- Companies
- Civil engineering
- Keynsham
- Capstan Contractors Ltd.
Capstan Contractors Ltd.
- Company number
- 03043831
- Incorporated
- 10 Apr 199531 years trading
- Registered office
- Ground Floor Wessex House, Pixash Lane, Keynsham, Bristol, BS31 1TP
- Nature of business
- Construction of other civil engineering projects n.e.c.
Capstan Contractors Ltd. is a 31-year-old private limited company registered in Keynsham, company number 03043831, one of 5 civil engineering contractors in Keynsham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 (-4%) on the year before, to £944K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £2.3M against £1.4M owed within a year: 1.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 May 2025 | £944K | £175K | £2.3M | £1.4M | 0 |
| 31 May 2024 | £984K | £1M | £3.2M | £2.2M | 31 |
| 31 May 2023 | £893K | £719K | £2.2M | £1.3M | 35 |
| 31 May 2022 | £791K | £1.9M | £3.2M | £2.4M | 41 |
| 31 May 2021 | £703K | £676K | £2.3M | £1.5M | 42 |
| 31 May 2020 | £820K | £593K | £1.7M | £910K | |
| 31 May 2019 | £743K | £352K | £1.8M | £1.2M | 48 |
| 31 May 2018 | £741K | £538K | £1.4M | £760K | 51 |
| 31 May 2017 | £912K | £464K | £1.7M | £892K | 30 |
| 31 May 2016 | £809K | £448K | £1.5M | £807K |
Public contracts won
Capstan Contractors Ltd. has one public sector contract award on record; the ones with their own published value total £93K (2023). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| University of Bristol | Cotham House Subsidence Works | £93K | 11 Aug 2023 |
Where Capstan Contractors Ltd. is registered
The registered office is in Keynsham (BS31), in the Bath and North East Somerset local authority area, South West. Show BS31 1TP on a map.
Other trade companies in BS31
- Aadoor Systems LtdMachinery repair and installation
- BDM Car Wash Keynsham LtdCleaning companies
- Motorbase Bristol LtdMotor traders
- Entreplumbers LtdPlumbers and heating engineers
- Hillside Rock Motors LtdMotor traders
- Phoenix Scaffolding Bristol LimitedScaffolders
- Bristol Car Spares LtdMotor traders
- Project Heritage Group LtdInstallers
Also registered at this address
21 other companies use the same registered office as Capstan Contractors Ltd..
- 4D Kitchens and Bedrooms LtdInstallers
- Abee Domestic LimitedCleaning companies
- Arcos Interiors LtdInstallers
- Ashley Down Garage Services LimitedMechanics and garages
- Burchill Construction LtdBuilders
- Capstan Contractors Holdings LimitedCivil engineering
- Claygro LtdCivil engineering
- Clifton Cobbler LimitedRepair services
- Diamond Partners Investments (UK) LimitedProperty developers
- G.F. Automotive LimitedMechanics and garages
- Hillside Farm Developments LtdFinishing trades
- JHS Racing LimitedMotor traders
- King Petty LimitedFinishing trades
- Micklegate Fluid Power LtdMachinery repair and installation
- Modern Living Contracts LtdProperty developers
- PJ Services (Bristol) LimitedCivil engineering
- RJM Construction & Earthworks LimitedSpecialist contractors
- Service Elite LimitedMachinery repair and installation
- Straight Up Scaffolding (Bristol) LtdSpecialist contractors
- Vehicle Lifting Company LimitedMachinery repair and installation
- Westbury Garage Services LimitedMotor traders
What happens if Capstan Contractors 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 03043831
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 1995 (31 years ago)
- Registered office
- Ground Floor Wessex House, Pixash Lane, Keynsham, Bristol, BS31 1TP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 April 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Keynsham
Other active civil engineering contractors registered in Keynsham.
- Claygro Ltd1999
- PJ Services (Bristol) Limited2008
- Schemit Ltd2009
- Capstan Contractors Holdings Limited2017
All civil engineering contractors in Keynsham · All trades in Keynsham · Civil engineering across the UK
Frequently asked questions
When are Capstan Contractors Ltd.'s accounts due?
Capstan Contractors Ltd.'s next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Capstan Contractors Ltd.'s CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Capstan Contractors Ltd. still trading?
Capstan Contractors 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 Capstan Contractors Ltd. do?
Capstan Contractors Ltd. is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Capstan Contractors Ltd.?
Capstan Contractors Ltd. was incorporated on 10 April 1995, 31 years ago.
Has Capstan Contractors Ltd. won public sector contracts?
Yes. Capstan Contractors Ltd. has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £93K), most recently from University of Bristol.
What is the penalty if Capstan Contractors 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 Capstan Contractors 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.