineers
- High Wycombe
- Sidney Cubbage (Heating and Ventilating) Limited
Sidney Cubbage (Heating and Ventilating) Limited
- Company number
- 01719631
- Incorporated
- 29 Apr 198343 years trading
- Registered office
- 6 the Courtyard Riverside West, Wooburn Green, High Wycombe, HP10 0DG
- Nature of business
- Plumbing, heat and air-conditioning installation
Sidney Cubbage (Heating and Ventilating) Limited is a 43-year-old private limited company registered in High Wycombe, company number 01719631, one of 120 plumbing and heating companies in High Wycombe. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £13K (+6%) on the year before, to £225K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.1M against £1M owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £225K | £209K | £1.1M | £1M | 0 |
| 28 Feb 2025 | £213K | £285K | £1.2M | £1.1M | 23 |
| 28 Feb 2024 | £178K | £149K | £1.5M | £1.5M | 25 |
| 28 Feb 2023 | £372K | £601K | £1.6M | £1.4M | 25 |
| 28 Feb 2022 | £663K | £290K | £1.6M | £1.1M | 28 |
| 28 Feb 2021 | £562K | £96K | £1.7M | £1.3M | 26 |
| 31 Aug 2019 | £482K | £65K | £1.8M | £1.4M | |
| 31 Aug 2018 | £452K | £437 | £1.8M | £1.3M | |
| 31 Aug 2017 | £371K | £1,295 | £1.2M | £958K | |
| 31 Aug 2016 | £315K | £253 | £1.5M | £1.3M |
Where Sidney Cubbage (Heating and Ventilating) Limited is registered
The registered office is in High Wycombe (HP10), in the Buckinghamshire local authority area, South East. Show HP10 0DG on a map.
Other trade companies in HP10
- Range Fit Co LtdJoiners and carpenters
- Ajm Autos LimitedMotor traders
- Woodys LimitedJoiners and carpenters
- Ah Stottor Building Services LtdFinishing trades
- Bradley Evolve LimitedProperty developers
- The Warmth and Water Group LtdPlumbers and heating engineers
- Epds Home Improvement LtdBuilders
- Cleancoat Property Services LtdBuilders
Also registered at this address
1 other company uses the same registered office as Sidney Cubbage (Heating and Ventilating) Limited.
- Emvolve LtdElectricians
What happens if Sidney Cubbage (Heating and Ventilating) 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 01719631
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 1983 (43 years ago)
- Registered office
- 6 the Courtyard Riverside West, Wooburn Green, High Wycombe, HP10 0DG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 16 July 2026
- Charges (mortgages)
- 1 outstanding of 6 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 in High Wycombe
Other active plumbing and heating companies registered in High Wycombe.
- Silvano Ltd2024
- Smiths Heating Services Limited2008
- Spec Plumbing and Heating Ltd2026
- Special Air Systems Ltd2010
- SR Plumbing and Heating Ltd2025
- Stay Warm (HW) Limited2018
- Stuart Robinson Plumbing and Heating Limited2012
- Suite-Bathrooms - Dave Spicer Ltd2018
All plumbing and heating companies in High Wycombe · All trades in High Wycombe · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sidney Cubbage (Heating and Ventilating) Limited's accounts due?
Sidney Cubbage (Heating and Ventilating) Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Sidney Cubbage (Heating and Ventilating) Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Sidney Cubbage (Heating and Ventilating) Limited still trading?
Sidney Cubbage (Heating and Ventilating) 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 Sidney Cubbage (Heating and Ventilating) Limited do?
Sidney Cubbage (Heating and Ventilating) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sidney Cubbage (Heating and Ventilating) Limited?
Sidney Cubbage (Heating and Ventilating) Limited was incorporated on 29 April 1983, 43 years ago.
What is the penalty if Sidney Cubbage (Heating and Ventilating) 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 Sidney Cubbage (Heating and Ventilating) 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.