- Companies
- Plumbers and heating engineers
- Windsor
- T. Sloan Ltd
T. Sloan Ltd
- Company number
- 10366782
- Incorporated
- 8 Sep 201610 years trading
- Registered office
- 21 Longmead , Windsor, Longmead, Windsor, SL4 5QA
- Nature of business
- Plumbing, heat and air-conditioning installation
T. Sloan Ltd is a 10-year-old private limited company registered in Windsor, company number 10366782, one of 24 plumbing and heating companies in Windsor. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £11K on the year before, to £11K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £21K against £7,100 owed within a year: 3.0 times cover.
- 3 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £11K | £21K | £7,100 | 3 | |
| 30 Sep 2024 | £557 | £10K | £7,844 | 2 | |
| 30 Sep 2023 | £9,075 | £12K | £11K | 3 | |
| 30 Sep 2022 | £20K | £23K | £4,647 | 2 | |
| 30 Sep 2021 | £100 | £19K | £19K | 2 | |
| 30 Sep 2020 | -£3,134 | £12K | £14K | 2 | |
| 30 Sep 2019 | £101 | £13K | £13K | 0 | |
| 30 Sep 2018 | £100 | £9,743 | £9,272 | ||
| 30 Sep 2017 | £92 | £9,579 | £11K |
Where T. Sloan Ltd is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5QA on a map.
Other trade companies in SL4
- A3 Hand Car Wash and Valeting Center LimitedCleaning companies
- Time Watch Repair Watford LtdRepair services
- Mobile Tyre Services 24/7 LtdMechanics and garages
- Hullscrub Thames LtdCleaning companies
- Black Rose Automotive Group LtdMotor traders
- Maldec Hatchet Farm LimitedProperty developers
- Pinehill Homes Partnerships LtdProperty developers
- Heatsense Renewables LtdElectricians
What happens if T. Sloan 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10366782
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2016 (10 years ago)
- Registered office
- 21 Longmead , Windsor, Longmead, Windsor, SL4 5QA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 September 2025
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 Windsor
Other active plumbing and heating companies registered in Windsor.
- Thomas Smith Heating and Gas Limited2020
- Waterworks Pros Limited2026
- Windsor & Eton Stoves Limited2012
- 247 Plumbing and Heating 1 Ltd2014
- Acf Services Ltd2016
- Artisan Plumbing and Heating (Surrey) Limited2025
- Delorange Ltd2007
- Edmonds & Sons Plumbing, Heating & Bathrooms Limited2026
All plumbing and heating companies in Windsor · All trades in Windsor · Plumbers and heating engineers across the UK
Frequently asked questions
When are T. Sloan Ltd's accounts due?
T. Sloan Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is T. Sloan Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is T. Sloan Ltd still trading?
T. Sloan Ltd is listed as active on the Companies House register (checked 13 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 T. Sloan Ltd do?
T. Sloan Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is T. Sloan Ltd?
T. Sloan Ltd was incorporated on 8 September 2016, 10 years ago.
What is the penalty if T. Sloan 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 T. Sloan Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.