- Companies
- Plumbers and heating engineers
- Blackwood
- MDR Heating Services Ltd
MDR Heating Services Ltd
- Company number
- 13644793
- Incorporated
- 27 Sep 20215 years trading
- Registered office
- 19 Bryn Lane, Pontllanfraith, Blackwood, NP12 2PG
- Nature of business
- Plumbing, heat and air-conditioning installation
MDR Heating Services Ltd is a 5-year-old private limited company registered in Blackwood, company number 13644793, one of 20 plumbing and heating companies in Blackwood. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £109 (+7%) on the year before, to £1,672.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £3,329 against £250 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £1,672 | £3,329 | £250 | 1 | |
| 30 Sep 2024 | £1,563 | £2,152 | £0 | 1 | |
| 30 Sep 2023 | £2,200 | £1,581 | £0 | 1 | |
| 30 Sep 2022 | £2,090 | £3,922 | £0 | 1 |
Where MDR Heating Services Ltd is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 2PG on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
What happens if MDR Heating Services 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 13644793
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2021 (5 years ago)
- Registered office
- 19 Bryn Lane, Pontllanfraith, Blackwood, NP12 2PG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 26 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 Blackwood
Other active plumbing and heating companies registered in Blackwood.
- MSP Plumbing, Heating & Property Maintenance Ltd2010
- Murray’S Plumbing & Heating Services Ltd2026
- Powerserv Limited2005
- Pro Heat Commercial Ltd2016
- Seabreeze Airconditioning Services Ltd2018
- Sers (Solar & Renewable Technologies) Holdings Limited2011
- WT Sprinkler Division Ltd2025
- Ams Heating & Plumbing Limited2010
All plumbing and heating companies in Blackwood · All trades in Blackwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are MDR Heating Services Ltd's accounts due?
MDR Heating Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is MDR Heating Services Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is MDR Heating Services Ltd still trading?
MDR Heating Services 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 MDR Heating Services Ltd do?
MDR Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MDR Heating Services Ltd?
MDR Heating Services Ltd was incorporated on 27 September 2021, 5 years ago.
What is the penalty if MDR Heating Services 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 MDR Heating Services 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.