1. Companies
  2. Plumbers and heating engineers
  3. Chesterfield
  4. Diamond Heating Solutions Ltd

Diamond Heating Solutions Ltd

Company number
13568751
Incorporated
16 Aug 20215 years trading
Registered office
58 Brearley Avenue, New Whittington, Chesterfield, S43 2DY
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
84 days
5 Jan 2027
Net assets
£13K▼
-14.4% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Diamond Heating Solutions Ltd is a 5-year-old private limited company registered in Chesterfield, company number 13568751, one of 115 plumbing and heating companies in Chesterfield. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.

Key dates

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

Accounts due
5 Jan 2027
in 84 days
For the period to 5 Apr 2026
CT600 due
5 Apr 2027
in 174 days
Period 6 Apr 2025 to 5 Apr 2026
Corporation tax payment
6 Jan 2027
in 85 days
9 months and 1 day after the period end
Confirmation statement
25 Sep 2027
in 347 days
Last made up to 11 Sep 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Diamond Heating Solutions Ltd

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 £1,149 (-8%) on the year before, to £13K.
  • Net assets rose in 1 of 3 year-on-year comparisons on record.
  • Current assets of £14K against £15K owed within a year: 1.0 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£5,000£10K5 April 2022: net assets £3,105£3,10520225 April 2023: net assets £2,880£2,88020235 April 2024: net assets £14K£14K20245 April 2025: net assets £13K£13K2025
Net assets at each year end, 2022 to 2025£0£5,000£10K5 April 2022: net assets £3,105£3,10520225 April 2023: net assets £2,880£2,88020235 April 2024: net assets £14K£14K20245 April 2025: net assets £13K£13K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
5 Apr 2025£13K£14K£15K1
5 Apr 2024£14K£22K£16K1
5 Apr 2023£2,880£15K£22K0
5 Apr 2022£3,105£15K£23K0

Where Diamond Heating Solutions Ltd is registered

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

The registered office is in Chesterfield (S43), in the Chesterfield local authority area, East Midlands. Show S43 2DY on a map.

Other trade companies in S43

What happens if Diamond Heating Solutions 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 5 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Jan 2027 to 5 Feb 2027£150
1 to 3 months late6 Feb 2027 to 5 Apr 2027£375
3 to 6 months late6 Apr 2027 to 5 Jul 2027£750
More than 6 months lateFrom 6 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late6 Apr 2027£200
3 months late5 Jul 2027another £200
6 months late5 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late5 Apr 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
13568751
Status
Active
Company type
Private limited company
Incorporated
16 August 2021 (5 years ago)
Registered office
58 Brearley Avenue, New Whittington, Chesterfield, S43 2DY
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
5 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
5 April 2025
Last confirmation statement
11 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 Chesterfield

Other active plumbing and heating companies registered in Chesterfield.

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

Frequently asked questions

When are Diamond Heating Solutions Ltd's accounts due?

Diamond Heating Solutions Ltd's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.

When is Diamond Heating Solutions Ltd's CT600 due?

The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.

Is Diamond Heating Solutions Ltd still trading?

Diamond Heating Solutions 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 Diamond Heating Solutions Ltd do?

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

How old is Diamond Heating Solutions Ltd?

Diamond Heating Solutions Ltd was incorporated on 16 August 2021, 5 years ago.

What is the penalty if Diamond Heating Solutions 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 Diamond Heating Solutions 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.

File accounts + CT600File now£49Let's talk