- Companies
- Plumbers and heating engineers
- Penrith
- Austin Kelso & Sons Limited
Austin Kelso & Sons Limited
- Company number
- 06485597
- Incorporated
- 28 Jan 200818 years trading
- Registered office
- Brownrigg Farm, Penruddock, Penrith, Cumbria, CA11 0SB
- Nature of business
- Plumbing, heat and air-conditioning installation
Austin Kelso & Sons Limited is a 18-year-old private limited company registered in Penrith, company number 06485597, one of 16 plumbing and heating companies in Penrith. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £29K (-13.8%) on the year before, to £177K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £184K against £45K owed within a year: 4.1 times cover.
- 3 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 May 2025 | £177K | £184K | £45K | 3 | |
| 31 May 2024 | £206K | £194K | £35K | 3 | |
| 31 May 2023 | £158K | £174K | £74K | 5 | |
| 31 May 2022 | £162K | £272K | £184K | 5 | |
| 31 May 2021 | £135K | £167K | £109K | 5 | |
| 31 May 2020 | £97K | £209K | £155K | 5 | |
| 31 May 2019 | £121K | £337K | £278K | ||
| 31 May 2018 | £122K | £410K | £332K | ||
| 31 May 2017 | £102K | £374K | £299K | ||
| 31 May 2016 | £85K | £323K | £430K |
Where Austin Kelso & Sons Limited is registered
The registered office is in Penrith (CA11), in the Westmorland and Furness local authority area, North West. Show CA11 0SB on a map.
Other trade companies in CA11
- Pedro Installations LtdJoiners and carpenters
- Sewell Lifting Services LtdSpecialist contractors
- Signature Linen and Laundry LtdCleaning companies
- DB Fencing Penrith LimitedInstallers
- K2 Property Services (Northwest) LtdProperty developers
- Carleton Hill Developments LimitedProperty developers
- Solfit Solutions LtdSpecialist contractors
- Solfit Systems LtdSpecialist contractors
What happens if Austin Kelso & Sons 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 06485597
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2008 (18 years ago)
- Registered office
- Brownrigg Farm, Penruddock, Penrith, Cumbria, CA11 0SB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 15 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 Penrith
Other active plumbing and heating companies registered in Penrith.
- Dave Brady Gas & Oil Services Limited2018
- Eden Plumbing Services Limited2008
- Greenfields Heat and Power Ltd2009
- Harry Fixit Ltd2026
- HVH Gas Ltd2023
- Jab Plumbing & Heating Cumbria Ltd2016
- K.Feller Plumbing & Heating Limited2025
- Mike Hare Joinery & Maintenance Limited2013
All plumbing and heating companies in Penrith · All trades in Penrith · Plumbers and heating engineers across the UK
Frequently asked questions
When are Austin Kelso & Sons Limited's accounts due?
Austin Kelso & Sons Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Austin Kelso & Sons Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Austin Kelso & Sons Limited still trading?
Austin Kelso & Sons 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 Austin Kelso & Sons Limited do?
Austin Kelso & Sons Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Austin Kelso & Sons Limited?
Austin Kelso & Sons Limited was incorporated on 28 January 2008, 18 years ago.
What is the penalty if Austin Kelso & Sons 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 Austin Kelso & Sons 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.