- Companies
- Plumbers and heating engineers
- Blackwood
- Ams Heating & Plumbing Limited
Ams Heating & Plumbing Limited
- Company number
- 07334310
- Incorporated
- 3 Aug 201016 years trading
- Registered office
- Unit 30 Woodfieldside Business Park, Penmaen Road, Pontllanfraith, Blackwood, Gwent, NP12 2DG
- Nature of business
- Plumbing, heat and air-conditioning installation
Ams Heating & Plumbing Limited is a 16-year-old private limited company registered in Blackwood, company number 07334310, one of 20 plumbing and heating companies in Blackwood. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £39K (+8.4%) on the year before, to £510K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £784K owed within a year: 1.5 times cover.
- 21 employees 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 Mar 2025 | £510K | £672K | £1.2M | £784K | 21 |
| 31 Mar 2024 | £471K | £997K | £1.5M | £1.1M | 21 |
| 31 Mar 2023 | £129K | £134K | £692K | £532K | 17 |
| 31 Mar 2022 | £21K | £83K | £457K | £365K | 19 |
| 31 Mar 2021 | £22K | £87K | £365K | £242K | 16 |
| 31 Mar 2020 | £4,994 | £61K | £350K | £329K | 14 |
| 31 Mar 2019 | £4,926 | £7,991 | £322K | £254K | 15 |
| 31 Mar 2018 | £24K | £2,842 | £281K | £293K | 15 |
| 31 Mar 2017 | £1,100 | £29K | £210K | £246K | |
| 31 Mar 2016 | £18K | £37K | £211K |
Public contracts won
Ams Heating & Plumbing Limited has 2 public sector contract awards on record; the ones with their own published value total £207K, from 2025 to 2026. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Blaenau Gwent County Borough Council1 award
- Caerphilly County Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Blaenau Gwent County Borough Council | Replacement Boiler at Ystruth Primary School, Blaina | £162K | 17 Jul 2026 |
| Caerphilly County Borough Council | Award of 5452 - Trinant Primary School - Boiler Replacement | £45K | 17 Oct 2025 |
Where Ams Heating & Plumbing Limited is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 2DG 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 Ams Heating & 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07334310
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2010 (16 years ago)
- Registered office
- Unit 30 Woodfieldside Business Park, Penmaen Road, Pontllanfraith, Blackwood, Gwent, NP12 2DG
- 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 2025
- Last confirmation statement
- 5 January 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.
- Bezt Heat Ltd2018
- Broadway Agencies Limited2002
- CŴL Tech Cyf.2025
- Duggan Plumbing Services Limited2020
- Elite Plumbing South Wales Limited2026
- Evans Vent Systems Ltd2015
- Glenn Willis Ltd2005
- Heatsafe Limited2026
All plumbing and heating companies in Blackwood · All trades in Blackwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ams Heating & Plumbing Limited's accounts due?
Ams Heating & Plumbing Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Ams Heating & Plumbing Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Ams Heating & Plumbing Limited still trading?
Ams Heating & 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 Ams Heating & Plumbing Limited do?
Ams Heating & Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ams Heating & Plumbing Limited?
Ams Heating & Plumbing Limited was incorporated on 3 August 2010, 16 years ago.
Has Ams Heating & Plumbing Limited won public sector contracts?
Yes. Ams Heating & Plumbing Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £207K), most recently from Blaenau Gwent County Borough Council.
What is the penalty if Ams Heating & 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 Ams Heating & 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.