- Companies
- Plumbers and heating engineers
- Tredegar
- Celtic Heating & Plumbing Limited
Celtic Heating & Plumbing Limited
- Company number
- 08487058
- Incorporated
- 12 Apr 201313 years trading
- Registered office
- Unit 2E the Lawns Industrial Estate, Rhymney, Tredegar, NP22 5QB
- Nature of business
- Plumbing, heat and air-conditioning installation
Celtic Heating & Plumbing Limited is a 13-year-old private limited company registered in Tredegar, company number 08487058, one of 12 plumbing and heating companies in Tredegar. 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 £12K (+421.7%) on the year before, to £14K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £3,164 against £954 owed within a year: 3.3 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 Mar 2025 | £14K | £3,164 | £954 | 0 | |
| 31 Mar 2024 | £2,762 | £2,723 | £3,674 | 2 | |
| 31 Mar 2023 | £2,957 | £5,558 | £4,441 | 2 | |
| 31 Mar 2022 | £218 | £9,184 | £3,317 | 2 | |
| 31 Mar 2021 | £129 | £6,409 | £2,720 | 2 | |
| 31 Mar 2020 | £183 | £5,038 | £5,055 | 2 | |
| 31 Mar 2019 | £1,144 | £1,750 | £4,379 | ||
| 31 Mar 2018 | £430 | £4,473 | £4,501 | ||
| 31 Mar 2017 | £1,744 | £7,583 | £4,402 | ||
| 31 Mar 2016 | £1,130 | £6,466 | £2,473 |
Where Celtic Heating & Plumbing Limited is registered
The registered office is in Tredegar (NP22), in the Caerphilly local authority area, Wales. Show NP22 5QB on a map.
Other trade companies in NP22
- Apt Site Services LtdCleaning companies
- Acr Property Maintenance LtdPainters and decorators
- Bobsdrywall LtdFinishing trades
- Solar Smart LimitedElectricians
- Parade Standard LtdCleaning companies
- Basement Waterproofing Supplies LtdSpecialist contractors
- RB Style Glazing LtdGlaziers
- Harrico Capital Investments LtdProperty developers
What happens if Celtic 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
- 08487058
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 April 2013 (13 years ago)
- Registered office
- Unit 2E the Lawns Industrial Estate, Rhymney, Tredegar, NP22 5QB
- 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
- 30 April 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 Tredegar
Other active plumbing and heating companies registered in Tredegar.
- Climapro Air Conditioning Ltd2026
- Gastoairheating Ltd2021
- Greenlands Heating Ltd2014
- Heatlink Limited2014
- JF Plumbing & Heating (South Wales) Ltd2024
- MSW Carbon Solutions Limited2013
- NRG Heating & Plumbing Services Limited2012
- React Renewable Limited2025
All plumbing and heating companies in Tredegar · All trades in Tredegar · Plumbers and heating engineers across the UK
Frequently asked questions
When are Celtic Heating & Plumbing Limited's accounts due?
Celtic 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 Celtic 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 Celtic Heating & Plumbing Limited still trading?
Celtic 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 Celtic Heating & Plumbing Limited do?
Celtic Heating & Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Celtic Heating & Plumbing Limited?
Celtic Heating & Plumbing Limited was incorporated on 12 April 2013, 13 years ago.
What is the penalty if Celtic 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 Celtic 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.