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Willheat Limited

ActiveMicro-entity accountsPlumbers and heating engineersAberdare
Company number
07839999
Incorporated
9 Nov 201114 years trading
Registered office
2 the Glade, Aberdare, Rhondda Cynon Taff, CF44 0NX
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
200 days
30 Apr 2027
Net assets
£4,852▼
-30.2% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Willheat Limited is a 14-year-old private limited company registered in Aberdare, company number 07839999, one of 8 plumbing and heating companies in Aberdare. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 200 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 292 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 201 days
9 months and 1 day after the period end
Confirmation statement
24 Nov 2026
in 43 days
Last made up to 10 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 up £2,780 (+134.2%) on the year before, to £4,852.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £31K against £25K owed within a year: 1.2 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£20K£40K31 December 2017: net assets £17K£17K201730 November 2018: net assets £15K£15K201831 December 2018: net assets £46K£46K201831 December 2019: net assets £39K£39K201930 November 2020: net assets £26K£26K202030 November 2021: net assets £13K£13K202131 October 2022: net assets £1,891£1,891202230 September 2023: net assets £3,488£3,488202331 August 2024: net assets £2,072£2,072202431 July 2025: net assets £4,852£4,8522025
Net assets at each year end, 2017 to 2025£0£20K£40K31 December 2017: net assets £17K£17K'1730 November 2018: net assets £15K£15K'1831 December 2018: net assets £46K£46K'1831 December 2019: net assets £39K£39K'1930 November 2020: net assets £26K£26K'2030 November 2021: net assets £13K£13K'2131 October 2022: net assets £1,891£1,891'2230 September 2023: net assets £3,488£3,488'2331 August 2024: net assets £2,072£2,072'2431 July 2025: net assets £4,852£4,852'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025£4,852£31K£25K1
31 Aug 2024£2,072£50K£56K2
30 Sep 2023£3,488£79K£80K2
31 Oct 2022£1,891£82K£82K2
30 Nov 2021£13K£83K£80K2
30 Nov 2020£26K£56K£42K1
31 Dec 2019£39K£72K£45K1
31 Dec 2018£46K£62K£29K1
30 Nov 2018£15K£15K£13K
31 Dec 2017£17K£57K£45K

Where Willheat Limited is registered

Willheat Limited's registered office on a map of the UK

The registered office is in Aberdare (CF44), in the Rhondda Cynon Taf local authority area, Wales. Show CF44 0NX on a map.

Other trade companies in CF44

What happens if Willheat 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 April 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
07839999
Status
Active
Company type
Private limited company
Incorporated
9 November 2011 (14 years ago)
Registered office
2 the Glade, Aberdare, Rhondda Cynon Taff, CF44 0NX
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 July (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 July 2025
Last confirmation statement
10 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 Aberdare

Other active plumbing and heating companies registered in Aberdare.

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Frequently asked questions

When are Willheat Limited's accounts due?

Willheat Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.

When is Willheat Limited's CT600 due?

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

Is Willheat Limited still trading?

Willheat 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 Willheat Limited do?

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

How old is Willheat Limited?

Willheat Limited was incorporated on 9 November 2011, 14 years ago.

What is the penalty if Willheat 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 Willheat 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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