- Companies
- Property developers
- Royston
- Coldharbour Developments Limited
Coldharbour Developments Limited
- Company number
- 07279493
- Incorporated
- 9 Jun 201016 years trading
- Registered office
- Lake House, Market Hill, Royston, Herts, SG8 9JN
- Nature of business
- Development of building projects
Coldharbour Developments Limited is a 16-year-old private limited company registered in Royston, company number 07279493, one of 78 property development companies in Royston. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £1,424 (-12.9%) on the year before, to £9,619.
- Net assets rose in 0 of 8 year-on-year comparisons on record.
- Current assets of £174K against £164K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £9,619 | £1,089 | £174K | £164K | 1 |
| 30 Jun 2024 | £11K | £99 | £165K | £154K | 1 |
| 30 Jun 2023 | £12K | £198 | £153K | £141K | 1 |
| 30 Jun 2022 | £14K | £272 | £155K | £141K | 1 |
| 30 Jun 2021 | £16K | £67 | £154K | £139K | 1 |
| 30 Jun 2020 | £17K | £65 | £154K | £137K | 1 |
| 30 Jun 2019 | £18K | £245 | £149K | £131K | 1 |
| 30 Jun 2017 | -£19K | £0 | £191K | £210K | 1 |
| 30 Jun 2016 | -£17K | £8,941 | £138K | £155K | |
| 30 Jun 2015 | -£12K | £0 | £48K | £60K |
Where Coldharbour Developments Limited is registered
The registered office is in Royston (SG8), in the North Hertfordshire local authority area, East of England. Show SG8 9JN on a map.
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Shared registered office
38 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 Coldharbour Developments 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 07279493
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2010 (16 years ago)
- Registered office
- Lake House, Market Hill, Royston, Herts, SG8 9JN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 8 June 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 Royston
Other active property development companies registered in Royston.
- Crocus Projects Limited2025
- Dah Management Limited2014
- Daisygrange Property Ltd2016
- Diarchy Ltd2023
- Duncan Developments Ltd2025
- Energy 0 (Zero) Limited2026
- Enton Ltd2023
- Finbrook Property Group Ltd2024
All property development companies in Royston · All trades in Royston · Property developers across the UK
Frequently asked questions
When are Coldharbour Developments Limited's accounts due?
Coldharbour Developments Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Coldharbour Developments Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Coldharbour Developments Limited still trading?
Coldharbour Developments 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 Coldharbour Developments Limited do?
Coldharbour Developments Limited is registered under Development of building projects (SIC 41100).
How old is Coldharbour Developments Limited?
Coldharbour Developments Limited was incorporated on 9 June 2010, 16 years ago.
What is the penalty if Coldharbour Developments 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 Coldharbour Developments 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.