- Companies
- Plumbers and heating engineers
- Lancaster
- J.A. Mount Limited
Company profile · Plumbers and heating engineers
J.A. Mount Limited
J.A. Mount Limited is a 23-year-old private limited company registered in Lancaster, company number 04834637, one of 49 plumbing and heating companies in Lancaster. Its next accounts are due at Companies House on 30 June 2027, and its first CT600 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
J.A. Mount Limited over the years
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 £4,218 (-50%) on the year before, to £4,219.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £3,958 against £10K owed within a year: 0.4 times cover.
- 2 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 | £4,219 | £3,958 | £10K | 2 | |
| 31 Mar 2024 | £8,437 | £3,652 | £8,385 | 2 | |
| 31 Mar 2023 | £11K | £3,807 | £9,032 | 2 | |
| 31 Mar 2022 | £5,806 | £1,782 | £16K | 2 | |
| 31 Mar 2021 | £7,209 | £9,388 | £24K | 2 | |
| 31 Mar 2020 | £9,243 | £4,800 | £19K | 2 | |
| 31 Mar 2019 | £16K | £9,538 | £17K | ||
| 31 Mar 2018 | £9,708 | £13K | £15K | ||
| 31 Mar 2017 | £10K | £8,193 | £18K | £19K | |
| 31 Mar 2016 | £7,072 | £4,486 | £16K | £22K |
Who runs and owns J.A. Mount Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Jul 2003 |
| S*** M*** | Secretary | Aug 2007 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** F*** | Secretary | Jul 2003 | Aug 2007 |
| Swift Incorporations Limited | Corporate Nominee Secretary | Jul 2003 | Jul 2003 |
| Instant Companies Limited | Nominee director (company) | Jul 2003 | Jul 2003 |
People with significant control (2)
Where J.A. Mount Limited is registered
The registered office is in Lancaster (LA2), in the Lancaster local authority area, North West. Show LA2 6FG on a map.
Other trade companies in LA2
- TJM Residential Projects LtdBuilders
- Works HQ Property Services LimitedBuilders
- RG Tile & Stone LimitedFloor and wall tilers
- Poppy Properties NW LtdSpecialist contractors
- Diaotec LimitedMechanics and garages
- Willshire Enterprises LimitedRepair services
- Peak Performance Rooftop Maintenance LtdRoofers
- Junction 33 LimitedMotor traders
What happens if J.A. Mount 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 04834637
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2003 (23 years ago)
- Registered office
- 24 Forest Heights, Halton, Lancaster, Lancashire, LA2 6FG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 July 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 Lancaster
Other active plumbing and heating companies registered in Lancaster.
- Jordan Contracting Limited2021
- Lamb's Plumbing and Heating Ltd2023
- Lancaster Bathrooms Limited2020
- Liam Roskell Heating Services Ltd2021
- M G Griggs Plumbing and Heating Limited2009
- M Lodge Heating & Plumbing Services Limited2006
- Mark Cottam Limited2002
- Pricewise Air Conditioning Limited2001
All plumbing and heating companies in Lancaster · All trades in Lancaster · Plumbers and heating engineers across the UK
Frequently asked questions
When are J.A. Mount Limited's accounts due?
J.A. Mount Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is J.A. Mount Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is J.A. Mount Limited still trading?
J.A. Mount 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 J.A. Mount Limited do?
J.A. Mount Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J.A. Mount Limited?
J.A. Mount Limited was incorporated on 16 July 2003, 23 years ago.
Who runs J.A. Mount Limited?
J.A. Mount Limited has 1 active director, the longest-serving appointed in Jul 2003. Their names and service addresses are on the Companies House register.
Who owns J.A. Mount Limited?
2 people or companies have significant control of J.A. Mount Limited: an individual (owns 50% to 75% of the shares); an individual (owns 50% to 75% of the shares).
What is the penalty if J.A. Mount 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 J.A. Mount 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.