- Companies
- Installers
- London
- Osprey Diamond Ltd
Osprey Diamond Ltd
- Company number
- 13414606
- Incorporated
- 21 May 20215 years trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Other construction installation
Osprey Diamond Ltd is a 5-year-old private limited company registered in London, company number 13414606, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £3,253 (+140.5%) on the year before, to £5,568.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £5,943 against £375 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £5,568 | £5,943 | £375 | 1 | |
| 31 Dec 2023 | £2,315 | £2,559 | £244 | 1 | |
| 31 Dec 2022 | £45K | £45K | £321 | ||
| 31 Dec 2021 | £10 | 1 |
Where Osprey Diamond Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 Osprey Diamond Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 13414606
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2021 (5 years ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- 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 2024
- Last confirmation statement
- 20 May 2026
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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Otec Gas and Plumbing Services Limited2002
- Otera Build Ltd2025
- Outbox Storage Ltd2017
- Ovoms Ltd2021
- Oyo Energy Limited2022
- Oz Fire Protection Ltd2024
- Ozer Construction Ltd2021
- P K Ductwork Services Limited2007
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Osprey Diamond Ltd's accounts due?
Osprey Diamond Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Osprey Diamond Ltd's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Osprey Diamond Ltd still trading?
Osprey Diamond Ltd is listed as active on the Companies House register (checked 13 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 Osprey Diamond Ltd do?
Osprey Diamond Ltd is registered under Other construction installation (SIC 43290).
How old is Osprey Diamond Ltd?
Osprey Diamond Ltd was incorporated on 21 May 2021, 5 years ago.
What is the penalty if Osprey Diamond 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 Osprey Diamond Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.