- Companies
- Plumbers and heating engineers
- Swansea
- Martyn Edwards Plumbing Ltd
Martyn Edwards Plumbing Ltd
- Company number
- 14103224
- Incorporated
- 12 May 20224 years trading
- Registered office
- 35 Hen Parc Avenue, Upper Killay, Swansea, SA2 7HA
- Nature of business
- Plumbing, heat and air-conditioning installation
Martyn Edwards Plumbing Ltd is a 4-year-old private limited company registered in Swansea, company number 14103224, one of 148 plumbing and heating companies in Swansea. 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 down £12K (-360.5%) on the year before, to -£15K.
- 1 employee on average during the year.
- 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 | -£15K | £604 | £21K | 1 | |
| 31 May 2024 | -£3,240 | £4,486 | £15K | 1 | |
| 31 May 2023 | £11 | £9,189 | 1 |
Where Martyn Edwards Plumbing Ltd is registered
The registered office is in Swansea (SA2), in the Swansea local authority area, Wales. Show SA2 7HA on a map.
Other trade companies in SA2
- Living Landscapes Commercial LtdLandscapers and gardeners
- DC Plumbing & Construction LtdBuilders
- Ginger Property Services LimitedProperty developers
- Smart Space Living LtdJoiners and carpenters
- Paul Vernon HV Sap LimitedCivil engineering
- L.H Hiab & Recovery LimitedMechanics and garages
- Lewis Tarmac LtdCivil engineering
- Tolzini Cleaning Services LtdCleaning companies
Also registered at this address
4 other companies use the same registered office as Martyn Edwards Plumbing Ltd.
- Ascus Screeding LtdFloor and wall tilers
- East Midlands Underfloor Heating Store LtdInstallers
- G.Evans & C.James Landscapes & Building LimitedProperty developers
- Llandewi Group LimitedProperty developers
What happens if Martyn Edwards Plumbing 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
- 14103224
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2022 (4 years ago)
- Registered office
- 35 Hen Parc Avenue, Upper Killay, Swansea, SA2 7HA
- 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
- 11 May 2025
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 Swansea
Other active plumbing and heating companies registered in Swansea.
- Mdell Installations Ltd2026
- Michael Baker Boiler Maintenance Limited2005
- MKLW Group Ltd2023
- Morstone Plumbing & Heating Ltd2026
- Mumbles Gas Services Ltd2015
- N.A.D Plumbing Limited2015
- Nexosters Ltd2026
- Next Gen Heating Ltd2025
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are Martyn Edwards Plumbing Ltd's accounts due?
Martyn Edwards Plumbing 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 Martyn Edwards Plumbing 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 Martyn Edwards Plumbing Ltd still trading?
Martyn Edwards Plumbing Ltd is listed as active on the Companies House register (checked 13 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 Martyn Edwards Plumbing Ltd do?
Martyn Edwards Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Martyn Edwards Plumbing Ltd?
Martyn Edwards Plumbing Ltd was incorporated on 12 May 2022, 4 years ago.
What is the penalty if Martyn Edwards Plumbing 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 Martyn Edwards Plumbing Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.