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DT Heating Ltd

ActiveMicro-entity accountsPlumbers and heating engineersSt Helens
Company number
09765603
Incorporated
7 Sep 201511 years trading
Registered office
23 Calderhurst Drive, Windle, St Helens, Merseyside, WA10 6ED
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
259 days
29 Jun 2027
Net assets
£24▼
-98.0% on the year before
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

DT Heating Ltd is a 11-year-old private limited company registered in St Helens, company number 09765603, one of 45 plumbing and heating companies in St Helens. Its next accounts are due at Companies House on 29 June 2027, and the CT600 for the period to 29 September 2026 is due at HMRC on 29 September 2027.

Key dates

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

Accounts due
29 Jun 2027
in 259 days
For the period to 29 Sep 2026
CT600 due
29 Sep 2027
in 351 days
Period 1 Oct 2025 to 29 Sep 2026
Corporation tax payment
30 Jun 2027
in 260 days
9 months and 1 day after the period end
Confirmation statement
24 Aug 2027
in 315 days
Last made up to 10 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 £1,186 (-98%) on the year before, to £24.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £89K against £39K owed within a year: 2.3 times cover.
  • 3 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-£1,000£0£1,00030 September 2016: net assets £905£905201630 September 2017: net assets -£1,760-£1,760201730 September 2018: net assets £25£25201830 September 2019: net assets £17£17201930 September 2020: net assets £17£17202030 September 2021: net assets £17£17202130 September 2022: net assets £5£5202230 September 2023: net assets £920£920202330 September 2024: net assets £1,210£1,210202430 September 2025: net assets £24£242025
Net assets at each year end, 2016 to 2025-£1,000£0£1,00030 September 2016: net assets £905£905'1630 September 2017: net assets -£1,760-£1,760'1730 September 2018: net assets £25£25'1830 September 2019: net assets £17£17'1930 September 2020: net assets £17£17'2030 September 2021: net assets £17£17'2130 September 2022: net assets £5£5'2230 September 2023: net assets £920£920'2330 September 2024: net assets £1,210£1,210'2430 September 2025: net assets £24£24'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£24£89K£39K3
30 Sep 2024£1,210£79K£24K3
30 Sep 2023£920£54K£35K3
30 Sep 2022£5£43K£20K3
30 Sep 2021£17£36K£8,0873
30 Sep 2020£17£41K£11K3
30 Sep 2019£17£8,603£8,5863
30 Sep 2018£25£21K£21K3
30 Sep 2017-£1,760£6,456£8,216
30 Sep 2016£905£1,691£786

Where DT Heating Ltd is registered

DT Heating Ltd's registered office on a map of the UK

The registered office is in St Helens (WA10), in the St. Helens local authority area, North West. Show WA10 6ED on a map.

Other trade companies in WA10

What happens if DT 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 29 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Jun 2027 to 29 Jul 2027£150
1 to 3 months late30 Jul 2027 to 29 Sep 2027£375
3 to 6 months late30 Sep 2027 to 29 Dec 2027£750
More than 6 months lateFrom 30 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late30 Sep 2027£200
3 months late29 Dec 2027another £200
6 months late29 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 Sep 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
09765603
Status
Active
Company type
Private limited company
Incorporated
7 September 2015 (11 years ago)
Registered office
23 Calderhurst Drive, Windle, St Helens, Merseyside, WA10 6ED
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
29 September (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 September 2025
Last confirmation statement
10 August 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 St Helens

Other active plumbing and heating companies registered in St Helens.

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

Frequently asked questions

When are DT Heating Ltd's accounts due?

DT Heating Ltd's next accounts are due at Companies House by 29 June 2027 (in 259 days), covering the period to 29 September 2026.

When is DT Heating Ltd's CT600 due?

The CT600 for the period to 29 September 2026 is due at HMRC by 29 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 June 2027.

Is DT Heating Ltd still trading?

DT 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 DT Heating Ltd do?

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

How old is DT Heating Ltd?

DT Heating Ltd was incorporated on 7 September 2015, 11 years ago.

What is the penalty if DT 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 DT 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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