- Companies
- Civil engineering
- Barnstaple
- Sumners & Son Limited
Sumners & Son Limited
- Company number
- 04370020
- Incorporated
- 8 Feb 200224 years trading
- Registered office
- Unit 8, Upcott Avenue, Pottington Business Park, Barnstaple, Devon, EX31 1HN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Sumners & Son Limited is a 24-year-old private limited company registered in Barnstaple, company number 04370020, one of 17 civil engineering contractors in Barnstaple. Its next accounts are due at Companies House on 23 December 2026, and the CT600 for the period to 23 March 2026 is due at HMRC on 23 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 up £5,954 (+8.2%) on the year before, to -£67K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £418K against £487K owed within a year: 0.9 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 |
|---|---|---|---|---|---|
| 30 Mar 2025 | -£67K | £418K | £487K | 3 | |
| 31 Mar 2024 | -£73K | £431K | £506K | 3 | |
| 31 Mar 2023 | -£45K | £462K | £509K | 3 | |
| 31 Mar 2022 | -£28K | £477K | £507K | 4 | |
| 31 Mar 2021 | £18K | £844K | £827K | 4 | |
| 31 Mar 2020 | £1,084 | £736K | £736K | 4 | |
| 31 Mar 2019 | £2,422 | £8,723 | £728K | £727K | 4 |
| 31 Mar 2018 | £15K | £31K | £621K | £609K | 5 |
| 31 Mar 2017 | -£40K | £67K | £477K | £519K | 6 |
| 31 Mar 2016 | -£27K | £61K | £471K | £499K |
Where Sumners & Son Limited is registered
The registered office is in Barnstaple (EX31), in the North Devon local authority area, South West. Show EX31 1HN on a map.
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Also registered at this address
1 other company uses the same registered office as Sumners & Son Limited.
- Caen Construction LtdBuilders
What happens if Sumners & Son 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 23 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2026 to 23 Jan 2027 | £150 |
| 1 to 3 months late | 24 Jan 2027 to 23 Mar 2027 | £375 |
| 3 to 6 months late | 24 Mar 2027 to 23 Jun 2027 | £750 |
| More than 6 months late | From 24 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 24 Mar 2027 | £200 |
| 3 months late | 23 Jun 2027 | another £200 |
| 6 months late | 23 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 23 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
- 04370020
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2002 (24 years ago)
- Registered office
- Unit 8, Upcott Avenue, Pottington Business Park, Barnstaple, Devon, EX31 1HN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 23 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 8 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Barnstaple
Other active civil engineering contractors registered in Barnstaple.
- V & C Goaman Properties Limited2004
- Zenith Engineering Services Limited2003
- 24/7 Drain Solutions Limited2020
- Andrew Dinnicombe Construction Limited2002
- Atlantic Highway Groundworks Limited2005
- Birch Tarmacadam Limited2014
- Claydon Builders Ltd2012
- D & R Scott Building Contractors Limited2010
All civil engineering contractors in Barnstaple · All trades in Barnstaple · Civil engineering across the UK
Frequently asked questions
When are Sumners & Son Limited's accounts due?
Sumners & Son Limited's next accounts are due at Companies House by 23 December 2026 (in 71 days), covering the period to 23 March 2026.
When is Sumners & Son Limited's CT600 due?
The CT600 for the period to 23 March 2026 is due at HMRC by 23 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 24 December 2026.
Is Sumners & Son Limited still trading?
Sumners & Son 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 Sumners & Son Limited do?
Sumners & Son Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Sumners & Son Limited?
Sumners & Son Limited was incorporated on 8 February 2002, 24 years ago.
What is the penalty if Sumners & Son 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 Sumners & Son 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.