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  4. J. Byrne Plant Hire & Civil Engineering Limited

J. Byrne Plant Hire & Civil Engineering Limited

ActiveTotal exemption (full) accountsCivil engineeringChatham
Company number
01535488
Incorporated
17 Dec 198045 years trading
Registered office
Byrnes, Third Avenue, Chatham, Kent, ME5 0AD
Nature of business
Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.
Accounts due in
167 days
29 Mar 2027
Net assets
£62K▲
+47.1% on the year before
Employees
10
Average during the year
From the Companies House register, 1 Oct 2026

J. Byrne Plant Hire & Civil Engineering Limited is a 45-year-old private limited company registered in Chatham, company number 01535488, one of 77 civil engineering contractors in Chatham. Its next accounts are due at Companies House on 29 March 2027, and its first CT600 is due at HMRC on 30 December 2026.

Key dates

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

Accounts due
29 Mar 2027
in 167 days
For the period to 29 Jun 2026
CT600 due (first of two)
30 Dec 2026
in 78 days
Period 31 Dec 2024 to 30 Dec 2025
CT600 due (second of two)
29 Jun 2027
in 259 days
Period 31 Dec 2025 to 29 Jun 2026
Corporation tax payment
30 Mar 2027
in 168 days
9 months and 1 day after the period end
Confirmation statement
1 Jul 2027
in 261 days
Last made up to 17 Jun 2026

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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 up £20K (+47.1%) on the year before, to £62K.
  • Net assets rose in 2 of 9 year-on-year comparisons on record.
  • 10 employees on average during the year.
  • Balance sheets on record for 10 years, 2015 to 2024.

Net assets by year

Net assets at each year end, 2015 to 2024£0£500K31 December 2015: net assets £780K£780K201531 December 2016: net assets £731K£731K201631 December 2017: net assets £700K£700K201731 December 2018: net assets £616K£616K201831 December 2019: net assets £540K£540K201931 December 2020: net assets £542K£542K202031 December 2021: net assets £234K£234K202131 December 2022: net assets £76K£76K202230 December 2023: net assets £42K£42K202330 December 2024: net assets £62K£62K2024
Net assets at each year end, 2015 to 2024£0£500K31 December 2015: net assets £780K£780K'1531 December 2016: net assets £731K£731K'1631 December 2017: net assets £700K£700K'1731 December 2018: net assets £616K£616K'1831 December 2019: net assets £540K£540K'1931 December 2020: net assets £542K£542K'2031 December 2021: net assets £234K£234K'2131 December 2022: net assets £76K£76K'2230 December 2023: net assets £42K£42K'2330 December 2024: net assets £62K£62K'24
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Dec 2024£62K£974K10
30 Dec 2023£42K£1M10
31 Dec 2022£76K£1.2M10
31 Dec 2021£234K£543£31K£686K10
31 Dec 2020£542K£543£29K£404K10
31 Dec 2019£540K£615£28K£426K11
31 Dec 2018£616K£452£189K£501K12
31 Dec 2017£700K£0£190K£428K12
31 Dec 2016£731K£5,217£297K£247K11
31 Dec 2015£780K£2,835£472K£281K

Where J. Byrne Plant Hire & Civil Engineering Limited is registered

J. Byrne Plant Hire & Civil Engineering Limited's registered office on a map of the UK

The registered office is in Chatham (ME5), in the Medway local authority area, South East. Show ME5 0AD on a map.

Other trade companies in ME5

Also registered at this address

1 other company uses the same registered office as J. Byrne Plant Hire & Civil Engineering Limited.

What happens if J. Byrne Plant Hire & Civil Engineering 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 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Mar 2027 to 29 Apr 2027£150
1 to 3 months late30 Apr 2027 to 29 Jun 2027£375
3 to 6 months late30 Jun 2027 to 29 Sep 2027£750
More than 6 months lateFrom 30 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late30 Jun 2027£200
3 months late29 Sep 2027another £200
6 months late29 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 Jun 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
01535488
Status
Active
Company type
Private limited company
Incorporated
17 December 1980 (45 years ago)
Registered office
Byrnes, Third Avenue, Chatham, Kent, ME5 0AD
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
29 June (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 December 2024
Last confirmation statement
17 June 2026
Charges (mortgages)
0 outstanding of 3 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 Chatham

Other active civil engineering contractors registered in Chatham.

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

Frequently asked questions

When are J. Byrne Plant Hire & Civil Engineering Limited's accounts due?

J. Byrne Plant Hire & Civil Engineering Limited's next accounts are due at Companies House by 29 March 2027 (in 167 days), covering the period to 29 June 2026.

When is J. Byrne Plant Hire & Civil Engineering Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 December 2025, due by 30 December 2026, and one for the period to 29 June 2026, due by 29 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is J. Byrne Plant Hire & Civil Engineering Limited still trading?

J. Byrne Plant Hire & Civil Engineering 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 J. Byrne Plant Hire & Civil Engineering Limited do?

J. Byrne Plant Hire & Civil Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999).

How old is J. Byrne Plant Hire & Civil Engineering Limited?

J. Byrne Plant Hire & Civil Engineering Limited was incorporated on 17 December 1980, 45 years ago.

What is the penalty if J. Byrne Plant Hire & Civil Engineering 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 J. Byrne Plant Hire & Civil Engineering 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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