1. Companies
  2. Civil engineering
  3. Sidcup
  4. Collins Rail Services Limited

Collins Rail Services Limited

ActiveTotal exemption (full) accountsCivil engineeringSidcup
Company number
10335853
Incorporated
18 Aug 201610 years trading
Registered office
12 Hatherley Road, Sidcup, DA14 4DT
Nature of business
Construction of railways and underground railways
Accounts due in
110 days
31 Jan 2027
Checked with Companies House 12 Oct 2026

Collins Rail Services Limited is a 10-year-old private limited company registered in Sidcup, company number 10335853, one of 63 civil engineering contractors in Sidcup. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Jan 2027
in 110 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 199 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 111 days
9 months and 1 day after the period end
Confirmation statement
31 Aug 2026
Overdue by 43 days
Last made up to 17 Aug 2025

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 Collins Rail Services Limited

Or 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 £7,332 (+30.8%) on the year before, to £31K.
  • Net assets rose in 6 of 8 year-on-year comparisons on record.
  • Current assets of £50K against £20K owed within a year: 2.5 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£20K31 August 2017: net assets £322£322201731 August 2018: net assets £453£453201831 August 2019: net assets £851£851201931 August 2020: net assets £380£380202030 April 2021: net assets £2,339£2,339202130 April 2022: net assets £1,412£1,412202230 April 2023: net assets £8,212£8,212202330 April 2024: net assets £24K£24K202430 April 2025: net assets £31K£31K2025
Net assets at each year end, 2017 to 2025£0£20K31 August 2017: net assets £322£322'1731 August 2018: net assets £453£453'1831 August 2019: net assets £851£851'1931 August 2020: net assets £380£380'2030 April 2021: net assets £2,339£2,339'2130 April 2022: net assets £1,412£1,412'2230 April 2023: net assets £8,212£8,212'2330 April 2024: net assets £24K£24K'2430 April 2025: net assets £31K£31K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£31K£3,771£50K£20K1
30 Apr 2024£24K£2,851£39K£16K1
30 Apr 2023£8,212£1,017£21K£14K1
30 Apr 2022£1,412£7£12K£12K1
30 Apr 2021£2,339£7,750£64K£14K1
31 Aug 2020£380£9,000£12K£14K1
31 Aug 2019£851£9,224£9,224£11K1
31 Aug 2018£453£6,350£6,819£7,8551
31 Aug 2017£322£3,110£3,110£4,6781

Where Collins Rail Services Limited is registered

Collins Rail Services Limited's registered office on a map of the UK

The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 4DT on a map.

Other trade companies in DA14

Shared registered office

427 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 Collins Rail Services 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 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2027 to 28 Feb 2027£150
1 to 3 months late1 Mar 2027 to 30 Apr 2027£375
3 to 6 months late1 May 2027 to 31 Jul 2027£750
More than 6 months lateFrom 1 Aug 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 May 2027£200
3 months late30 Jul 2027another £200
6 months late30 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 2028another 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
10335853
Status
Active
Company type
Private limited company
Incorporated
18 August 2016 (10 years ago)
Registered office
12 Hatherley Road, Sidcup, DA14 4DT
Nature of business
Construction of railways and underground railways (SIC 42120)
Year end
30 April (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 April 2025
Last confirmation statement
17 August 2025

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 Sidcup

Other active civil engineering contractors registered in Sidcup.

All civil engineering contractors in Sidcup · All trades in Sidcup · Civil engineering across the UK

Frequently asked questions

When are Collins Rail Services Limited's accounts due?

Collins Rail Services Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.

When is Collins Rail Services Limited's CT600 due?

The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.

Is Collins Rail Services Limited still trading?

Collins Rail Services Limited 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 Collins Rail Services Limited do?

Collins Rail Services Limited is registered under Construction of railways and underground railways (SIC 42120).

How old is Collins Rail Services Limited?

Collins Rail Services Limited was incorporated on 18 August 2016, 10 years ago.

What is the penalty if Collins Rail Services 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 Collins Rail Services Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk