- Companies
- Groundworks and demolition
- Kemp Brothers Construction Limited
Kemp Brothers Construction Limited
- Company number
- 03837789
- Incorporated
- 3 Sep 199927 years trading
- Registered office
- Brook Farm, Granborough Road, Winslow, Buckinghamshire, MK18 3NG
- Nature of business
- Site preparation
Kemp Brothers Construction Limited is a 27-year-old private limited company registered in Winslow, company number 03837789, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £40K (-96.6%) on the year before, to £1,438.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £5,438 against £122K owed within a year: 0.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1,438 | £5,438 | £122K | 2 | |
| 31 Jan 2024 | £42K | £30K | £92K | 2 | |
| 31 Jan 2023 | £18K | £33K | £156K | 4 | |
| 31 Jan 2022 | £75K | £20K | £37K | £114K | 4 |
| 31 Jan 2021 | £117K | £40K | £147K | 10 | |
| 31 Jan 2020 | £205K | £1,149 | £131K | 10 | |
| 31 Jan 2019 | £387K | £115K | £294K | £109K | 11 |
| 31 Jan 2018 | £570K | £434K | £651K | £161K | |
| 31 Jan 2017 | £503K | £218K | £586K | £183K |
Where Kemp Brothers Construction Limited is registered
The registered office is in Winslow (MK18), in the Buckinghamshire local authority area, South East. Show MK18 3NG on a map.
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What happens if Kemp Brothers Construction 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 03837789
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 September 1999 (27 years ago)
- Registered office
- Brook Farm, Granborough Road, Winslow, Buckinghamshire, MK18 3NG
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 3 September 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies
Other active groundworks and demolition companies.
Frequently asked questions
When are Kemp Brothers Construction Limited's accounts due?
Kemp Brothers Construction Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Kemp Brothers Construction Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Kemp Brothers Construction Limited still trading?
Kemp Brothers Construction 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 Kemp Brothers Construction Limited do?
Kemp Brothers Construction Limited is registered under Site preparation (SIC 43120).
How old is Kemp Brothers Construction Limited?
Kemp Brothers Construction Limited was incorporated on 3 September 1999, 27 years ago.
What is the penalty if Kemp Brothers Construction 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 Kemp Brothers Construction 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.