- Companies
- Installers
- Rochester
- Trilogy Mechanical Services Limited
Trilogy Mechanical Services Limited
- Company number
- 15190169
- Incorporated
- 5 Oct 20233 years trading
- Registered office
- 27 Elm Avenue, Chattenden, Rochester, ME3 8LY
- Nature of business
- Other construction installation
Trilogy Mechanical Services Limited is a 3-year-old private limited company registered in Rochester, company number 15190169, one of 69 installation companies (insulation, lifts, shutters and similar) in Rochester. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £14K (+57.6%) on the year before, to £39K.
- Current assets of £141K against £107K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £39K | £141K | £107K | 2 | |
| 31 Dec 2024 | £25K | £105K | £88K | 2 |
Where Trilogy Mechanical Services Limited is registered
The registered office is in Rochester (ME3), in the Medway local authority area, South East. Show ME3 8LY on a map.
Other trade companies in ME3
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- Torque Motor Sales LtdMotor traders
- MS7 LtdInstallers
- Parallel TR LtdSpecialist contractors
- Nextgen Installs LtdJoiners and carpenters
- Victory Contractors UK LtdPlumbers and heating engineers
- Blueprint Higham LtdBuilders
What happens if Trilogy Mechanical Services 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15190169
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 October 2023 (3 years ago)
- Registered office
- 27 Elm Avenue, Chattenden, Rochester, ME3 8LY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 October 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Rochester
Other active installation companies (insulation, lifts, shutters and similar) registered in Rochester.
- V. Sinclair Limited1991
- Admiral Ventilation Ltd2023
- Amps Markets Ltd2024
- Ashford Loft Design Consultancy Ltd2021
- Ava Formhome UK Limited2022
- Avs Design & Build Ltd2007
- Aw Fire Stoppers Ltd2025
- B B Brickwork & Developments Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Rochester · All trades in Rochester · Installers across the UK
Frequently asked questions
When are Trilogy Mechanical Services Limited's accounts due?
Trilogy Mechanical Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Trilogy Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Trilogy Mechanical Services Limited still trading?
Trilogy Mechanical Services 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 Trilogy Mechanical Services Limited do?
Trilogy Mechanical Services Limited is registered under Other construction installation (SIC 43290).
How old is Trilogy Mechanical Services Limited?
Trilogy Mechanical Services Limited was incorporated on 5 October 2023, 3 years ago.
What is the penalty if Trilogy Mechanical Services 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 Trilogy Mechanical Services 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.