- Companies
- Machinery repair and installation
- Swansea
- MDC Heating Services Ltd
MDC Heating Services Ltd
- Company number
- 04843780
- Incorporated
- 24 Jul 200323 years trading
- Registered office
- 84 Ael Y Bryn Road, Fforestfach, Swansea, SA5 8JB
- Nature of business
- Repair of other equipment; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.; Technical testing and analysis
MDC Heating Services Ltd is a 23-year-old private limited company registered in Swansea, company number 04843780, one of 98 machinery repair and installation companies in Swansea. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for MDC Heating Services LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 down £204 (-1.1%) on the year before, to -£19K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £603 against £21K owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£19K | £603 | £603 | £21K | 1 |
| 31 Jul 2024 | -£19K | £3,298 | £3,298 | £24K | 1 |
| 31 Jul 2023 | -£15K | £6,798 | £6,804 | £25K | 1 |
| 31 Jul 2022 | -£13K | £7,798 | £8,050 | £25K | 1 |
| 31 Jul 2021 | -£9,621 | £7,705 | £8,171 | £23K | 1 |
| 31 Jul 2020 | -£4,355 | £18K | £28K | 2 | |
| 31 Jul 2019 | -£17K | £3,683 | £25K | 2 | |
| 31 Jul 2018 | -£13K | £4,039 | £22K | ||
| 31 Jul 2017 | -£6,935 | £5,718 | £18K | ||
| 31 Jul 2016 | £20 | £3,927 | £24K |
Where MDC Heating Services Ltd is registered
The registered office is in Swansea (SA5), in the Swansea local authority area, Wales. Show SA5 8JB on a map.
Other trade companies in SA5
- Lee.T73 Rail LtdCivil engineering
- LJ Cleaning Swansea LimitedCleaning companies
- Same Day Roof Repairs Swansea LtdRoofers
- Warlow&Co LimitedProperty developers
- RNJ Vehicle Repairs LtdMechanics and garages
- Erj's Recovery and Transportation LtdMotor traders
- Brandrick Group LimitedElectricians
- Chris Chambers Holdings LimitedElectricians
What happens if MDC 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 04843780
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2003 (23 years ago)
- Registered office
- 84 Ael Y Bryn Road, Fforestfach, Swansea, SA5 8JB
- Nature of business
- Repair of other equipment (SIC 33190)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Technical testing and analysis (SIC 71200) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 24 July 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Swansea
Other active machinery repair and installation companies registered in Swansea.
- Mech Rail SW Ltd2022
- Merge Ab UK Ltd2025
- MLB Jointing Ltd2024
- Mobile Buddy Limited2012
- MT Lift Services Ltd2024
- Neta Technical Ltd2020
- Ocean Electrical and Property Services Ltd2020
- Orac Limited2001
All machinery repair and installation companies in Swansea · All trades in Swansea · Machinery repair and installation across the UK
Frequently asked questions
When are MDC Heating Services Ltd's accounts due?
MDC Heating Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is MDC Heating Services 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 MDC Heating Services Ltd still trading?
MDC 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 MDC Heating Services Ltd do?
MDC Heating Services Ltd is registered under Repair of other equipment (SIC 33190); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999); Technical testing and analysis (SIC 71200).
How old is MDC Heating Services Ltd?
MDC Heating Services Ltd was incorporated on 24 July 2003, 23 years ago.
What is the penalty if MDC 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 MDC 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.