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Kingston Thermal Limited

ActiveTotal exemption (full) accountsInstallersHull
Company number
04501859
Incorporated
2 Aug 200224 years trading
Registered office
Unit 2, Hermosa House Freightliner Road, Brighton Street Industrial Estate, Hull, HU3 4UW
Nature of business
Other construction installation
Accounts due in
169 days
31 Mar 2027
Net assets
£189K▼
-7.9% on the year before
Cash at bank
£69K▲
At 30 Jun 2025
Employees
10
Average during the year
From the Companies House register, 1 Oct 2026

Kingston Thermal Limited is a 24-year-old private limited company registered in Hull, company number 04501859, one of 103 installation companies (insulation, lifts, shutters and similar) in Hull. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 169 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 260 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 170 days
9 months and 1 day after the period end
Confirmation statement
16 Aug 2027
in 307 days
Last made up to 2 Aug 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 £16K (-7.9%) on the year before, to £189K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £248K against £116K owed within a year: 2.1 times cover.
  • 10 employees 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£100K£200K30 June 2016: net assets £123K£123K201630 June 2017: net assets £116K£116K201730 June 2018: net assets £150K£150K201830 June 2019: net assets £124K£124K201930 June 2020: net assets £49K£49K202030 June 2021: net assets £45K£45K202130 June 2022: net assets £98K£98K202230 June 2023: net assets £166K£166K202330 June 2024: net assets £205K£205K202430 June 2025: net assets £189K£189K2025
Net assets at each year end, 2016 to 2025£0£100K£200K30 June 2016: net assets £123K£123K'1630 June 2017: net assets £116K£116K'1730 June 2018: net assets £150K£150K'1830 June 2019: net assets £124K£124K'1930 June 2020: net assets £49K£49K'2030 June 2021: net assets £45K£45K'2130 June 2022: net assets £98K£98K'2230 June 2023: net assets £166K£166K'2330 June 2024: net assets £205K£205K'2430 June 2025: net assets £189K£189K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£189K£69K£248K£116K10
30 Jun 2024£205K£65K£309K£166K10
30 Jun 2023£166K£32K£277K£175K9
30 Jun 2022£98K£66K£246K£205K10
30 Jun 2021£45K£19K£183K£170K13
30 Jun 2020£49K£48K£223K£135K12
30 Jun 2019£124K£31K£247K£149K13
30 Jun 2018£150K£57K£336K£204K13
30 Jun 2017£116K£63K£262K£179K14
30 Jun 2016£123K£33K£268K£179K17

Where Kingston Thermal Limited is registered

Kingston Thermal Limited's registered office on a map of the UK

The registered office is in Hull (HU3), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU3 4UW on a map.

Other trade companies in HU3

What happens if Kingston Thermal 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 31 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
04501859
Status
Active
Company type
Private limited company
Incorporated
2 August 2002 (24 years ago)
Registered office
Unit 2, Hermosa House Freightliner Road, Brighton Street Industrial Estate, Hull, HU3 4UW
Nature of business
Other construction installation (SIC 43290)
Year end
30 June (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 June 2025
Last confirmation statement
2 August 2026
Charges (mortgages)
1 outstanding of 2 registered
Previous names
Alberti Insulation Limited (until 30 Dec 2014)

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

Similar companies in Hull

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Frequently asked questions

When are Kingston Thermal Limited's accounts due?

Kingston Thermal Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.

When is Kingston Thermal Limited's CT600 due?

The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.

Is Kingston Thermal Limited still trading?

Kingston Thermal 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 Kingston Thermal Limited do?

Kingston Thermal Limited is registered under Other construction installation (SIC 43290).

How old is Kingston Thermal Limited?

Kingston Thermal Limited was incorporated on 2 August 2002, 24 years ago.

What is the penalty if Kingston Thermal 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 Kingston Thermal 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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