- Companies
- Plumbers and heating engineers
- Bangor
- J Alwyn Roberts Plumbing & Heating Cyf
J Alwyn Roberts Plumbing & Heating Cyf
- Company number
- 07119495
- Incorporated
- 7 Jan 201016 years trading
- Registered office
- Glaslyn Ffordd Y Parc, Parc Menai, Bangor, Gwynedd, LL57 4FE
- Nature of business
- Plumbing, heat and air-conditioning installation
J Alwyn Roberts Plumbing & Heating Cyf is a 16-year-old private limited company registered in Bangor, company number 07119495, one of 17 plumbing and heating companies in Bangor. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 J Alwyn Roberts Plumbing & Heating CyfOr 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 up £6,176 (+173.4%) on the year before, to £9,737.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £95K against £97K owed within a year: 1.0 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £9,737 | £39K | £95K | £97K | 4 |
| 31 Jan 2025 | £3,561 | £24K | £48K | £62K | 4 |
| 31 Jan 2024 | £26K | £25K | £68K | £55K | 4 |
| 31 Jan 2023 | £52K | £53K | £101K | £56K | 5 |
| 31 Jan 2022 | £54K | £51K | £146K | £101K | 6 |
| 31 Jan 2021 | £42K | £25K | £119K | £89K | 5 |
| 31 Jan 2020 | £54K | £32K | £100K | £63K | 5 |
| 31 Jan 2019 | £103K | £47K | £181K | £101K | 5 |
| 31 Jan 2018 | £74K | £59K | £159K | £94K | 5 |
| 31 Jan 2017 | £61K | £23K | £122K | £74K | 5 |
Where J Alwyn Roberts Plumbing & Heating Cyf is registered
The registered office is in Bangor (LL57), in the Gwynedd local authority area, Wales. Show LL57 4FE on a map.
Other trade companies in LL57
- Purple Plumbers LimitedPlumbers and heating engineers
- E.R.A Humphreys LimitedCivil engineering
- Morris&Owens LimitedPlasterers
- North Coast Carpentry and Construction LimitedJoiners and carpenters
- P M Williams & Son LtdBuilders
- K Gorilla Cars LtdMotor traders
- Gwynedd Scaffolding LimitedScaffolders
- J&G Building and Assembling LtdBuilders
Also registered at this address
17 other companies use the same registered office as J Alwyn Roberts Plumbing & Heating Cyf.
- Above the Brine LtdMachinery repair and installation
- Barton & Nichols LimitedMechanics and garages
- Connect Electrical Engineering LtdElectricians
- Du Construction LimitedCivil engineering
- Ecoheat Renewable Energy LtdPlumbers and heating engineers
- Eladon LimitedCivil engineering
- Grosvenor Garage (Menai Bridge) LtdMechanics and garages
- Kimberley Gulf LimitedCivil engineering
- MC&RD Williams Building Contractors LtdFinishing trades
- MDK Car & Commercial LimitedMechanics and garages
- Menai Construction LimitedCivil engineering
- Mon Mechanical Services LtdMechanics and garages
- Nexus Engineering (NW) LtdElectricians
- Ombler Williams LimitedJoiners and carpenters
- P M Williams & Son LtdBuilders
- Robert M Jones LtdPlasterers
- T T Roberts & Son LtdCivil engineering
What happens if J Alwyn Roberts Plumbing & Heating Cyf 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 07119495
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2010 (16 years ago)
- Registered office
- Glaslyn Ffordd Y Parc, Parc Menai, Bangor, Gwynedd, LL57 4FE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 7 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 Bangor
Other active plumbing and heating companies registered in Bangor.
- J H Plumbing and Renewables Ltd2025
- Keith Thomas Plumbing & Heating Limited2013
- Lewington & Templer Ltd2007
- P&L Plumbing & Heating (NI) Ltd2007
- Purple Plumbers Limited2026
- Robertson Heating Services NW Limited2024
- Rose Heating Ltd2023
- Supreme Plumbing & Heating Solutions Ltd2025
All plumbing and heating companies in Bangor · All trades in Bangor · Plumbers and heating engineers across the UK
Frequently asked questions
When are J Alwyn Roberts Plumbing & Heating Cyf's accounts due?
J Alwyn Roberts Plumbing & Heating Cyf's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is J Alwyn Roberts Plumbing & Heating Cyf's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is J Alwyn Roberts Plumbing & Heating Cyf still trading?
J Alwyn Roberts Plumbing & Heating Cyf 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 J Alwyn Roberts Plumbing & Heating Cyf do?
J Alwyn Roberts Plumbing & Heating Cyf is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J Alwyn Roberts Plumbing & Heating Cyf?
J Alwyn Roberts Plumbing & Heating Cyf was incorporated on 7 January 2010, 16 years ago.
What is the penalty if J Alwyn Roberts Plumbing & Heating Cyf 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 J Alwyn Roberts Plumbing & Heating Cyf 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.