- Companies
- Joiners and carpenters
- Cumnock
- Castarra Ltd
Castarra Ltd
- Company number
- SC879757
- Incorporated
- 20 Feb 2026
- Registered office
- Bank Chambers, 31 the Square, Cumnock, KA18 1AT
- Nature of business
- Joinery installation; Wholesale of wood, construction materials and sanitary equipment; Retail sale of hardware, paints and glass in specialised stores; Retail sale via mail order houses or via Internet
Castarra Ltd is a newly incorporated private limited company registered in Cumnock, company number SC879757, one of the UK's joinery companies. Its next accounts are due at Companies House on 20 November 2027, and its first CT600 is due at HMRC on 19 February 2028.
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 Castarra Ltd is registered
The registered office is in Cumnock (KA18), in the East Ayrshire local authority area, Scotland. Show KA18 1AT on a map.
Other trade companies in KA18
- Sandglow Overland LtdMotor traders
- Scott Smith Joinery LtdJoiners and carpenters
- JSK Aviation Services LtdMachinery repair and installation
- Dempster Construction LimitedSpecialist contractors
- KM Vehicle Sales LtdMotor traders
- Gibby Groundworks LtdCivil engineering
- Volkstec (Ayr) LtdMechanics and garages
- Baird Welding and Mechanical LtdMachinery repair and installation
Also registered at this address
16 other companies use the same registered office as Castarra Ltd.
- Afton Builders LimitedFinishing trades
- Boss Civils and Engineering LtdSpecialist contractors
- BSK Commercial LtdSpecialist contractors
- Charlesfort Developments LtdBuilders
- Craiglang Properties LtdProperty developers
- Craigston Glen LtdProperty developers
- Craigston Property LtdProperty developers
- G & C Double Glazing Repair LimitedRepair services
- KNM Scotland LtdGroundworks and demolition
- KSD Joiners LimitedJoiners and carpenters
- LB Scotland LimitedBuilders
- LTR Management Group LtdProperty developers
- Pro-Build (Ayrshire) LtdProperty developers
- S S P (Ames Taping) LimitedPlasterers
- Volkstec (Ayr) LtdMechanics and garages
- WRK Solutions LimitedMotor traders
What happens if Castarra 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 20 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Nov 2027 to 20 Dec 2027 | £150 |
| 1 to 3 months late | 21 Dec 2027 to 20 Feb 2028 | £375 |
| 3 to 6 months late | 21 Feb 2028 to 20 May 2028 | £750 |
| More than 6 months late | From 21 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- SC879757
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2026
- Registered office
- Bank Chambers, 31 the Square, Cumnock, KA18 1AT
- Nature of business
- Joinery installation (SIC 43320)
Wholesale of wood, construction materials and sanitary equipment (SIC 46730)
Retail sale of hardware, paints and glass in specialised stores (SIC 47520)
Retail sale via mail order houses or via Internet (SIC 47910) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Cumnock
Other active joinery companies registered in Cumnock.
- DS Wetwall and Bathrooms Ltd2021
- KSD Joiners Limited2021
- 1ST Choice Home Improvements Scotland Ltd2022
All joinery companies in Cumnock · All trades in Cumnock · Joiners and carpenters across the UK
Frequently asked questions
When are Castarra Ltd's accounts due?
Castarra Ltd's next accounts are due at Companies House by 20 November 2027 (in 404 days), covering the period to 28 February 2027.
When is Castarra 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 19 February 2027, due by 19 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castarra Ltd still trading?
Castarra 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 Castarra Ltd do?
Castarra Ltd is registered under Joinery installation (SIC 43320); Wholesale of wood, construction materials and sanitary equipment (SIC 46730); Retail sale of hardware, paints and glass in specialised stores (SIC 47520); Retail sale via mail order houses or via Internet (SIC 47910).
How old is Castarra Ltd?
Castarra Ltd was incorporated on 20 February 2026, less than a year ago.
What is the penalty if Castarra 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 Castarra 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.