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  4. Thermoglow Plumbing & Heating Ltd

Thermoglow Plumbing & Heating Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersLee-on-the-Solent
Company number
10510398
Incorporated
5 Dec 20169 years trading
Registered office
62 Fell Drive, Lee-on-the-Solent, PO13 8JR
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
351 days
30 Sep 2027
Net assets
-£7,794▼
At 31 Dec 2025
Cash at bank
£9,534▲
At 31 Dec 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Thermoglow Plumbing & Heating Ltd is a 9-year-old private limited company registered in Lee-on-the-Solent, company number 10510398, one of 5 plumbing and heating companies in Lee-on-the-Solent. 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 351 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 443 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 352 days
9 months and 1 day after the period end
Confirmation statement
15 Oct 2026
tomorrow
Last made up to 1 Oct 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 £8,073 on the year before, to -£7,794.
  • Net assets rose in 4 of 8 year-on-year comparisons on record.
  • Current assets of £11K against £19K owed within a year: 0.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£10K31 December 2017: net assets £3,718£3,718201731 December 2018: net assets £15K£15K201831 December 2019: net assets £20K£20K201931 December 2020: net assets £19K£19K202031 December 2021: net assets £8,484£8,484202131 December 2022: net assets £100£100202231 December 2023: net assets £262£262202331 December 2024: net assets £279£279202431 December 2025: net assets -£7,794-£7,7942025
Net assets at each year end, 2017 to 2025£0£10K31 December 2017: net assets £3,718£3,718'1731 December 2018: net assets £15K£15K'1831 December 2019: net assets £20K£20K'1931 December 2020: net assets £19K£19K'2031 December 2021: net assets £8,484£8,484'2131 December 2022: net assets £100£100'2231 December 2023: net assets £262£262'2331 December 2024: net assets £279£279'2431 December 2025: net assets -£7,794-£7,794'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025-£7,794£9,534£11K£19K1
31 Dec 2024£279£6,655£9,535£10K1
31 Dec 2023£262£1,248£7,388£8,5421
31 Dec 2022£100£115£9,644£11K1
31 Dec 2021£8,484£7,889£17K£11K1
31 Dec 2020£19K£14K£24K£7,9461
31 Dec 2019£20K£12K£22K£6,3771
31 Dec 2018£15K£3,028£18K£8,7381
31 Dec 2017£3,718£4,429£12K£15K1

Where Thermoglow Plumbing & Heating Ltd is registered

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

The registered office is in Lee-on-the-Solent (PO13), in the Gosport local authority area, South East. Show PO13 8JR on a map.

Other trade companies in PO13

What happens if Thermoglow 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
10510398
Status
Active
Company type
Private limited company
Incorporated
5 December 2016 (9 years ago)
Registered office
62 Fell Drive, Lee-on-the-Solent, PO13 8JR
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
1 October 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 Lee-on-the-Solent

Other active plumbing and heating companies registered in Lee-on-the-Solent.

All plumbing and heating companies in Lee-on-the-Solent · All trades in Lee-on-the-Solent · Plumbers and heating engineers across the UK

Frequently asked questions

When are Thermoglow Plumbing & Heating Ltd's accounts due?

Thermoglow Plumbing & Heating Ltd's next accounts are due at Companies House by 30 September 2027 (in 351 days), covering the period to 31 December 2026.

When is Thermoglow 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 Thermoglow Plumbing & Heating Ltd still trading?

Thermoglow 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 Thermoglow Plumbing & Heating Ltd do?

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

How old is Thermoglow Plumbing & Heating Ltd?

Thermoglow Plumbing & Heating Ltd was incorporated on 5 December 2016, 9 years ago.

What is the penalty if Thermoglow 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 Thermoglow 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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