- Companies
- Plumbers and heating engineers
- Cardiff
- Quartz Plumbing and Heating Ltd
Quartz Plumbing and Heating Ltd
- Company number
- 14110471
- Incorporated
- 16 May 20224 years trading
- Registered office
- The Gate Business Centre, Keppoch Street, Cardiff, CF24 3JW
- Nature of business
- Plumbing, heat and air-conditioning installation
Quartz Plumbing and Heating Ltd is a 4-year-old private limited company registered in Cardiff, company number 14110471, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £517 (+14.3%) on the year before, to £4,127.
- Current assets of £1,365 against £691 owed within a year: 2.0 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £4,127 | £1,017 | £1,365 | £691 | 2 |
| 31 May 2024 | £3,610 | £225 | £573 | £2,014 | 1 |
| 31 May 2023 | £2,358 | £2,067 | £2,415 | £616 | 1 |
Where Quartz Plumbing and Heating Ltd is registered
The registered office is in Cardiff (CF24), in the Cardiff local authority area, Wales. Show CF24 3JW on a map.
Other trade companies in CF24
- New Capital Tyres LtdMotor traders
- Beza Home Climate LtdPlumbers and heating engineers
- Jafa Construction LtdBuilders
- A R Lawn Care & Garden Services LtdLandscapers and gardeners
- RK Asset & Trading Co LtdMotor traders
- ZCC Garage LtdMechanics and garages
- Szot LtdPlasterers
- Oceanway Tyres LtdMechanics and garages
What happens if Quartz Plumbing and 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2028 | another 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
- 14110471
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 May 2022 (4 years ago)
- Registered office
- The Gate Business Centre, Keppoch Street, Cardiff, CF24 3JW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 15 May 2026
- Previous names
- Awnoor Plumbing and Heating Ltd (until 3 Oct 2024)
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 Cardiff
Other active plumbing and heating companies registered in Cardiff.
- R Thomas Plumbing and Heating Ltd2012
- R.S. Gascare Ltd2013
- Rads and Taps Ltd2018
- Raes Mechanical Ltd2025
- Raeye Emergency Plumbing Ltd2025
- Raven Plumbing & Heating Limited2022
- RB Plumb and Heat Ltd2024
- Redbrick Heating & Plumbing Ltd2024
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Quartz Plumbing and Heating Ltd's accounts due?
Quartz Plumbing and Heating Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Quartz Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Quartz Plumbing and Heating Ltd still trading?
Quartz Plumbing and 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 Quartz Plumbing and Heating Ltd do?
Quartz Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Quartz Plumbing and Heating Ltd?
Quartz Plumbing and Heating Ltd was incorporated on 16 May 2022, 4 years ago.
What is the penalty if Quartz Plumbing and 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 Quartz Plumbing and Heating Ltd on Companies House for filed documents, officers and the full history.
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.