- Companies
- Plumbers and heating engineers
- London
- Flowtech Mechanical Services Ltd
Flowtech Mechanical Services Ltd
- Company number
- 12592543
- Incorporated
- 7 May 20206 years trading
- Registered office
- 24 the Office Group, 24 Greville Street, London, EC1N 8SS
- Nature of business
- Plumbing, heat and air-conditioning installation
Flowtech Mechanical Services Ltd is a 6-year-old private limited company registered in London, company number 12592543, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £54K (+12.6%) on the year before, to £480K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £595K against £131K owed within a year: 4.5 times cover.
- 4 employees on average, up from 2 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £480K | £411K | £595K | £131K | 4 |
| 31 May 2024 | £427K | £726K | £780K | £356K | 2 |
| 31 May 2023 | £46K | £80K | £35K | 1 | |
| 31 May 2022 | £129 | £12K | 2 | ||
| 31 May 2021 | £130 | £11K | £9,661 | 2 |
Where Flowtech Mechanical Services Ltd is registered
The registered office is in London (EC1N), in the Camden local authority area, London. Show EC1N 8SS on a map.
Other trade companies in EC1N
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- Firestone Chimney Care LimitedCleaning companies
- Umbrella Conglomorate LimitedProperty developers
- Swinley Interiors LtdInstallers
- Ralav Construction LtdProperty developers
- BK Jewellery Workshop LtdRepair services
- Dwell Build Ltd LtdBuilders
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What happens if Flowtech Mechanical Services 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12592543
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2020 (6 years ago)
- Registered office
- 24 the Office Group, 24 Greville Street, London, EC1N 8SS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 5 May 2026
- Previous names
- Avp Plumbing and Heating Services Ltd (until 13 Feb 2023)
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 London
Other active plumbing and heating companies registered in London.
- Flowup Heating Ltd2026
- Flowworks Limited2013
- Fluent Plumbing and Heating Ltd2025
- Flush Heating and Plumbing Ltd2004
- Flynn & White Plumbing Limited2014
- Fnplumbing Ltd2025
- Folkestone & Hythe Heating Ltd2009
- Fons Maintenance Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Flowtech Mechanical Services Ltd's accounts due?
Flowtech Mechanical Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Flowtech Mechanical Services Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Flowtech Mechanical Services Ltd still trading?
Flowtech Mechanical Services Ltd 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 Flowtech Mechanical Services Ltd do?
Flowtech Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Flowtech Mechanical Services Ltd?
Flowtech Mechanical Services Ltd was incorporated on 7 May 2020, 6 years ago.
What is the penalty if Flowtech Mechanical Services 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 Flowtech Mechanical Services Ltd 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.