- Companies
- Plumbers and heating engineers
- Bangor
- Keith Thomas Plumbing & Heating Limited
Keith Thomas Plumbing & Heating Limited
- Company number
- 08449585
- Incorporated
- 18 Mar 201313 years trading
- Registered office
- Bangor Business Centre, 2 Farrar Road, Bangor, Gwynedd, LL57 1LJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Keith Thomas Plumbing & Heating Limited is a 13-year-old private limited company registered in Bangor, company number 08449585, one of 17 plumbing and heating companies in Bangor. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £8,315 (-9.5%) on the year before, to £79K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £99K against £33K owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £79K | £99K | £33K | 1 | |
| 30 Apr 2024 | £88K | £108K | £34K | 1 | |
| 30 Apr 2023 | £90K | £111K | £35K | 1 | |
| 30 Apr 2022 | £93K | £124K | £45K | 1 | |
| 30 Apr 2021 | £103K | £146K | £53K | 1 | |
| 30 Apr 2020 | £101K | £137K | £45K | 1 | |
| 30 Apr 2019 | £99K | £149K | £62K | 1 | |
| 30 Apr 2018 | £91K | £161K | £85K | 2 | |
| 30 Apr 2017 | £70K | £138K | £91K | 2 |
Where Keith Thomas Plumbing & Heating Limited is registered
The registered office is in Bangor (LL57), in the Gwynedd local authority area, Wales. Show LL57 1LJ 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
12 other companies use the same registered office as Keith Thomas Plumbing & Heating Limited.
- Coastline Electrical LtdElectricians
- Criska LimitedPlasterers
- Davies & Jones Builders LtdProperty developers
- DRC Utilities LimitedSpecialist contractors
- G & C Roberts & Son (N.Wales) LimitedCivil engineering
- Glas (Project Management and Construction) LimitedBuilders
- Harvey Homes of Distinction LimitedProperty developers
- Lawton Facilities Ltd.Finishing trades
- London Garage LimitedMechanics and garages
- Professional Fabrication Services LtdSpecialist contractors
- Rowlinson Sharp LimitedMechanics and garages
- Wilbro LimitedMotor traders
What happens if Keith Thomas Plumbing & Heating 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 08449585
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2013 (13 years ago)
- Registered office
- Bangor Business Centre, 2 Farrar Road, Bangor, Gwynedd, LL57 1LJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 18 March 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.
- 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
- Apcr Limited2018
- Asking Solutions Limited2021
All plumbing and heating companies in Bangor · All trades in Bangor · Plumbers and heating engineers across the UK
Frequently asked questions
When are Keith Thomas Plumbing & Heating Limited's accounts due?
Keith Thomas Plumbing & Heating Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Keith Thomas Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Keith Thomas Plumbing & Heating Limited still trading?
Keith Thomas Plumbing & Heating 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 Keith Thomas Plumbing & Heating Limited do?
Keith Thomas Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Keith Thomas Plumbing & Heating Limited?
Keith Thomas Plumbing & Heating Limited was incorporated on 18 March 2013, 13 years ago.
What is the penalty if Keith Thomas Plumbing & Heating 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 Keith Thomas Plumbing & Heating 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.