- Companies
- Plumbers and heating engineers
- East Kilbride
- D Marriott Plumbing & Heating Limited
D Marriott Plumbing & Heating Limited
- Company number
- SC375854
- Incorporated
- 29 Mar 201016 years trading
- Registered office
- 19 Roxburgh Park, East Kilbride, Glasgow, G74 1NP
- Nature of business
- Plumbing, heat and air-conditioning installation
D Marriott Plumbing & Heating Limited is a 16-year-old private limited company registered in East Kilbride, company number SC375854, one of 45 plumbing and heating companies in East Kilbride. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £79K (+12.5%) on the year before, to £712K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £798K against £179K owed within a year: 4.4 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £712K | £650K | £798K | £179K | 10 |
| 31 Mar 2025 | £633K | £496K | £665K | £130K | 10 |
| 31 Mar 2024 | £588K | £476K | £632K | £146K | 10 |
| 31 Mar 2023 | £547K | £439K | £576K | £130K | 8 |
| 31 Mar 2022 | £516K | £467K | £564K | £137K | 8 |
| 31 Mar 2021 | £462K | £457K | £528K | £98K | 8 |
| 31 Mar 2020 | £399K | £369K | £496K | £111K | 13 |
| 31 Mar 2019 | £343K | £306K | £398K | £81K | 13 |
| 31 Mar 2018 | £361K | £307K | £477K | £134K | 13 |
| 31 Mar 2017 | £288K | £311K | £447K | £180K | 8 |
Where D Marriott Plumbing & Heating Limited is registered
The registered office is in East Kilbride (G74), in the South Lanarkshire local authority area, Scotland. Show G74 1NP on a map.
Other trade companies in G74
- Quila Motors LtdMechanics and garages
- Monarch Facilities Management LtdFacilities management
- Coulters Auto Care LtdMechanics and garages
- Gac Air Conditioning & Refrigeration LtdPlumbers and heating engineers
- Torr Contracts LtdJoiners and carpenters
- Connor Dickson Mechanical Fitting LtdInstallers
- Orbital Mechanical LtdPlumbers and heating engineers
- SWB Motors LtdMotor traders
What happens if D Marriott Plumbing & Heating Limited 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- SC375854
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2010 (16 years ago)
- Registered office
- 19 Roxburgh Park, East Kilbride, Glasgow, G74 1NP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 29 March 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 East Kilbride
Other active plumbing and heating companies registered in East Kilbride.
- Donald Bathroom Solutions Ltd2026
- Eco Therm Scotland Ltd2025
- Energy Pig Limited2017
- Gas King Glasgow Ltd2025
- Glenveagh Heating Limited2020
- Green Bros Heating Ltd2026
- Hannah Plumbing & Heating Limited2015
- Ian Scannell Building Services Limited1995
All plumbing and heating companies in East Kilbride · All trades in East Kilbride · Plumbers and heating engineers across the UK
Frequently asked questions
When are D Marriott Plumbing & Heating Limited's accounts due?
D Marriott Plumbing & Heating Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is D Marriott Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is D Marriott Plumbing & Heating Limited still trading?
D Marriott Plumbing & Heating Limited 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 D Marriott Plumbing & Heating Limited do?
D Marriott Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is D Marriott Plumbing & Heating Limited?
D Marriott Plumbing & Heating Limited was incorporated on 29 March 2010, 16 years ago.
What is the penalty if D Marriott Plumbing & Heating Limited 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 D Marriott Plumbing & Heating Limited 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.