- Companies
- Property developers
- Cheltenham
- Sinclairmoss Ltd
Sinclairmoss Ltd
- Company number
- 16206281
- Incorporated
- 24 Jan 20251 year trading
- Registered office
- 4 Imperial Square, Cheltenham, GL50 1QB
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Sinclairmoss Ltd is a 1-year-old private limited company registered in Cheltenham, company number 16206281, one of 304 property development companies in Cheltenham. Its next accounts are due at Companies House on 24 October 2026, and its first CT600 is due at HMRC on 23 January 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Sinclairmoss Ltd is registered
The registered office is in Cheltenham (GL50), in the Cheltenham local authority area, South West. Show GL50 1QB on a map.
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Shared registered office
81 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 Sinclairmoss 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 24 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Oct 2026 to 24 Nov 2026 | £150 |
| 1 to 3 months late | 25 Nov 2026 to 24 Jan 2027 | £375 |
| 3 to 6 months late | 25 Jan 2027 to 24 Apr 2027 | £750 |
| More than 6 months late | From 25 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16206281
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2025 (1 year ago)
- Registered office
- 4 Imperial Square, Cheltenham, GL50 1QB
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 January 2026
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 Cheltenham
Other active property development companies registered in Cheltenham.
- Skipworth Limited2023
- SM Devco Ltd2023
- South Cerney Builders Limited2015
- South Hayes Ltd2025
- SP(Resi) Ltd2020
- Spirit Architecture Limited2009
- ST. Albion Limited1996
- Stationwood Property Ltd.2018
All property development companies in Cheltenham · All trades in Cheltenham · Property developers across the UK
Frequently asked questions
When are Sinclairmoss Ltd's accounts due?
Sinclairmoss Ltd's next accounts are due at Companies House by 24 October 2026 (in 11 days), covering the period to 31 January 2026.
When is Sinclairmoss Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 January 2026, due by 23 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sinclairmoss Ltd still trading?
Sinclairmoss 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 Sinclairmoss Ltd do?
Sinclairmoss Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Sinclairmoss Ltd?
Sinclairmoss Ltd was incorporated on 24 January 2025, 1 year ago.
What is the penalty if Sinclairmoss 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 Sinclairmoss 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.