PricingHow It WorksWebsites
CT600 FilingCompanies House AccountsCompany Deadlines LookupWhat You Need to FileSelf AssessmentCIS ReturnsMaking Tax DigitalFree Tax Calculators
YappazineFree Tax CalculatorsHelp CentreFAQSupportOur Infrastructure
Jobs & leadsStripeMeta Lead AdsWhatsApp AITelegram
Tax filingHMRC (MTD)
Works with bothXeroQuickBooks
AboutPartner APIContactSecurityPrivacy PolicyTerms of Service
  1. Companies
  2. Plumbers and heating engineers
  3. Barnet
  4. Qubix Plumbing Limited

Qubix Plumbing Limited

ActiveNo accounts filed yet accountsPlumbers and heating engineersBarnet
Company number
17124453
Incorporated
30 Mar 2026
Registered office
5 Braemore Court, Cockfosters Road, Barnet, EN4 0AE
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
443 days
30 Dec 2027
From the Companies House register, 1 Oct 2026

Qubix Plumbing Limited is a newly incorporated private limited company registered in Barnet, company number 17124453, one of 75 plumbing and heating companies in Barnet. Its next accounts are due at Companies House on 30 December 2027, and its first CT600 is due at HMRC on 29 March 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
30 Dec 2027
in 443 days
For the period to 31 Mar 2027
CT600 due (first of two)
29 Mar 2028
in 533 days
Period 30 Mar 2026 to 29 Mar 2027
CT600 due (second of two)
31 Mar 2028
in 535 days
Period 30 Mar 2027 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
12 Apr 2027
in 181 days

Is this your company?

File the first 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 Qubix Plumbing 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.

Where Qubix Plumbing Limited is registered

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

The registered office is in Barnet (EN4), in the Enfield local authority area, London. Show EN4 0AE on a map.

Other trade companies in EN4

Also registered at this address

12 other companies use the same registered office as Qubix Plumbing Limited.

What happens if Qubix 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Dec 2027 to 30 Jan 2028£150
1 to 3 months late31 Jan 2028 to 30 Mar 2028£375
3 to 6 months late31 Mar 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
17124453
Status
Active
Company type
Private limited company
Incorporated
30 March 2026
Registered office
5 Braemore Court, Cockfosters Road, Barnet, EN4 0AE
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 March (accounting reference date)
Accounts type
No accounts filed yet

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 Barnet

Other active plumbing and heating companies registered in Barnet.

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

Frequently asked questions

When are Qubix Plumbing Limited's accounts due?

Qubix Plumbing Limited's next accounts are due at Companies House by 30 December 2027 (in 443 days), covering the period to 31 March 2027.

When is Qubix Plumbing 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 29 March 2027, due by 29 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Qubix Plumbing Limited still trading?

Qubix 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 Qubix Plumbing Limited do?

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

How old is Qubix Plumbing Limited?

Qubix Plumbing Limited was incorporated on 30 March 2026, less than a year ago.

What is the penalty if Qubix 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 Qubix 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.

File accounts + CT600File now£49Let's talk