- Companies
- Civil engineering
- St Ives
- Bost Developments Ltd
Bost Developments Ltd
- Company number
- 09352782
- Incorporated
- 12 Dec 201411 years trading
- Registered office
- The Old School, The Stennack, St Ives, Cornwall, TR26 1QU
- Nature of business
- Construction of other civil engineering projects n.e.c.
Bost Developments Ltd is a 11-year-old private limited company registered in St Ives, company number 09352782, one of 7 civil engineering contractors in St Ives. 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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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 £321K (-64%) on the year before, to -£823K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £20K against £160K owed within a year: 0.1 times cover.
- 2 employees on average during the year.
- 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 Dec 2025 | -£823K | £6,793 | £20K | £160K | 2 |
| 31 Dec 2024 | -£502K | £2,268 | £7,750 | £198K | 2 |
| 31 Dec 2023 | -£256K | £6,919 | £121K | £166K | 2 |
| 31 Dec 2022 | -£109K | £7,166 | £9,897 | £38K | 2 |
| 31 Dec 2021 | -£216K | £21K | £1.3M | £56K | 2 |
| 31 Dec 2020 | -£128K | £14K | £988K | £5,541 | 2 |
| 31 Dec 2019 | -£56K | £218K | £745K | £6,444 | 2 |
| 31 Dec 2018 | -£13K | £31 | £512K | £15K | |
| 31 Dec 2017 | -£225 | £14K | £17K | £17K | |
| 31 Dec 2016 | -£1,160 | £39 | £690K | £691K |
Where Bost Developments Ltd is registered
The registered office is in St Ives (TR26), in the Cornwall local authority area, South West. Show TR26 1QU on a map.
Other trade companies in TR26
- Monoplace LtdProperty developers
- Monotypic Assets LtdBuilders
- Maid by the Sea LtdCleaning companies
- Carl Potter Wilson LtdProperty developers
- Groundwake LtdCivil engineering
- L&M Maintenance LtdMachinery repair and installation
- Sublime Precision LtdMachinery repair and installation
- Foxton Group LtdBuilders
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 Bost Developments 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
- 09352782
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2014 (11 years ago)
- Registered office
- The Old School, The Stennack, St Ives, Cornwall, TR26 1QU
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 21 September 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in St Ives
Other active civil engineering contractors registered in St Ives.
- Cove Construction (Cornwall) Ltd2013
- Curnow Construction Ltd2018
- Perkin & Rouncefield Ltd2004
- Roger Corin & Co Construction Ltd2003
- Underwild Design & Development Ltd2004
- Blue Wave Design & Construction Services Ltd2019
All civil engineering contractors in St Ives · All trades in St Ives · Civil engineering across the UK
Frequently asked questions
When are Bost Developments Ltd's accounts due?
Bost Developments 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 Bost Developments 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 Bost Developments Ltd still trading?
Bost Developments 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 Bost Developments Ltd do?
Bost Developments Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Bost Developments Ltd?
Bost Developments Ltd was incorporated on 12 December 2014, 11 years ago.
What is the penalty if Bost Developments 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 Bost Developments 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.