- Companies
- Civil engineering
- Broadstairs
- KB One Rail Limited
KB One Rail Limited
- Company number
- 09589398
- Incorporated
- 13 May 201511 years trading
- Registered office
- 20 Vincent Close, Broadstairs, CT10 2NB
- Nature of business
- Construction of railways and underground railways
KB One Rail Limited is a 11-year-old private limited company registered in Broadstairs, company number 09589398, one of 6 civil engineering contractors in Broadstairs. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for KB One Rail LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,930 (+196.5%) on the year before, to £2,912.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £13K against £5,962 owed within a year: 2.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £2,912 | £3,998 | £13K | £5,962 | 1 |
| 31 May 2025 | £982 | £17K | £8,828 | 1 | |
| 31 May 2024 | £3 | £16K | £5,981 | 1 | |
| 31 May 2023 | £11K | £37K | £15K | 1 | |
| 31 May 2022 | £4,613 | £32K | £13K | 1 | |
| 31 May 2021 | £14K | £23K | £8,407 | 1 | |
| 31 May 2020 | £8,277 | £16K | £7,676 | 1 | |
| 31 May 2019 | £6,055 | £14K | £8,375 | ||
| 31 May 2018 | £5,933 | £14K | £7,751 | ||
| 31 May 2017 | £5,632 | £2,210 | £15K | £9,414 |
Where KB One Rail Limited is registered
The registered office is in Broadstairs (CT10), in the Thanet local authority area, South East. Show CT10 2NB on a map.
Other trade companies in CT10
- Unity Energy LimitedPlumbers and heating engineers
- Manorbourne Interiors LtdInstallers
- Thanet Laundry LimitedCleaning companies
- C & G Construction LtdBuilders
- Hpe Services (Kent) LtdFinishing trades
- Davelec LtdBuilders
- Heroic-Onabanjo 1 LtdProperty developers
- Maspri Construction LtdBuilders
What happens if KB One Rail 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 09589398
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 May 2015 (11 years ago)
- Registered office
- 20 Vincent Close, Broadstairs, CT10 2NB
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 13 May 2026
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 Broadstairs
Other active civil engineering contractors registered in Broadstairs.
- PJB Rail Ltd2025
- Swingtech19 Ltd2023
- Wilkie's Services Limited2020
- Apex Utility Services Ltd2026
- Elliot Farmer Rail Limited2025
All civil engineering contractors in Broadstairs · All trades in Broadstairs · Civil engineering across the UK
Frequently asked questions
When are KB One Rail Limited's accounts due?
KB One Rail Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is KB One Rail Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is KB One Rail Limited still trading?
KB One Rail 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 KB One Rail Limited do?
KB One Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is KB One Rail Limited?
KB One Rail Limited was incorporated on 13 May 2015, 11 years ago.
What is the penalty if KB One Rail 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 KB One Rail 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.