- Companies
- Plumbers and heating engineers
- Dumfries
- A M Plumbing Limited
A M Plumbing Limited
- Company number
- SC277813
- Incorporated
- 23 Dec 200421 years trading
- Registered office
- 23 George Street, Dumfries, DG1 1EA
- Nature of business
- Plumbing, heat and air-conditioning installation
A M Plumbing Limited is a 21-year-old private limited company registered in Dumfries, company number SC277813, one of 23 plumbing and heating companies in Dumfries. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £2,677 (+3.3%) on the year before, to £83K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £87K against £18K owed within a year: 4.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Dec 2025 | £83K | £84K | £87K | £18K | 0 |
| 31 Dec 2024 | £80K | £80K | £83K | £16K | 2 |
| 31 Dec 2023 | £68K | £75K | £84K | £32K | 1 |
| 31 Dec 2022 | £56K | £54K | £73K | £35K | 1 |
| 31 Dec 2021 | £49K | £52K | £71K | £41K | 1 |
| 31 Dec 2020 | £36K | £52K | £59K | £46K | 1 |
| 31 Dec 2019 | £35K | £39K | £45K | £35K | 1 |
| 31 Dec 2018 | £26K | £23K | £33K | £35K | |
| 31 Dec 2017 | £24K | £20K | £34K | £41K | |
| 31 Dec 2016 | £27K | £38K | £28K |
Where A M Plumbing Limited is registered
The registered office is in Dumfries (DG1), in the Dumfries and Galloway local authority area, Scotland. Show DG1 1EA on a map.
Other trade companies in DG1
- Rooftek Roofing LtdRoofers
- K&M Tyre Services LtdMechanics and garages
- Rory Porteous Plumbing & Heating LimitedPlumbers and heating engineers
- Unique Landscapes & Stonecraft LimitedSpecialist contractors
- Eml Garage Car Sales LtdMotor traders
- Dca Contracting LimitedSpecialist contractors
- Dbdoorsandfloors LimitedJoiners and carpenters
- Ingram Electrical & Property Services LtdMachinery repair and installation
Also registered at this address
13 other companies use the same registered office as A M Plumbing Limited.
- Carson Landscapes LimitedLandscapers and gardeners
- Carsons Tree Surgery LimitedLandscapers and gardeners
- Donnan Construction LimitedCivil engineering
- Fortnum & Woolley LimitedBuilders
- Huntingdon Garage LimitedMotor traders
- KD Muirhead LimitedPlumbers and heating engineers
- McKeown Groundworks LimitedGroundworks and demolition
- Milroy Heating LtdPlumbers and heating engineers
- Nith Valley Construction LimitedGroundworks and demolition
- Ringford Vehicle Services LtdMechanics and garages
- Sia Steel Erection & Cladding LtdBuilders
- Southern Tractors LimitedMachinery repair and installation
- W. Johnstone & Sons LimitedPlumbers and heating engineers
What happens if A M Plumbing 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- SC277813
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2004 (21 years ago)
- Registered office
- 23 George Street, Dumfries, DG1 1EA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 23 December 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 Dumfries
Other active plumbing and heating companies registered in Dumfries.
- Alan Kirk Plumbing & Heating Ltd2016
- Andy Thom Plumbing & Heating Limited2018
- Asd Gas Services Ltd2023
- Cool & Easy Ltd2015
- Cool & Easy Renewables Limited2022
- Copper Ball Plumbing Services Limited2017
- Dalziel Plumbing & Heating Limited2018
- Donald C. McRobert & Son Limited2004
All plumbing and heating companies in Dumfries · All trades in Dumfries · Plumbers and heating engineers across the UK
Frequently asked questions
When are A M Plumbing Limited's accounts due?
A M Plumbing Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is A M Plumbing Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is A M Plumbing Limited still trading?
A M Plumbing 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 A M Plumbing Limited do?
A M Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A M Plumbing Limited?
A M Plumbing Limited was incorporated on 23 December 2004, 21 years ago.
What is the penalty if A M Plumbing 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 A M Plumbing 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.