- Companies
- Plumbers and heating engineers
- Falkirk
- John Cullen & Sons Ltd.
John Cullen & Sons Ltd.
- Company number
- SC140525
- Incorporated
- 2 Oct 199234 years trading
- Registered office
- Old Church, South Craigs Road,Rumford, Falkirk, FK2 0SF
- Nature of business
- Plumbing, heat and air-conditioning installation
John Cullen & Sons Ltd. is a 34-year-old private limited company registered in Falkirk, company number SC140525, one of 33 plumbing and heating companies in Falkirk. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £3,922 on the year before, to -£3,540.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £52K against £56K owed within a year: 0.9 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | -£3,540 | £5,485 | £52K | £56K | 5 |
| 30 Nov 2023 | £382 | £22K | £50K | £47K | 5 |
| 30 Nov 2022 | £9,052 | £36K | £65K | £52K | 7 |
| 30 Nov 2021 | £1,020 | £45K | £74K | £61K | 5 |
| 30 Nov 2020 | £574 | £21K | £53K | £32K | 6 |
| 30 Nov 2019 | £851 | £7,135 | £43K | £44K | 5 |
| 30 Nov 2018 | £3,003 | £11K | £42K | £40K | 0 |
| 30 Nov 2017 | £206 | £36K | £49K | £47K | 5 |
| 30 Nov 2016 | £258 | £19K | £30K | £33K | |
| 30 Nov 2015 | £1,014 | £20K | £63K | £66K |
Where John Cullen & Sons Ltd. is registered
The registered office is in Falkirk (FK2), in the Falkirk local authority area, Scotland. Show FK2 0SF on a map.
Other trade companies in FK2
- Signature Garden Rooms LtdJoiners and carpenters
- McMillan Electrical Services LtdElectricians
- CMTP Network LtdElectricians
- Start Motors LtdMotor traders
- Rowan Property Care LtdRoofers
- Everflow Heating LtdPlumbers and heating engineers
- Eminentpropertymaintenance LtdFloor and wall tilers
- Flow&Glow Gas Services LimitedPlumbers and heating engineers
What happens if John Cullen & Sons Ltd. 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC140525
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 October 1992 (34 years ago)
- Registered office
- Old Church, South Craigs Road,Rumford, Falkirk, FK2 0SF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 2 October 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Falkirk
Other active plumbing and heating companies registered in Falkirk.
- Johnston's Plumbing & Multitrade Ltd2022
- Matheson Plumbing Company Limited1992
- MD Plumbsure Plumbing Ltd2015
- Morland & Martin (Plumbing & Heating) Limited1981
- Plumbserve247 Limited2024
- PMG Central Limited2023
- PMG Heating Services Limited2026
- Rose Green Plumbing Ltd2024
All plumbing and heating companies in Falkirk · All trades in Falkirk · Plumbers and heating engineers across the UK
Frequently asked questions
When are John Cullen & Sons Ltd.'s accounts due?
John Cullen & Sons Ltd.'s next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is John Cullen & Sons Ltd.'s CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is John Cullen & Sons Ltd. still trading?
John Cullen & Sons Ltd. 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 John Cullen & Sons Ltd. do?
John Cullen & Sons Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is John Cullen & Sons Ltd.?
John Cullen & Sons Ltd. was incorporated on 2 October 1992, 34 years ago.
What is the penalty if John Cullen & Sons Ltd. 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 John Cullen & Sons Ltd. 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.