- Companies
- Property developers
- Isleworth
- Platinum Grade Limited
Platinum Grade Limited
- Company number
- 13049120
- Incorporated
- 27 Nov 20205 years trading
- Registered office
- First Floor 690 Great West Road, Osterley Village, Isleworth, TW7 4PU
- Nature of business
- Development of building projects
Platinum Grade Limited is a 5-year-old private limited company registered in Isleworth, company number 13049120, one of 72 property development companies in Isleworth. Companies House shows its accounts as overdue: they were due on 31 August 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 down £106K on the year before, to -£104K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- 3 employees 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 |
|---|---|---|---|---|---|
| 30 Nov 2024 | -£104K | £0 | £224K | 3 | |
| 30 Nov 2023 | £2,222 | £3,029 | £136K | 3 | |
| 30 Nov 2022 | £30K | £7,491 | £73K | 0 | |
| 30 Nov 2021 | £13K | £4,594 | £15K | 0 |
Where Platinum Grade Limited is registered
The registered office is in Isleworth (TW7), in the Hounslow local authority area, London. Show TW7 4PU on a map.
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Also registered at this address
15 other companies use the same registered office as Platinum Grade Limited.
- Axim Finance LimitedProperty developers
- Bell & Preece Investments LimitedProperty developers
- El Born Studio UK LimitedPainters and decorators
- G. P. Motors (Teddington) LtdMachinery repair and installation
- Goshawk London LimitedFinishing trades
- Ip Fire & Security LimitedInstallers
- Mak Group LDN LimitedProperty developers
- Mak Investments LDN LimitedProperty developers
- MR Build LimitedProperty developers
- Painthadelic LimitedPainters and decorators
- Pasto Development LimitedProperty developers
- Pasto Electrical LimitedElectricians
- Pinnacle Building and Roofing LimitedBuilders
- Rubik Development & Construction Consultancy LimitedProperty developers
- Shiners Cleaning & Support Services LimitedCleaning companies
What happens if Platinum Grade Limited files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 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 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13049120
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 November 2020 (5 years ago)
- Registered office
- First Floor 690 Great West Road, Osterley Village, Isleworth, TW7 4PU
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 17 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Isleworth
Other active property development companies registered in Isleworth.
- Pod Project Management Ltd2026
- Prado Contractors UK Ltd2022
- Red Design & Build Ltd2018
- Resolute Design and Build Limited2012
- Rose Line Construction Limited2012
- Rubik Development & Construction Consultancy Limited2025
- Singh Properties London Limited2022
- Southend Property Developments Ltd2017
All property development companies in Isleworth · All trades in Isleworth · Property developers across the UK
Frequently asked questions
When are Platinum Grade Limited's accounts due?
Platinum Grade Limited's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Platinum Grade Limited's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is Platinum Grade Limited still trading?
Platinum Grade Limited 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 Platinum Grade Limited do?
Platinum Grade Limited is registered under Development of building projects (SIC 41100).
How old is Platinum Grade Limited?
Platinum Grade Limited was incorporated on 27 November 2020, 5 years ago.
What is the penalty if Platinum Grade 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 Platinum Grade Limited 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.