- Companies
- Property developers
- Chepstow
- Sirius One Ltd
Sirius One Ltd
- Company number
- 11327555
- Incorporated
- 25 Apr 20188 years trading
- Registered office
- 2 Birdwood Gardens, Mathern, Chepstow, NP16 6UF
- Nature of business
- Development of building projects; Buying and selling of own real estate; Residents property management
Sirius One Ltd is a 8-year-old private limited company registered in Chepstow, company number 11327555, one of 30 property development companies in Chepstow. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £1,403 (+6.4%) on the year before, to £23K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £19K against £15K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £23K | £19K | £19K | £15K | 0 |
| 30 Apr 2024 | £22K | £18K | £19K | £16K | 0 |
| 30 Apr 2023 | £21K | £15K | £15K | £13K | |
| 30 Apr 2022 | £18K | £11K | £11K | £12K | 3 |
| 30 Apr 2021 | £17K | £3,860 | £121K | £224K | 3 |
| 30 Apr 2020 | -£1,929 | £1,347 | £368K | £370K | 1 |
| 30 Apr 2019 | -£743 | £10K | £365K | £365K | 1 |
Where Sirius One Ltd is registered
The registered office is in Chepstow (NP16), in the Monmouthshire local authority area, Wales. Show NP16 6UF on a map.
Other trade companies in NP16
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- Alan Boyle Construction LtdSpecialist contractors
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- Bristol Design and Build Home Extensions LtdBuilders
What happens if Sirius One Ltd 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11327555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2018 (8 years ago)
- Registered office
- 2 Birdwood Gardens, Mathern, Chepstow, NP16 6UF
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Residents property management (SIC 98000) - Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 28 January 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Chepstow
Other active property development companies registered in Chepstow.
- Tixxi Limited2019
- Wye Valley Interiors and Developments Ltd2026
- Acer Design and Build Ltd2022
- Adept Structural Solutions (UK) Ltd2017
- Allorjenn Limited2015
- Alw Properties Limited2025
- Angle Construction Consultants Ltd2014
- Beachley Developments Limited2025
All property development companies in Chepstow · All trades in Chepstow · Property developers across the UK
Frequently asked questions
When are Sirius One Ltd's accounts due?
Sirius One Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Sirius One Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Sirius One Ltd still trading?
Sirius One Ltd 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 Sirius One Ltd do?
Sirius One Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Residents property management (SIC 98000).
How old is Sirius One Ltd?
Sirius One Ltd was incorporated on 25 April 2018, 8 years ago.
What is the penalty if Sirius One 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 Sirius One Ltd 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.