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  4. Knowledge Heating Limited

Knowledge Heating Limited

ActiveNo accounts filed yet accountsPlumbers and heating engineersLeeds
Company number
16197389
Incorporated
21 Jan 20251 year trading
Registered office
23 Temple Garth, Leeds, LS11 9BZ
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
8 days
21 Oct 2026
From the Companies House register, 1 Oct 2026

Knowledge Heating Limited is a 1-year-old private limited company registered in Leeds, company number 16197389, one of 357 plumbing and heating companies in Leeds. Its next accounts are due at Companies House on 21 October 2026, and its first CT600 is due at HMRC on 20 January 2027.

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
21 Oct 2026
in 8 days
For the period to 31 Jan 2026
CT600 due (first of two)
20 Jan 2027
in 99 days
Period 21 Jan 2025 to 20 Jan 2026
CT600 due (second of two)
31 Jan 2027
in 110 days
Period 21 Jan 2026 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
3 Feb 2027
in 113 days
Last made up to 20 Jan 2026

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Where Knowledge Heating Limited is registered

Knowledge Heating Limited's registered office on a map of the UK

The registered office is in Leeds (LS11), in the Leeds local authority area, Yorkshire and The Humber. Show LS11 9BZ on a map.

Other trade companies in LS11

What happens if Knowledge Heating 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 21 October 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late22 Oct 2026 to 21 Nov 2026£150
1 to 3 months late22 Nov 2026 to 21 Jan 2027£375
3 to 6 months late22 Jan 2027 to 21 Apr 2027£750
More than 6 months lateFrom 22 Apr 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 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
16197389
Status
Active
Company type
Private limited company
Incorporated
21 January 2025 (1 year ago)
Registered office
23 Temple Garth, Leeds, LS11 9BZ
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 January (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
20 January 2026

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 Leeds

Other active plumbing and heating companies registered in Leeds.

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

Frequently asked questions

When are Knowledge Heating Limited's accounts due?

Knowledge Heating Limited's next accounts are due at Companies House by 21 October 2026 (in 8 days), covering the period to 31 January 2026.

When is Knowledge Heating 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 20 January 2026, due by 20 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Knowledge Heating Limited still trading?

Knowledge Heating 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 Knowledge Heating Limited do?

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

How old is Knowledge Heating Limited?

Knowledge Heating Limited was incorporated on 21 January 2025, 1 year ago.

What is the penalty if Knowledge Heating 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 Knowledge Heating 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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