- Companies
- Joiners and carpenters
- Uxbridge
- Keystone Interiors Limited
Keystone Interiors Limited
- Company number
- 12976970
- Incorporated
- 27 Oct 20205 years trading
- Registered office
- 6 Belmont Road, Uxbridge, UB8 1RB
- Nature of business
- Joinery installation
Keystone Interiors Limited is a 5-year-old private limited company registered in Uxbridge, company number 12976970, one of 20 joinery companies in Uxbridge. 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 £8,127 (+116.9%) on the year before, to £15K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £68K against £113K owed within a year: 0.6 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £15K | £68K | £113K | 4 | |
| 31 Dec 2024 | £6,951 | £34K | £100K | 4 | |
| 31 Dec 2023 | £8,443 | £33K | £73K | 4 | |
| 31 Oct 2022 | £9,989 | £14K | £35K | 3 | |
| 31 Oct 2021 | £8,457 | £11K | £37K | 1 |
Where Keystone Interiors Limited is registered
The registered office is in Uxbridge (UB8), in the Hillingdon local authority area, London. Show UB8 1RB on a map.
Other trade companies in UB8
- D-Towel LtdCleaning companies
- Sahi & Dhot Builders LtdBuilders
- Chas LtdBuilders
- Express Roofing LtdRoofers
- Boilercare Cover LtdPlumbers and heating engineers
- RMKK LtdBuilders
- Nayia Properties LtdProperty developers
- Dashi Carpentry LtdJoiners and carpenters
What happens if Keystone Interiors 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
- 12976970
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 October 2020 (5 years ago)
- Registered office
- 6 Belmont Road, Uxbridge, UB8 1RB
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 26 October 2025
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Uxbridge
Other active joinery companies registered in Uxbridge.
- Kitchen Supplier Ltd2018
- Klis Joinery & Carpentry Ltd2017
- P.S. Joinery Fit Out Ltd2017
- RL Bespoke Joinery Ltd2026
- Smart Property Projects Ltd2010
- Smiths Fitted Furniture Limited2013
- The House of Wardrobes Ltd2017
- Troi Joinery & Carpentry Ltd2025
All joinery companies in Uxbridge · All trades in Uxbridge · Joiners and carpenters across the UK
Frequently asked questions
When are Keystone Interiors Limited's accounts due?
Keystone Interiors Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Keystone Interiors 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 Keystone Interiors Limited still trading?
Keystone Interiors 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 Keystone Interiors Limited do?
Keystone Interiors Limited is registered under Joinery installation (SIC 43320).
How old is Keystone Interiors Limited?
Keystone Interiors Limited was incorporated on 27 October 2020, 5 years ago.
What is the penalty if Keystone Interiors 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 Keystone Interiors 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.