- Companies
- Plumbers and heating engineers
- Cumbernauld
- Chalmers Plumbing & Heating Ltd
Chalmers Plumbing & Heating Ltd
- Company number
- SC811596
- Incorporated
- 24 May 20242 years trading
- Registered office
- 16C Clouden Road, Cumbernauld, Glasgow, G67 2HY
- Nature of business
- Plumbing, heat and air-conditioning installation
Chalmers Plumbing & Heating Ltd is a 2-year-old private limited company registered in Cumbernauld, company number SC811596, one of 25 plumbing and heating companies in Cumbernauld. 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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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Where Chalmers Plumbing & Heating Ltd is registered
The registered office is in Cumbernauld (G67), in the North Lanarkshire local authority area, Scotland. Show G67 2HY on a map.
Other trade companies in G67
- Primeguard Group LtdCleaning companies
- Abronhill Car Wash LtdMechanics and garages
- Outlook Doors and Windows LtdJoiners and carpenters
- Mag.Wires.Es LtdMachinery repair and installation
- J-Shyne Sparkle Service LimitedCleaning companies
- Moss Off Gutter Clean LtdRoofers
- The Gym Engineer LtdMachinery repair and installation
- Trilex Maintenance LimitedPainters and decorators
What happens if Chalmers Plumbing & 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
- SC811596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2024 (2 years ago)
- Registered office
- 16C Clouden Road, Cumbernauld, Glasgow, G67 2HY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 May 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 Cumbernauld
Other active plumbing and heating companies registered in Cumbernauld.
- CJK Plumbing & Heating Solutions Ltd2025
- Comfort Systems Plumbing & Heating Ltd2009
- Cumbernauld Bathroom, Kitchen & Tile Centre Limited2007
- DKR Plumbing and Heating Ltd2024
- Dre Installations Ltd2018
- Fabibok Ltd2025
- Fhe Ltd2021
- Gasgeeks Plumbing & Heating Ltd2022
All plumbing and heating companies in Cumbernauld · All trades in Cumbernauld · Plumbers and heating engineers across the UK
Frequently asked questions
When are Chalmers Plumbing & Heating Ltd's accounts due?
Chalmers Plumbing & 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 Chalmers Plumbing & 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 Chalmers Plumbing & Heating Ltd still trading?
Chalmers Plumbing & 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 Chalmers Plumbing & Heating Ltd do?
Chalmers Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Chalmers Plumbing & Heating Ltd?
Chalmers Plumbing & Heating Ltd was incorporated on 24 May 2024, 2 years ago.
What is the penalty if Chalmers Plumbing & 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 Chalmers Plumbing & 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.