- Companies
- Finishing trades
- Winchester
- By Boon Limited
By Boon Limited
- Company number
- 13252993
- Incorporated
- 9 Mar 20215 years trading
- Registered office
- C/O Tony Brown Accountancy Solutions Limited Basepoint Business Centre, 1 Winnall Valley Road, Winchester, Hampshire, SO23 0LD
- Nature of business
- Other building completion and finishing
By Boon Limited is a 5-year-old private limited company registered in Winchester, company number 13252993, one of 29 building finishing companies in Winchester. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 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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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 £63K (-27.6%) on the year before, to £166K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £117K against £3,756 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £166K | £117K | £3,756 | 0 | |
| 31 Mar 2024 | £229K | £194K | £6,920 | 0 | |
| 31 Mar 2023 | £69K | £52K | £11K | 0 | |
| 31 Mar 2022 | £50K | £57K | £14K | 0 |
Who runs and owns By Boon Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** M*** | Director | Mar 2026 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| G*** M*** | Director | Mar 2021 | Mar 2026 |
Person with significant control
Where By Boon Limited is registered
The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 0LD on a map.
Other trade companies in SO23
- Aeronix LimitedPlumbers and heating engineers
- Z Cubic Home LtdJoiners and carpenters
- Fordstone Groundworks & Civil Engineering LtdCivil engineering
- Osr Homes LtdBuilders
- Welborne LS LimitedProperty developers
- Charlecote Sussex LimitedSpecialist contractors
- Shorewood Pankridge Street LtdBuilders
- The Home & Garden Collective LtdBuilders
What happens if By Boon 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13252993
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2021 (5 years ago)
- Registered office
- C/O Tony Brown Accountancy Solutions Limited Basepoint Business Centre, 1 Winnall Valley Road, Winchester, Hampshire, SO23 0LD
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 March 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Winchester
Other active building finishing companies registered in Winchester.
- Care Homes Maintenance Limited2004
- Chris Tubb Building Services Limited2009
- Chrysalis Design & Build Ltd2009
- Complete Commercial Fitouts Ltd2015
- Concrete Wellies Ltd2020
- Domo Renova Ltd2023
- Fix Project Ltd2020
- Gilkicker Ltd2007
All building finishing companies in Winchester · All trades in Winchester · Finishing trades across the UK
Frequently asked questions
When are By Boon Limited's accounts due?
By Boon Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is By Boon Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is By Boon Limited still trading?
By Boon 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 By Boon Limited do?
By Boon Limited is registered under Other building completion and finishing (SIC 43390).
How old is By Boon Limited?
By Boon Limited was incorporated on 9 March 2021, 5 years ago.
Who runs By Boon Limited?
By Boon Limited has 1 active director, the longest-serving appointed in Mar 2026. Their names and service addresses are on the Companies House register.
Who owns By Boon Limited?
One person or company has significant control of By Boon Limited: an individual (owns 75% or more of the shares).
What is the penalty if By Boon 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 By Boon 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.