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  4. I R Plumbing & Heating Ltd

I R Plumbing & Heating Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersHarrow
Company number
09931906
Incorporated
30 Dec 201510 years trading
Registered office
128 B High Street, Harrow, HA3 7AL
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
352 days
30 Sep 2027
Net assets
£14K▲
+104.1% on the year before
Cash at bank
£17K
At 31 Dec 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

I R Plumbing & Heating Ltd is a 10-year-old private limited company registered in Harrow, company number 09931906, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 352 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 444 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
19 Dec 2026
in 67 days
Last made up to 5 Dec 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 £7,359 (+104.1%) on the year before, to £14K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £20K against £7,010 owed within a year: 2.8 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£5,000£10K31 December 2016: net assets £4,453£4,453201631 December 2017: net assets £6,488£6,488201731 December 2018: net assets £4,722£4,722201831 December 2019: net assets £6,386£6,386201931 December 2020: net assets £3,268£3,268202031 December 2021: net assets £5,922£5,922202131 December 2022: net assets £7,722£7,722202231 December 2023: net assets £6,812£6,812202331 December 2024: net assets £7,072£7,072202431 December 2025: net assets £14K£14K2025
Net assets at each year end, 2016 to 2025£0£5,000£10K31 December 2016: net assets £4,453£4,453'1631 December 2017: net assets £6,488£6,488'1731 December 2018: net assets £4,722£4,722'1831 December 2019: net assets £6,386£6,386'1931 December 2020: net assets £3,268£3,268'2031 December 2021: net assets £5,922£5,922'2131 December 2022: net assets £7,722£7,722'2231 December 2023: net assets £6,812£6,812'2331 December 2024: net assets £7,072£7,072'2431 December 2025: net assets £14K£14K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£14K£17K£20K£7,0101
31 Dec 2024£7,072£25K1
31 Dec 2023£6,812-£4,951-£5,027£8,6411
31 Dec 2022£7,722-£5,058-£4,558£5,5891
31 Dec 2021£5,922£16K£5,0921
31 Dec 2020£3,268£15K£15K£3,6571
31 Dec 2019£6,386£1,477£1,477£4,9091
31 Dec 2018£4,722£4,167£6,154£1,432
31 Dec 2017£6,488£1,765£3,270£3,218
31 Dec 2016£4,453£524£1,118£3,335

Who runs and owns I R Plumbing & Heating Ltd

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

Officer

NameRoleAppointed
I*** R***DirectorDec 2015

Person with significant control

Individual · since Dec 2016
I*** R***
Owns 75% or more of the shares
Holds 75% or more of the votes

Where I R Plumbing & Heating Ltd is registered

I R Plumbing & Heating Ltd's registered office on a map of the UK

The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 7AL on a map.

Other trade companies in HA3

What happens if I R Plumbing & 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 30 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
09931906
Status
Active
Company type
Private limited company
Incorporated
30 December 2015 (10 years ago)
Registered office
128 B High Street, Harrow, HA3 7AL
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 December 2025
Last confirmation statement
5 December 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 Harrow

Other active plumbing and heating companies registered in Harrow.

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Frequently asked questions

When are I R Plumbing & Heating Ltd's accounts due?

I R Plumbing & Heating Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.

When is I R Plumbing & Heating Ltd's CT600 due?

The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.

Is I R Plumbing & Heating Ltd still trading?

I R Plumbing & 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 I R Plumbing & Heating Ltd do?

I R Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is I R Plumbing & Heating Ltd?

I R Plumbing & Heating Ltd was incorporated on 30 December 2015, 10 years ago.

Who runs I R Plumbing & Heating Ltd?

I R Plumbing & Heating Ltd has 1 active director, the longest-serving appointed in Dec 2015. Their names and service addresses are on the Companies House register.

Who owns I R Plumbing & Heating Ltd?

One person or company has significant control of I R Plumbing & Heating Ltd: an individual (owns 75% or more of the shares).

What is the penalty if I R Plumbing & 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 I R Plumbing & 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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