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K and O Gas and Heating Ltd

ActiveMicro-entity accountsPlumbers and heating engineersLondon
Company number
12565432
Incorporated
21 Apr 20206 years trading
Registered office
23 Wimborne House, Dorset Road, London, SW8 1AH
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
138 days
28 Feb 2027
Net assets
£79▼
-99.4% on the year before
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

K and O Gas and Heating Ltd is a 6-year-old private limited company registered in London, company number 12565432, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 28 February 2027, and its first CT600 is due at HMRC on 30 April 2027.

Key dates

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

Accounts due
28 Feb 2027
in 138 days
For the period to 31 May 2026
CT600 due (first of two)
30 Apr 2027
in 199 days
Period 1 May 2025 to 30 Apr 2026
CT600 due (second of two)
31 May 2027
in 230 days
Period 1 May 2026 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 139 days
9 months and 1 day after the period end
Confirmation statement
30 Nov 2026
in 48 days
Last made up to 16 Nov 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 £13K (-99.4%) on the year before, to £79.
  • Net assets rose in 2 of 4 year-on-year comparisons on record.
  • Current assets of £3,288 against £8,734 owed within a year: 0.4 times cover.
  • 3 employees on average, up from 2 the year before.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£10K30 April 2021: net assets £15K£15K202130 April 2022: net assets £16K£16K202230 April 2023: net assets £16K£16K202330 April 2024: net assets £13K£13K202430 April 2025: net assets £79£792025
Net assets at each year end, 2021 to 2025£0£10K30 April 2021: net assets £15K£15K202130 April 2022: net assets £16K£16K202230 April 2023: net assets £16K£16K202330 April 2024: net assets £13K£13K202430 April 2025: net assets £79£792025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£79£3,288£8,7343
30 Apr 2024£13K£13K£4,0112
30 Apr 2023£16K£27K£11K2
30 Apr 2022£16K£32K£16K2
30 Apr 2021£15K£35K£21K1

Who runs and owns K and O Gas and Heating Ltd

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

Officer

NameRoleAppointed
A*** O***DirectorApr 2020
1 former officer
NameRoleAppointedLeft
P*** K***DirectorApr 2020Jul 2020

Person with significant control

Individual · since Apr 2020
A*** O***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where K and O Gas and Heating Ltd is registered

K and O Gas and Heating Ltd's registered office on a map of the UK

The registered office is in London (SW8), in the Lambeth local authority area, London. Show SW8 1AH on a map.

Other trade companies in SW8

What happens if K and O Gas and Heating Ltd 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 28 February 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2027 to 31 Mar 2027£150
1 to 3 months late1 Apr 2027 to 31 May 2027£375
3 to 6 months late1 Jun 2027 to 31 Aug 2027£750
More than 6 months lateFrom 1 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
12565432
Status
Active
Company type
Private limited company
Incorporated
21 April 2020 (6 years ago)
Registered office
23 Wimborne House, Dorset Road, London, SW8 1AH
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 May (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2025
Last confirmation statement
16 November 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 London

Other active plumbing and heating companies registered in London.

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

Frequently asked questions

When are K and O Gas and Heating Ltd's accounts due?

K and O Gas and Heating Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.

When is K and O Gas and Heating Ltd'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 April 2026, due by 30 April 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is K and O Gas and Heating Ltd still trading?

K and O Gas and Heating Ltd 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 K and O Gas and Heating Ltd do?

K and O Gas and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is K and O Gas and Heating Ltd?

K and O Gas and Heating Ltd was incorporated on 21 April 2020, 6 years ago.

Who runs K and O Gas and Heating Ltd?

K and O Gas and Heating Ltd has 1 active director, the longest-serving appointed in Apr 2020. Their names and service addresses are on the Companies House register.

Who owns K and O Gas and Heating Ltd?

One person or company has significant control of K and O Gas and Heating Ltd: an individual (owns 75% or more of the shares).

What is the penalty if K and O Gas and Heating Ltd 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 K and O Gas and Heating Ltd 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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