- Companies
- Plumbers and heating engineers
- Stanmore
- FD Mechanical Limited
FD Mechanical Limited
- Company number
- 12055301
- Incorporated
- 17 Jun 20197 years trading
- Registered office
- 2 Mountside, Stanmore, Middlesex, HA7 2DT
- Nature of business
- Plumbing, heat and air-conditioning installation
FD Mechanical Limited is a 7-year-old private limited company registered in Stanmore, company number 12055301, one of 50 plumbing and heating companies in Stanmore. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £57 (+3.3%) on the year before, to £1,779.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £165K against £169K owed within a year: 1.0 times cover.
- 4 employees on average, up from 3 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1,779 | £165K | £169K | 4 | |
| 30 Jun 2024 | £1,722 | £168K | £168K | 3 | |
| 30 Jun 2023 | £1,304 | £79K | £83K | 2 | |
| 30 Jun 2022 | £41K | £79K | £47K | 2 | |
| 30 Jun 2021 | £13K | £36K | £36K | 2 | |
| 30 Jun 2020 | £22K | £33K | £21K | 1 |
Where FD Mechanical Limited is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 2DT on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
Shared registered office
93 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if FD 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12055301
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2019 (7 years ago)
- Registered office
- 2 Mountside, Stanmore, Middlesex, HA7 2DT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 9 June 2026
- Previous names
- Dupree Plumbing Limited (until 4 Jan 2021)
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 Stanmore
Other active plumbing and heating companies registered in Stanmore.
- Fen-Air Climate Control Limited2023
- Fix Plumbers Ltd2020
- G & M Mechanical Services Ltd.2017
- GJM Southern Group Ltd2015
- Gohil Plumbing Services Ltd2025
- H M S Heating Services Limited2023
- Hex Mechanical Services Ltd2025
- I-Ventilation Ltd2019
All plumbing and heating companies in Stanmore · All trades in Stanmore · Plumbers and heating engineers across the UK
Frequently asked questions
When are FD Mechanical Limited's accounts due?
FD Mechanical Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is FD Mechanical Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is FD Mechanical Limited still trading?
FD 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 FD Mechanical Limited do?
FD Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is FD Mechanical Limited?
FD Mechanical Limited was incorporated on 17 June 2019, 7 years ago.
What is the penalty if FD 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 FD 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.