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C Install Limited

ActiveMicro-entity accountsInstallersPort Talbot
Company number
12810373
Incorporated
13 Aug 20206 years trading
Registered office
Water Street Business Centre, Water Street, Port Talbot, Neath Port Talbot, SA12 6LF
Nature of business
Other construction installation; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Accounts
Overdue
Were due 31 Aug 2026
Checked with Companies House 12 Oct 2026

C Install Limited is a 6-year-old private limited company registered in Port Talbot, company number 12810373, one of 25 installation companies (insulation, lifts, shutters and similar) in Port Talbot. Companies House shows its accounts as overdue: they were due on 31 August 2026.

Key dates

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

Accounts due
31 Aug 2026
Overdue by 42 days
For the period to 30 Nov 2025
CT600 due (first of two)
31 Aug 2026
Date passed (HMRC does not publish filings)
Period 1 Sep 2024 to 31 Aug 2025
CT600 due (second of two)
30 Nov 2026
in 49 days
Period 1 Sep 2025 to 30 Nov 2025
Corporation tax payment
1 Sep 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
15 Oct 2026
in 3 days
Last made up to 1 Oct 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 up £97K on the year before, to £97K.
  • Net assets rose in 1 of 3 year-on-year comparisons on record.
  • Current assets of £182K against £85K owed within a year: 2.1 times cover.
  • 3 employees on average, up from 0 the year before.
  • Balance sheets on record for 4 years, 2021 to 2024.

Net assets by year

Net assets at each year end, 2021 to 2024£0£50K31 August 2021: net assets £10£10202131 August 2022: net assets £10£10202231 August 2023: net assets £10£10202331 August 2024: net assets £97K£97K2024
Net assets at each year end, 2021 to 2024£0£50K31 August 2021: net assets £10£10202131 August 2022: net assets £10£10202231 August 2023: net assets £10£10202331 August 2024: net assets £97K£97K2024
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2024£97K£182K£85K3
31 Aug 2023£10£100
31 Aug 2022£10£10
31 Aug 2021£10£10

Where C Install Limited is registered

C Install Limited's registered office on a map of the UK

The registered office is in Port Talbot (SA12), in the Neath Port Talbot local authority area, Wales. Show SA12 6LF on a map.

Other trade companies in SA12

Also registered at this address

1 other company uses the same registered office as C Install Limited.

What happens if C Install Limited files late

If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2026 to 30 Sep 2026£150
1 to 3 months late1 Oct 2026 to 30 Nov 2026£375
3 to 6 months late1 Dec 2026 to 28 Feb 2027£750
More than 6 months lateFrom 1 Mar 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2026£200
3 months late28 Feb 2027another £200
6 months late30 May 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 2027another 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
12810373
Status
Active
Company type
Private limited company
Incorporated
13 August 2020 (6 years ago)
Registered office
Water Street Business Centre, Water Street, Port Talbot, Neath Port Talbot, SA12 6LF
Nature of business
Other construction installation (SIC 43290)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2024
Last confirmation statement
1 October 2025
Charges (mortgages)
1 outstanding of 1 registered
Previous names
C Industrial Limited (until 22 Nov 2023)

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

Similar companies in Port Talbot

Other active installation companies (insulation, lifts, shutters and similar) registered in Port Talbot.

All installation companies (insulation, lifts, shutters and similar) in Port Talbot · All trades in Port Talbot · Installers across the UK

Frequently asked questions

When are C Install Limited's accounts due?

C Install Limited's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.

When is C Install 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 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is C Install Limited still trading?

C Install 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 C Install Limited do?

C Install Limited is registered under Other construction installation (SIC 43290); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).

How old is C Install Limited?

C Install Limited was incorporated on 13 August 2020, 6 years ago.

What is the penalty if C Install 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 C Install 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.

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