- Companies
- Property developers
- Colchester
- Guyon & Sons Ltd
Guyon & Sons Ltd
- Company number
- 07431456
- Incorporated
- 5 Nov 201015 years trading
- Registered office
- 43 Redwood Close, Colchester, CO4 3PA
- Nature of business
- Development of building projects
Guyon & Sons Ltd is a 15-year-old private limited company registered in Colchester, company number 07431456, one of 349 property development companies in Colchester. 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 £11K (-138.7%) on the year before, to -£19K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £2,049 against £24K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | -£19K | £0 | £2,049 | £24K | 0 |
| 30 Nov 2023 | -£7,910 | £1,107 | £1,147 | £13K | 1 |
| 30 Nov 2022 | -£5,463 | £20K | £20K | £28K | 1 |
| 30 Nov 2021 | -£19K | £14K | £16K | £41K | 1 |
| 30 Nov 2020 | £551 | £9,756 | £27K | £32K | 1 |
| 30 Nov 2019 | £326 | £9,973 | £31K | £34K | 2 |
| 30 Nov 2018 | £12K | £14K | £53K | £42K | 2 |
| 30 Nov 2017 | £13K | £1,931 | £55K | £43K | 1 |
| 30 Nov 2016 | £6,800 | £17K | £29K | £23K | |
| 30 Nov 2015 | £4,314 | £4,056 | £15K | £17K |
Where Guyon & Sons Ltd is registered
The registered office is in Colchester (CO4), in the Colchester local authority area, East of England. Show CO4 3PA on a map.
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What happens if Guyon & 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
- 07431456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2010 (15 years ago)
- Registered office
- 43 Redwood Close, Colchester, CO4 3PA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 22 October 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Colchester
Other active property development companies registered in Colchester.
- Habico Developments Ltd2022
- Hagad Limited1994
- Halo Properties Limited2004
- Hamperden End Homes Ltd2026
- Harding Homes (Essex) Limited2001
- Harding Homes (North Essex) Limited2001
- Heathwest Developments Ltd2007
- Henley Developments (South East) Limited2020
All property development companies in Colchester · All trades in Colchester · Property developers across the UK
Frequently asked questions
When are Guyon & Sons Ltd's accounts due?
Guyon & 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 Guyon & 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 Guyon & Sons Ltd still trading?
Guyon & 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 Guyon & Sons Ltd do?
Guyon & Sons Ltd is registered under Development of building projects (SIC 41100).
How old is Guyon & Sons Ltd?
Guyon & Sons Ltd was incorporated on 5 November 2010, 15 years ago.
What is the penalty if Guyon & 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 Guyon & 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.