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  4. Cooling and Heating Technology Ltd

Cooling and Heating Technology Ltd

ActiveUnaudited abridged accountsPlumbers and heating engineersWesterham
Company number
09393388
Incorporated
16 Jan 201511 years trading
Registered office
Gordon House, 2 the Green, Westerham, Kent, TN16 1AS
Nature of business
Plumbing, heat and air-conditioning installation; Other construction installation
Accounts due in
352 days
30 Sep 2027
Net assets
£228K▲
At 31 Dec 2025
Cash at bank
£99K▲
At 31 Dec 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Cooling and Heating Technology Ltd is a 11-year-old private limited company registered in Westerham, company number 09393388, one of 41 plumbing and heating companies in Westerham. 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
15 Jan 2027
in 94 days
Last made up to 1 Jan 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 up £222K on the year before, to £228K.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • 2 employees on average, up from 0 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£100K£200K31 January 2017: net assets £1,000£1,000201731 January 2018: net assets £1,000£1,000201831 January 2019: net assets £1,000£1,000201931 December 2019: net assets £59K£59K201931 December 2020: net assets £9,557£9,557202031 December 2021: net assets £2,244£2,244202131 December 2022: net assets £19K£19K202231 December 2023: net assets £16K£16K202331 December 2024: net assets £5,597£5,597202431 December 2025: net assets £228K£228K2025
Net assets at each year end, 2017 to 2025£0£100K£200K31 January 2017: net assets £1,000£1,000'1731 January 2018: net assets £1,000£1,000'1831 January 2019: net assets £1,000£1,000'1931 December 2019: net assets £59K£59K'1931 December 2020: net assets £9,557£9,557'2031 December 2021: net assets £2,244£2,244'2131 December 2022: net assets £19K£19K'2231 December 2023: net assets £16K£16K'2331 December 2024: net assets £5,597£5,597'2431 December 2025: net assets £228K£228K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£228K£99K£158K2
31 Dec 2024£5,597£5,5970
31 Dec 2023£16K£6,037£00
31 Dec 2022£19K£409£37K£37K0
31 Dec 2021£2,244£14K£29K2
31 Dec 2020£9,557£57K£68K2
31 Dec 2019£59K£68K£14K2
31 Jan 2019£1,000£1,000£0
31 Jan 2018£1,000£1,000£0
31 Jan 2017£1,000£0£0

Where Cooling and Heating Technology Ltd is registered

Cooling and Heating Technology Ltd's registered office on a map of the UK

The registered office is in Westerham (TN16), in the Sevenoaks local authority area, South East. Show TN16 1AS on a map.

Other trade companies in TN16

Also registered at this address

1 other company uses the same registered office as Cooling and Heating Technology Ltd.

What happens if Cooling and Heating Technology 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
09393388
Status
Active
Company type
Private limited company
Incorporated
16 January 2015 (11 years ago)
Registered office
Gordon House, 2 the Green, Westerham, Kent, TN16 1AS
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Year end
31 December (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 December 2025
Last confirmation statement
1 January 2026
Previous names
Calmak Developments Ltd (until 2 Jan 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.

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Other active plumbing and heating companies registered in Westerham.

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Frequently asked questions

When are Cooling and Heating Technology Ltd's accounts due?

Cooling and Heating Technology 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 Cooling and Heating Technology 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 Cooling and Heating Technology Ltd still trading?

Cooling and Heating Technology 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 Cooling and Heating Technology Ltd do?

Cooling and Heating Technology Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).

How old is Cooling and Heating Technology Ltd?

Cooling and Heating Technology Ltd was incorporated on 16 January 2015, 11 years ago.

What is the penalty if Cooling and Heating Technology 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 Cooling and Heating Technology 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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