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  3. Calderbank Contractors Limited

Calderbank Contractors Limited

ActiveMicro-entity accountsCivil engineeringDerbyshire
Company number
03024544
Incorporated
21 Feb 199531 years trading
Registered office
9 Field End, Brassington, Derbyshire, DE4 4HG
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
230 days
31 May 2027
Net assets
£367K▼
-3.8% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Calderbank Contractors Limited is a 31-year-old private limited company registered in Derbyshire, company number 03024544, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
24 Dec 2026
in 72 days
Last made up to 10 Dec 2025

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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 £15K (-3.8%) on the year before, to £367K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £247K against £3,260 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

Net assets at each year end, 2016 to 2025£0£200K£400K31 August 2016: net assets £353K£353K201631 August 2017: net assets £360K£360K201731 August 2018: net assets £347K£347K201831 August 2019: net assets £345K£345K201931 August 2020: net assets £354K£354K202031 August 2021: net assets £357K£357K202131 August 2022: net assets £425K£425K202231 August 2023: net assets £392K£392K202331 August 2024: net assets £381K£381K202431 August 2025: net assets £367K£367K2025
Net assets at each year end, 2016 to 2025£0£200K£400K31 August 2016: net assets £353K£353K'1631 August 2017: net assets £360K£360K'1731 August 2018: net assets £347K£347K'1831 August 2019: net assets £345K£345K'1931 August 2020: net assets £354K£354K'2031 August 2021: net assets £357K£357K'2131 August 2022: net assets £425K£425K'2231 August 2023: net assets £392K£392K'2331 August 2024: net assets £381K£381K'2431 August 2025: net assets £367K£367K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£367K£247K£3,2600
31 Aug 2024£381K£261K£2,1670
31 Aug 2023£392K£271K£1,5870
31 Aug 2022£425K£323K£20K0
31 Aug 2021£357K£146K£1,7010
31 Aug 2020£354K£143K£2,2930
31 Aug 2019£345K£132K£132K£8380
31 Aug 2018£347K£137K£137K£2,525
31 Aug 2017£360K£149K£149K£2,480
31 Aug 2016£353K£143K£2,526

Where Calderbank Contractors Limited is registered

Calderbank Contractors Limited's registered office on a map of the UK

The registered office is in Derbyshire (DE4), in the Derbyshire Dales local authority area, East Midlands. Show DE4 4HG on a map.

Other trade companies in DE4

What happens if Calderbank Contractors 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 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 31 Aug 2027£375
3 to 6 months late1 Sep 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
03024544
Status
Active
Company type
Private limited company
Incorporated
21 February 1995 (31 years ago)
Registered office
9 Field End, Brassington, Derbyshire, DE4 4HG
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2025
Last confirmation statement
10 December 2025
Charges (mortgages)
1 outstanding of 1 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

Other active civil engineering contractors.

Civil engineering across the UK

Frequently asked questions

When are Calderbank Contractors Limited's accounts due?

Calderbank Contractors Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is Calderbank Contractors Limited's CT600 due?

The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.

Is Calderbank Contractors Limited still trading?

Calderbank Contractors 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 Calderbank Contractors Limited do?

Calderbank Contractors Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Calderbank Contractors Limited?

Calderbank Contractors Limited was incorporated on 21 February 1995, 31 years ago.

What is the penalty if Calderbank Contractors 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 Calderbank Contractors 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). 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.

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