- Companies
- Mechanics and garages
- Manchester
- Diamond Design Alloys Limited
Diamond Design Alloys Limited
- Company number
- 09427316
- Incorporated
- 6 Feb 201511 years trading
- Registered office
- 2 Fiddlers Lane, Irlam, Manchester, Greater Manchester, M44 6QE
- Nature of business
- Maintenance and repair of motor vehicles
Diamond Design Alloys Limited is a 11-year-old private limited company registered in Manchester, company number 09427316, one of 597 vehicle repair garages in Manchester. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £13K (-26.7%) on the year before, to £36K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £85K against £57K owed within a year: 1.5 times cover.
- 6 employees on average, down from 8 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £36K | £46K | £85K | £57K | 6 |
| 29 Feb 2024 | £49K | £27K | £94K | £46K | 8 |
| 28 Feb 2023 | £8,004 | £5,405 | £40K | £37K | 3 |
| 28 Feb 2022 | £20K | £15K | £36K | £24K | 3 |
| 28 Feb 2021 | £17K | £13K | £34K | £24K | 4 |
| 28 Feb 2020 | £1 | £1 | |||
| 28 Feb 2019 | £1 | £1 | |||
| 28 Feb 2018 | £1 | £1 | 1 | ||
| 28 Feb 2017 | £1 | £1 | 1 | ||
| 28 Feb 2016 | £1 | £0 | £1 |
Where Diamond Design Alloys Limited is registered
The registered office is in Manchester (M44), in the Salford local authority area, North West. Show M44 6QE on a map.
Other trade companies in M44
- Seco Developments LtdProperty developers
- Together Kaz Community Care LtdCleaning companies
- 8M Motors LtdMotor traders
- Ajc Truck Tech LtdMechanics and garages
- Panel Perfect Smart Repair LimitedMechanics and garages
- Ank Building Services LimitedProperty developers
- BRT Lifting LtdSpecialist contractors
- Jacks Transport and Recovery LtdMotor traders
What happens if Diamond Design Alloys 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 09427316
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2015 (11 years ago)
- Registered office
- 2 Fiddlers Lane, Irlam, Manchester, Greater Manchester, M44 6QE
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 24 June 2026
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Manchester
Other active vehicle repair garages registered in Manchester.
- Diamond Sparkle Car Wash Ltd2025
- Diamond Tyre Service Ltd2020
- Dina Motors Limited2025
- DK Serv Ltd2016
- DK'S World Car Detailing Ltd2026
- DM Vehicles Ltd2023
- DP Motors (North West) Limited2026
- Dpfhydroflush Ltd2019
All vehicle repair garages in Manchester · All trades in Manchester · Mechanics and garages across the UK
Frequently asked questions
When are Diamond Design Alloys Limited's accounts due?
Diamond Design Alloys Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Diamond Design Alloys Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Diamond Design Alloys Limited still trading?
Diamond Design Alloys 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 Diamond Design Alloys Limited do?
Diamond Design Alloys Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Diamond Design Alloys Limited?
Diamond Design Alloys Limited was incorporated on 6 February 2015, 11 years ago.
What is the penalty if Diamond Design Alloys 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 Diamond Design Alloys 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.