- Companies
- Plumbers and heating engineers
- Isleworth
- Fleming Mechanical Limited
Fleming Mechanical Limited
- Company number
- 09803947
- Incorporated
- 1 Oct 201511 years trading
- Registered office
- 3 Linkfield Road, Isleworth, TW7 6QG
- Nature of business
- Plumbing, heat and air-conditioning installation
Fleming Mechanical Limited is a 11-year-old private limited company registered in Isleworth, company number 09803947, one of 29 plumbing and heating companies in Isleworth. 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 £23K (-20.5%) on the year before, to £88K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £110K against £18K owed within a year: 6.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £88K | £69K | £110K | £18K | 1 |
| 30 Apr 2024 | £110K | £90K | £165K | £42K | 1 |
| 31 Oct 2022 | £117K | £157K | £172K | £37K | 1 |
| 31 Oct 2021 | £86K | £153K | £155K | £49K | 1 |
| 31 Oct 2020 | £68K | £177K | £185K | £143K | 1 |
| 31 Oct 2019 | £70K | £89K | £109K | £47K | 1 |
| 31 Oct 2018 | £83K | £74K | £121K | £52K | 1 |
| 31 Oct 2017 | £61K | £32K | £101K | £59K | 1 |
| 31 Oct 2016 | £24K | £21K | £54K | £34K |
Where Fleming Mechanical Limited is registered
The registered office is in Isleworth (TW7), in the Hounslow local authority area, London. Show TW7 6QG on a map.
Other trade companies in TW7
- Pracom LtdMachinery repair and installation
- V&R Construction Group LtdBuilders
- Gio Construction LimitedBuilders
- S & H Bodywork LtdMechanics and garages
- KS Garage Isleworth LtdMotor traders
- C Wiseman Services LtdCleaning companies
- Avenida Developments LtdProperty developers
- Courtesy Cars Group UK LtdMotor traders
Also registered at this address
3 other companies use the same registered office as Fleming Mechanical Limited.
- Conceptual Build LimitedBuilders
- Johnson Process Systems LimitedMachinery repair and installation
- PC Cad Bim Modelling LtdProperty developers
What happens if Fleming Mechanical 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
- 09803947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 October 2015 (11 years ago)
- Registered office
- 3 Linkfield Road, Isleworth, TW7 6QG
- 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
- 30 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 Isleworth
Other active plumbing and heating companies registered in Isleworth.
- GPH (London) Limited2016
- Great Gas Ltd2020
- GSJ Plumbing & Heating Ltd2024
- I Love Plumbing Limited2011
- Int Clima Ltd2024
- James Plumbing and Heating Limited2024
- Kannon Gas Ltd2021
- M K Plumbing & Heating Engineers Limited2010
All plumbing and heating companies in Isleworth · All trades in Isleworth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Fleming Mechanical Limited's accounts due?
Fleming Mechanical Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Fleming Mechanical 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 Fleming Mechanical Limited still trading?
Fleming Mechanical 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 Fleming Mechanical Limited do?
Fleming Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Fleming Mechanical Limited?
Fleming Mechanical Limited was incorporated on 1 October 2015, 11 years ago.
What is the penalty if Fleming Mechanical 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 Fleming Mechanical 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.