- Companies
- Specialist contractors
- Stevenage
- Platinum Interior Solutions Limited
Platinum Interior Solutions Limited
- Company number
- 11642816
- Incorporated
- 25 Oct 20187 years trading
- Registered office
- Stevendale House, Primett Road, Stevenage, SG1 3EE
- Nature of business
- Other specialised construction activities n.e.c.
Platinum Interior Solutions Limited is a 7-year-old private limited company registered in Stevenage, company number 11642816, one of 93 specialist construction companies in Stevenage. Companies House shows its accounts as overdue: they were due on 31 July 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 £19K (+158%) on the year before, to £6,949.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £240K against £233K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2019 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2023 | £6,949 | £6,989 | £240K | £233K | 1 |
| 31 Oct 2022 | -£12K | £24K | £210K | £222K | 1 |
| 31 Oct 2021 | £2,409 | £13K | £56K | £54K | 1 |
| 31 Oct 2020 | £1,514 | £38K | £65K | £64K | 1 |
| 31 Oct 2019 | £4,443 | £13K | £52K | £47K | 1 |
Where Platinum Interior Solutions Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 3EE on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
Shared registered office
53 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 Platinum Interior Solutions 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 Aug 2026 to 31 Aug 2026 | £150 |
| 1 to 3 months late | 1 Sep 2026 to 31 Oct 2026 | £375 |
| 3 to 6 months late | 1 Nov 2026 to 31 Jan 2027 | £750 |
| More than 6 months late | From 1 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11642816
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2018 (7 years ago)
- Registered office
- Stevendale House, Primett Road, Stevenage, SG1 3EE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 4 September 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Stevenage
Other active specialist construction companies registered in Stevenage.
- Rail Engineering Ltd2016
- Rapid Workforce Limited2019
- Regal Envelope and Cladding Services Ltd2020
- Reside Refurbishment Consultancy Ltd2024
- Robas Trade Ltd2015
- Roda Construction Ltd2021
- Ross Railways Ltd2025
- S & H Rigging Limited2013
All specialist construction companies in Stevenage · All trades in Stevenage · Specialist contractors across the UK
Frequently asked questions
When are Platinum Interior Solutions Limited's accounts due?
Platinum Interior Solutions Limited's accounts were due at Companies House on 31 July 2026 and the register shows them as overdue.
When is Platinum Interior Solutions Limited's CT600 due?
The CT600 for the period to 31 October 2025 is due at HMRC by 31 October 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2026.
Is Platinum Interior Solutions Limited still trading?
Platinum Interior Solutions 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 Interior Solutions Limited do?
Platinum Interior Solutions Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Platinum Interior Solutions Limited?
Platinum Interior Solutions Limited was incorporated on 25 October 2018, 7 years ago.
What is the penalty if Platinum Interior Solutions 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 Interior Solutions 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.