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  4. Thermotec (UK) Ltd

Thermotec (UK) Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersEastbourne
Company number
09080287
Incorporated
10 Jun 201412 years trading
Registered office
53 Gildredge Road, Eastbourne, East Sussex, BN21 4SF
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
352 days
30 Sep 2027
Net assets
£1.4M▼
-26.3% on the year before
Cash at bank
£559K▼
At 31 Dec 2025
Employees
16
Average during the year
From the Companies House register, 1 Oct 2026

Thermotec (UK) Ltd is a 12-year-old private limited company registered in Eastbourne, company number 09080287, one of 79 plumbing and heating companies in Eastbourne. 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
18 Sep 2027
in 340 days
Last made up to 4 Sep 2026

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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 £502K (-26.3%) on the year before, to £1.4M.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £2.2M against £905K owed within a year: 2.4 times cover.
  • 16 employees on average, down from 17 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£1M31 December 2016: net assets £481K£481K201631 December 2017: net assets £825K£825K201731 December 2018: net assets £968K£968K201831 December 2019: net assets £598K£598K201931 December 2020: net assets £709K£709K202031 December 2021: net assets £734K£734K202131 December 2022: net assets £979K£979K202231 December 2023: net assets £1.4M£1.4M202331 December 2024: net assets £1.9M£1.9M202431 December 2025: net assets £1.4M£1.4M2025
Net assets at each year end, 2016 to 2025£0£1M31 December 2016: net assets £481K£481K'1631 December 2017: net assets £825K£825K'1731 December 2018: net assets £968K£968K'1831 December 2019: net assets £598K£598K'1931 December 2020: net assets £709K£709K'2031 December 2021: net assets £734K£734K'2131 December 2022: net assets £979K£979K'2231 December 2023: net assets £1.4M£1.4M'2331 December 2024: net assets £1.9M£1.9M'2431 December 2025: net assets £1.4M£1.4M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£1.4M£559K£2.2M£905K16
31 Dec 2024£1.9M£1.2M£2.6M£811K17
31 Dec 2023£1.4M£708K£2.3M£930K17
31 Dec 2022£979K£327K£1.5M£550K16
31 Dec 2021£734K£312K£1.2M£463K17
31 Dec 2020£709K£456K£1.2M£530K17
31 Dec 2019£598K£356K£830K£262K16
31 Dec 2018£968K£484K£1.3M£366K16
31 Dec 2017£825K£513K£1.3M£556K15
31 Dec 2016£481K£361K£1.1M£711K14

Where Thermotec (UK) Ltd is registered

Thermotec (UK) Ltd's registered office on a map of the UK

The registered office is in Eastbourne (BN21), in the Eastbourne local authority area, South East. Show BN21 4SF on a map.

Other trade companies in BN21

Also registered at this address

10 other companies use the same registered office as Thermotec (UK) Ltd.

What happens if Thermotec (UK) 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
09080287
Status
Active
Company type
Private limited company
Incorporated
10 June 2014 (12 years ago)
Registered office
53 Gildredge Road, Eastbourne, East Sussex, BN21 4SF
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
4 September 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 Eastbourne

Other active plumbing and heating companies registered in Eastbourne.

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

Frequently asked questions

When are Thermotec (UK) Ltd's accounts due?

Thermotec (UK) 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 Thermotec (UK) 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 Thermotec (UK) Ltd still trading?

Thermotec (UK) 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 Thermotec (UK) Ltd do?

Thermotec (UK) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Thermotec (UK) Ltd?

Thermotec (UK) Ltd was incorporated on 10 June 2014, 12 years ago.

What is the penalty if Thermotec (UK) 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 Thermotec (UK) 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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