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Copperline Plumbing Limited

ActiveMicro-entity accountsPlumbers and heating engineersFolkestone
Company number
13654495
Incorporated
30 Sep 20215 years trading
Registered office
64 Ashley Avenue, Folkestone, Kent, CT19 4PR
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
260 days
30 Jun 2027
Net assets
£1,498▼
-80.8% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Copperline Plumbing Limited is a 5-year-old private limited company registered in Folkestone, company number 13654495, one of 38 plumbing and heating companies in Folkestone. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

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

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
13 Oct 2026
today
Last made up to 29 Sep 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 £6,308 (-80.8%) on the year before, to £1,498.
  • Net assets rose in 1 of 3 year-on-year comparisons on record.
  • Current assets of £22K against £35K owed within a year: 0.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£5,00030 September 2022: net assets £5,170£5,170202230 September 2023: net assets £8,112£8,112202330 September 2024: net assets £7,806£7,806202430 September 2025: net assets £1,498£1,4982025
Net assets at each year end, 2022 to 2025£0£5,00030 September 2022: net assets £5,170£5,170202230 September 2023: net assets £8,112£8,112202330 September 2024: net assets £7,806£7,806202430 September 2025: net assets £1,498£1,4982025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£1,498£22K£35K1
30 Sep 2024£7,806£21K£40K1
30 Sep 2023£8,112£13K£15K1
30 Sep 2022£5,170£7,270£14K1

Who runs and owns Copperline Plumbing Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
C*** S***DirectorSep 2021

Person with significant control

Individual · since Sep 2021
C*** S***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Copperline Plumbing Limited is registered

Copperline Plumbing Limited's registered office on a map of the UK

The registered office is in Folkestone (CT19), in the Folkestone and Hythe local authority area, South East. Show CT19 4PR on a map.

Other trade companies in CT19

What happens if Copperline Plumbing 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 30 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
13654495
Status
Active
Company type
Private limited company
Incorporated
30 September 2021 (5 years ago)
Registered office
64 Ashley Avenue, Folkestone, Kent, CT19 4PR
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 September (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 September 2025
Last confirmation statement
29 September 2025

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Folkestone

Other active plumbing and heating companies registered in Folkestone.

All plumbing and heating companies in Folkestone · All trades in Folkestone · Plumbers and heating engineers across the UK

Frequently asked questions

When are Copperline Plumbing Limited's accounts due?

Copperline Plumbing Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is Copperline Plumbing Limited's CT600 due?

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

Is Copperline Plumbing Limited still trading?

Copperline Plumbing 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 Copperline Plumbing Limited do?

Copperline Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Copperline Plumbing Limited?

Copperline Plumbing Limited was incorporated on 30 September 2021, 5 years ago.

Who runs Copperline Plumbing Limited?

Copperline Plumbing Limited has 1 active director, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.

Who owns Copperline Plumbing Limited?

One person or company has significant control of Copperline Plumbing Limited: an individual (owns 75% or more of the shares).

What is the penalty if Copperline Plumbing 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 Copperline Plumbing 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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