- Companies
- Plumbers and heating engineers
- Twickenham
- 100% Heating and Plumbing Limited
100% Heating and Plumbing Limited
- Company number
- 11830560
- Incorporated
- 15 Feb 20197 years trading
- Registered office
- 133 Ellerman Avenue, Twickenham, TW2 6AB
- Nature of business
- Plumbing, heat and air-conditioning installation
100% Heating and Plumbing Limited is a 7-year-old private limited company registered in Twickenham, company number 11830560, one of 42 plumbing and heating companies in Twickenham. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £17K (+49.9%) on the year before, to £53K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £52K against £14K owed within a year: 3.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £53K | £38K | £52K | £14K | 1 |
| 29 Feb 2024 | £35K | £31K | £36K | £19K | 1 |
| 28 Feb 2023 | £41K | £21K | £36K | £18K | 1 |
| 28 Feb 2022 | £8,712 | £175K | £177K | £192K | 1 |
| 28 Feb 2021 | £52K | £32K | £32K | £19K | 1 |
| 29 Feb 2020 | £24K | £29K | £7,137 | 0 |
Where 100% Heating and Plumbing Limited is registered
The registered office is in Twickenham (TW2), in the Richmond upon Thames local authority area, London. Show TW2 6AB on a map.
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- Procrest Roofing LtdRoofers
- Davids Cars LtdMotor traders
- Goldseal Building and Maintenance LtdSpecialist contractors
- Cali Prime Contractors LtdBuilders
What happens if 100% Heating and Plumbing 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11830560
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 February 2019 (7 years ago)
- Registered office
- 133 Ellerman Avenue, Twickenham, TW2 6AB
- 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 2025
- Last confirmation statement
- 25 February 2026
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 Twickenham
Other active plumbing and heating companies registered in Twickenham.
- A and F Services (Twickenham) Limited2010
- Aaa Plumbing & Heating Limited2026
- Aaw Plumbing and Heating Ltd2019
- Absmartek Limited2026
- Advanced City Plumbing Ltd2014
- Amgasservices Ltd2015
- Atr Refrigeration & Air Conditioning Ltd2024
- Bathe Bathrooms Limited2010
All plumbing and heating companies in Twickenham · All trades in Twickenham · Plumbers and heating engineers across the UK
Frequently asked questions
When are 100% Heating and Plumbing Limited's accounts due?
100% Heating and Plumbing Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is 100% Heating and Plumbing Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is 100% Heating and Plumbing Limited still trading?
100% Heating and Plumbing 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 100% Heating and Plumbing Limited do?
100% Heating and Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 100% Heating and Plumbing Limited?
100% Heating and Plumbing Limited was incorporated on 15 February 2019, 7 years ago.
What is the penalty if 100% Heating and Plumbing 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 100% Heating and Plumbing 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.