- Companies
- Property developers
- London
- Coltrane Capital Partners (UK) Limited
Coltrane Capital Partners (UK) Limited
- Company number
- 06617953
- Incorporated
- 12 Jun 200818 years trading
- Registered office
- Grosvenor Partners LLP, 80 Coleman Street, London, EC2R 5BJ
- Nature of business
- Development of building projects; Activities of open-ended investment companies; Other letting and operating of own or leased real estate; Other business support service activities n.e.c.
Coltrane Capital Partners (UK) Limited is a 18-year-old private limited company registered in London, company number 06617953, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £42K (+0%) on the year before, to £105M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £5.3M against £34K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Mar 2025 | £105M | £2.3M | £5.3M | £34K | 0 |
| 31 Mar 2024 | £105M | £3.9M | £5.3M | £172K | 1 |
| 31 Mar 2023 | £100M | £6.4M | £6.6M | £1.3M | 1 |
| 30 Jun 2022 | £79M | £514K | £572K | £323K | 1 |
| 30 Jun 2021 | £36M | £343K | £121K | 1 | |
| 30 Jun 2020 | £22M | £204K | £87K | 1 | |
| 30 Jun 2019 | £5.4M | £147K | £109K | ||
| 30 Jun 2018 | £49K | £57K | £7,910 | ||
| 30 Jun 2017 | £8,616 | £13K | £76 | ||
| 30 Jun 2016 | £116K | £187K | £190K | £74K |
Where Coltrane Capital Partners (UK) Limited is registered
The registered office is in London (EC2R), in the City of London local authority area, London. Show EC2R 5BJ on a map.
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What happens if Coltrane Capital Partners (UK) Limited 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06617953
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2008 (18 years ago)
- Registered office
- Grosvenor Partners LLP, 80 Coleman Street, London, EC2R 5BJ
- Nature of business
- Development of building projects (SIC 41100)
Activities of open-ended investment companies (SIC 64304)
Other letting and operating of own or leased real estate (SIC 68209)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 June 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
- Previous names
- Rainboe Limited (until 17 Apr 2012)
JCS 102 Limited (until 5 Feb 2009)
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 London
Other active property development companies registered in London.
- Columbia House Properties (No.1) Limited1994
- Columbia House Properties (No.6) Limited1997
- Columbia Mills Developments Ltd2022
- Columbia Rentals Limited1994
- Columbia Road Limited2022
- Colyer Developments Limited1997
- Com Mon I Limited2019
- Comarq. Capital Limited2025
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Coltrane Capital Partners (UK) Limited's accounts due?
Coltrane Capital Partners (UK) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Coltrane Capital Partners (UK) Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Coltrane Capital Partners (UK) Limited still trading?
Coltrane Capital Partners (UK) Limited 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 Coltrane Capital Partners (UK) Limited do?
Coltrane Capital Partners (UK) Limited is registered under Development of building projects (SIC 41100); Activities of open-ended investment companies (SIC 64304); Other letting and operating of own or leased real estate (SIC 68209); Other business support service activities n.e.c. (SIC 82990).
How old is Coltrane Capital Partners (UK) Limited?
Coltrane Capital Partners (UK) Limited was incorporated on 12 June 2008, 18 years ago.
What is the penalty if Coltrane Capital Partners (UK) Limited 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 Coltrane Capital Partners (UK) Limited 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.