- Companies
- Property developers
- Croydon
- Cobalt Construction PL Ltd
Cobalt Construction PL Ltd
- Company number
- 06051754
- Incorporated
- 12 Jan 200719 years trading
- Registered office
- Cobalt House, 59B Imperial Way, Croydon, Surrey, CR0 4RR
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings; Other specialised construction activities n.e.c.
Cobalt Construction PL Ltd is a 19-year-old private limited company registered in Croydon, company number 06051754, one of 343 property development companies in Croydon. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £9,115 (+2%) on the year before, to £456K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £954K against £507K owed within a year: 1.9 times cover.
- 13 employees on average, down from 14 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £456K | £123K | £954K | £507K | 13 |
| 31 Jan 2024 | £447K | £216K | £802K | £356K | 14 |
| 31 Jan 2023 | £443K | £204K | £1.4M | £945K | 15 |
| 31 Jan 2022 | £432K | £75K | £1.6M | £1.2M | 15 |
| 31 Jan 2021 | £430K | £416K | £1.5M | £1M | 17 |
| 31 Jan 2020 | £428K | £199K | £1.1M | £746K | 19 |
| 31 Jan 2019 | £412K | £235K | £779K | £425K | 11 |
| 31 Jan 2018 | £399K | £142K | £700K | £371K | 8 |
| 31 Jan 2017 | £318K | £106K | £690K | £454K | 7 |
| 31 Jan 2016 | £166K | £572K | £781K | £686K | 9 |
Where Cobalt Construction PL Ltd is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 4RR on a map.
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- Premier Kitchen Installations LimitedJoiners and carpenters
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Also registered at this address
2 other companies use the same registered office as Cobalt Construction PL Ltd.
- Addiscombe Estate PL LimitedProperty developers
- Cobalt Developments PL LimitedProperty developers
What happens if Cobalt Construction PL 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 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
- 06051754
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2007 (19 years ago)
- Registered office
- Cobalt House, 59B Imperial Way, Croydon, Surrey, CR0 4RR
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 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 Croydon
Other active property development companies registered in Croydon.
- Cobalt Developments PL Limited2015
- Commercial and Residential Screeders Limited2008
- Company of Builders Ltd2020
- Coox & Son Construction Ltd2025
- Cordomus Limited2021
- CPPR Property Limited2004
- Crown Builders Services Ltd2018
- Croydonian Independent Action Ltd2026
All property development companies in Croydon · All trades in Croydon · Property developers across the UK
Frequently asked questions
When are Cobalt Construction PL Ltd's accounts due?
Cobalt Construction PL Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Cobalt Construction PL Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Cobalt Construction PL Ltd still trading?
Cobalt Construction PL 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 Cobalt Construction PL Ltd do?
Cobalt Construction PL Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is Cobalt Construction PL Ltd?
Cobalt Construction PL Ltd was incorporated on 12 January 2007, 19 years ago.
What is the penalty if Cobalt Construction PL 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 Cobalt Construction PL 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.