- Companies
- Plumbers and heating engineers
- High Wycombe
- F. J. Simmons & Son Ltd
F. J. Simmons & Son Ltd
- Company number
- 05915585
- Incorporated
- 24 Aug 200620 years trading
- Registered office
- Highcrest 6 Virginia Gardens, Bledlow Ridge, High Wycombe, Buckinghamshire, HP14 4JL
- Nature of business
- Plumbing, heat and air-conditioning installation; Roofing activities
F. J. Simmons & Son Ltd is a 20-year-old private limited company registered in High Wycombe, company number 05915585, one of 120 plumbing and heating companies in High Wycombe. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 up £2,551 (+40.9%) on the year before, to £8,784.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £60K against £52K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £8,784 | £2,296 | £60K | £52K | 0 |
| 30 Jun 2024 | £6,233 | £0 | £64K | £52K | 1 |
| 30 Jun 2023 | £11K | £2,139 | £62K | £41K | 1 |
| 30 Jun 2022 | £12K | £6,211 | £62K | £36K | 1 |
| 30 Jun 2021 | £18K | £7,992 | £70K | £38K | 1 |
| 30 Jun 2020 | £34K | £13K | £74K | £49K | 1 |
| 30 Jun 2019 | £51K | £36K | £87K | £51K | 1 |
| 30 Jun 2018 | £21K | £7,371 | £34K | £33K | 1 |
| 30 Jun 2017 | £21K | £12K | £42K | £48K | 1 |
| 30 Jun 2016 | £23K | £16K | £33K | £44K |
Where F. J. Simmons & Son Ltd is registered
The registered office is in High Wycombe (HP14), in the Buckinghamshire local authority area, South East. Show HP14 4JL on a map.
Other trade companies in HP14
- Flowtime LtdPlumbers and heating engineers
- UK Max Property Solutions LtdJoiners and carpenters
- Henley Housekeepers LimitedCleaning companies
- Claydon Fire Solutions LtdElectricians
- TM Construction & Sons LimitedBuilders
- Reiss Constructions LimitedProperty developers
- Ability Tree Services LtdLandscapers and gardeners
- JM Rose Building LtdProperty developers
What happens if F. J. Simmons & Son 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 05915585
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2006 (20 years ago)
- Registered office
- Highcrest 6 Virginia Gardens, Bledlow Ridge, High Wycombe, Buckinghamshire, HP14 4JL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Roofing activities (SIC 43910) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 21 September 2025
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 High Wycombe
Other active plumbing and heating companies registered in High Wycombe.
- Flowtime Ltd2026
- Frio-Tech Limited2005
- Gary Hills Ltd2018
- Gas Flo Heating Ltd2013
- Gas Genius Limited2024
- Gas Heating and Air Con Ltd2025
- Gasprom Ltd2024
- Gasworx Plumbing & Heating Services Ltd2020
All plumbing and heating companies in High Wycombe · All trades in High Wycombe · Plumbers and heating engineers across the UK
Frequently asked questions
When are F. J. Simmons & Son Ltd's accounts due?
F. J. Simmons & Son Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is F. J. Simmons & Son Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is F. J. Simmons & Son Ltd still trading?
F. J. Simmons & Son Ltd is listed as active on the Companies House register (checked 13 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 F. J. Simmons & Son Ltd do?
F. J. Simmons & Son Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Roofing activities (SIC 43910).
How old is F. J. Simmons & Son Ltd?
F. J. Simmons & Son Ltd was incorporated on 24 August 2006, 20 years ago.
What is the penalty if F. J. Simmons & Son 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 F. J. Simmons & Son Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.