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  4. Quadrant Heating & Plumbing Ltd

Quadrant Heating & Plumbing Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersHigh Wycombe
Company number
15032009
Incorporated
27 Jul 20233 years trading
Registered office
10 the Quadrant, High Wycombe, HP13 6TU
Nature of business
Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Accounts due in
199 days
30 Apr 2027
Net assets
£24K▲
At 31 Jul 2025
Cash at bank
£33K▲
At 31 Jul 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Quadrant Heating & Plumbing Ltd is a 3-year-old private limited company registered in High Wycombe, company number 15032009, one of 120 plumbing and heating companies in High Wycombe. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 199 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 291 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 200 days
9 months and 1 day after the period end
Confirmation statement
14 May 2027
in 213 days
Last made up to 30 Apr 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 £23K on the year before, to £24K.
  • Current assets of £33K against £9,381 owed within a year: 3.6 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 2 years, 2024 to 2025.

Net assets by year

Net assets at each year end, 2024 to 2025£0£10K£20K31 July 2024: net assets £1,480£1,480202431 July 2025: net assets £24K£24K2025
Net assets at each year end, 2024 to 2025£0£10K£20K31 July 2024: net assets £1,480£1,480202431 July 2025: net assets £24K£24K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025£24K£33K£33K£9,3812
31 Jul 2024£1,480£9,895£9,895£8,4152

Where Quadrant Heating & Plumbing Ltd is registered

Quadrant Heating & Plumbing Ltd's registered office on a map of the UK

The registered office is in High Wycombe (HP13), in the Buckinghamshire local authority area, South East. Show HP13 6TU on a map.

Other trade companies in HP13

Also registered at this address

2 other companies use the same registered office as Quadrant Heating & Plumbing Ltd.

What happens if Quadrant Heating & Plumbing 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 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2027 to 31 May 2027£150
1 to 3 months late1 Jun 2027 to 31 Jul 2027£375
3 to 6 months late1 Aug 2027 to 31 Oct 2027£750
More than 6 months lateFrom 1 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
15032009
Status
Active
Company type
Private limited company
Incorporated
27 July 2023 (3 years ago)
Registered office
10 the Quadrant, High Wycombe, HP13 6TU
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 July (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 July 2025
Last confirmation statement
30 April 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 High Wycombe

Other active plumbing and heating companies registered in High Wycombe.

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Frequently asked questions

When are Quadrant Heating & Plumbing Ltd's accounts due?

Quadrant Heating & Plumbing Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.

When is Quadrant Heating & Plumbing Ltd's CT600 due?

The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.

Is Quadrant Heating & Plumbing Ltd still trading?

Quadrant Heating & Plumbing 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 Quadrant Heating & Plumbing Ltd do?

Quadrant Heating & Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).

How old is Quadrant Heating & Plumbing Ltd?

Quadrant Heating & Plumbing Ltd was incorporated on 27 July 2023, 3 years ago.

What is the penalty if Quadrant Heating & Plumbing 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 Quadrant Heating & Plumbing 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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