- Companies
- Civil engineering
- Ipswich
- H R Knights & Sons Limited
H R Knights & Sons Limited
- Company number
- 06796997
- Incorporated
- 21 Jan 200917 years trading
- Registered office
- 4 Bixley Drive, Ipswich, Suffolk, IP4 5TS
- Nature of business
- Construction of other civil engineering projects n.e.c.
H R Knights & Sons Limited is a 17-year-old private limited company registered in Ipswich, company number 06796997, one of 88 civil engineering contractors in Ipswich. 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 £9,680 (-10.6%) on the year before, to £81K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £88K against £31K owed within a year: 2.8 times cover.
- 3 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £81K | £88K | £31K | 3 | |
| 31 Jan 2024 | £91K | £88K | £24K | 3 | |
| 31 Jan 2023 | £103K | £99K | £24K | 3 | |
| 31 Jan 2022 | £114K | £132K | £37K | 3 | |
| 31 Jan 2021 | £126K | £152K | £43K | 5 | |
| 31 Jan 2020 | £105K | £82K | £56K | 6 | |
| 31 Jan 2019 | £55K | £77K | £113K | ||
| 31 Jan 2018 | £8 | £63K | £142K | ||
| 31 Jan 2017 | -£16K | £42K | £119K | ||
| 31 Jan 2016 | £6,835 | £2,817 | £46K | £108K |
Where H R Knights & Sons Limited is registered
The registered office is in Ipswich (IP4), in the East Suffolk local authority area, East of England. Show IP4 5TS on a map.
Other trade companies in IP4
- Ukdk Clearances LtdGroundworks and demolition
- Allinall Ventures LtdMotor traders
- Laurselle Holdings LtdProperty developers
- Ipswich Autos LtdMotor traders
- D&D Driver LtdGroundworks and demolition
- T.E.D Electrical Contracting LtdElectricians
- L A East Construction LtdBuilders
- Phelps Electrical LtdElectricians
What happens if H R Knights & Sons 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
- 06796997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2009 (17 years ago)
- Registered office
- 4 Bixley Drive, Ipswich, Suffolk, IP4 5TS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 21 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Ipswich
Other active civil engineering contractors registered in Ipswich.
- Heatherfields Limited1999
- Heavy Plant Services Europe Limited1998
- Henson & Black Limited2018
- HMPR Barrier Systems Ltd2022
- Hydes Traffic Ltd2022
- Hynes Utilities Limited2011
- Ian Booth Consultant Engineer Limited2014
- Jackson Civils Limited2003
All civil engineering contractors in Ipswich · All trades in Ipswich · Civil engineering across the UK
Frequently asked questions
When are H R Knights & Sons Limited's accounts due?
H R Knights & Sons Limited's next accounts are due at Companies House by 31 October 2026 (in 17 days), covering the period to 31 January 2026.
When is H R Knights & Sons 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 H R Knights & Sons Limited still trading?
H R Knights & Sons 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 H R Knights & Sons Limited do?
H R Knights & Sons Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is H R Knights & Sons Limited?
H R Knights & Sons Limited was incorporated on 21 January 2009, 17 years ago.
What is the penalty if H R Knights & Sons 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 H R Knights & Sons 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.