Company profile · Builders
Cosa Construction Ltd
Cosa Construction Ltd is a 8-year-old private limited company registered in Orpington, company number 11447319, one of 167 building contractors in Orpington. 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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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Cosa Construction Ltd over the years
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 unchanged on the year before, at -£11K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £316K against £352K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£11K | £1,835 | £316K | £352K | 2 |
| 31 Dec 2024 | -£11K | £1,835 | £316K | £352K | 2 |
| 31 Dec 2023 | £2,030 | £5,395 | £354K | £360K | 2 |
| 31 Dec 2022 | £11K | £213K | £393K | £383K | 1 |
| 31 Dec 2021 | £150 | £150 | £150 | 0 | |
| 31 Jul 2021 | £100 | £100 | £0 | 0 | |
| 31 Jul 2020 | £150 | £150 | 0 | ||
| 31 Jul 2019 | £150 | £150 |
Where Cosa Construction Ltd is registered
The registered office is in Orpington (BR6), in the Bromley local authority area, London. Show BR6 0JE on a map.
Other trade companies in BR6
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- Pointfast Global LtdMachinery repair and installation
- Chebic Energy and Property Services LtdFinishing trades
- Prime Refurbishment Kent LtdBuilders
- A.D Building Services London LtdFinishing trades
- Nemo Wash and Go LtdCleaning companies
- T.E.A.Mspotless LtdCleaning companies
- Howard Construction LtdProperty developers
Shared registered office
131 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 Cosa Construction 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 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
- 11447319
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2018 (8 years ago)
- Registered office
- 39 High Street, Orpington, BR6 0JE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 27 August 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Orpington
Other active building contractors registered in Orpington.
- Craft & Build Ltd2025
- D&M Building and Renovations Ltd2024
- Da and Da Associates Ltd2026
- Demiraj Construction Services Ltd2023
- Dimension Property Service Ltd2024
- Direct Workplace Solutions Ltd2019
- DMC Construction Ltd2026
- Donegan Electrical Limited2014
All building contractors in Orpington · All trades in Orpington · Builders across the UK
Frequently asked questions
When are Cosa Construction Ltd's accounts due?
Cosa Construction Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Cosa Construction Ltd'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 Cosa Construction Ltd still trading?
Cosa Construction Ltd is listed as active on the Companies House register (checked 12 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 Cosa Construction Ltd do?
Cosa Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Cosa Construction Ltd?
Cosa Construction Ltd was incorporated on 4 July 2018, 8 years ago.
What is the penalty if Cosa Construction 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 Cosa Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.