- Company number
- 02154535
- Incorporated
- 13 Aug 198739 years trading
- Registered office
- C/O Westcotts (SW) LLP Plym House, 3 Longbridge Road, Marsh Mills, Plymouth, Devon, PL6 8LT
- Nature of business
- Construction of commercial buildings
Twinavon Developments Limited is a 39-year-old private limited company registered in Plymouth, company number 02154535, one of 182 building contractors in Plymouth. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £52K (+5.6%) on the year before, to £967K.
- Current assets of £1M against £74K owed within a year: more than 10 times cover.
- Balance sheets on record for 2 years, 2015 to 2016.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2016 | £967K | £1M | £1M | £74K | |
| 30 Sep 2015 | £916K | £967K | £967K | £69K |
Where Twinavon Developments Limited is registered
The registered office is in Plymouth (PL6), in the Plymouth local authority area, South West. Show PL6 8LT on a map.
Other trade companies in PL6
- Transit Garage SW LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- A-Frame Scaffolding LimitedScaffolders
- SW Plantroom Partners LtdPlumbers and heating engineers
- Trueline (SW) LtdJoiners and carpenters
- Prime Plumbing & Heating SW LtdPlumbers and heating engineers
- New Cut Carpentry LimitedJoiners and carpenters
- Sos 360 LtdBuilders
Also registered at this address
11 other companies use the same registered office as Twinavon Developments Limited.
- Abmaritime LtdSpecialist contractors
- Ace Plastering SW LtdPlasterers
- Claremont Marine Services LimitedCivil engineering
- Crownhill MOT Centre LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- Ferati LimitedCivil engineering
- Gosling and Gosling LimitedProperty developers
- Newton Riverside Builders LimitedJoiners and carpenters
- Ottowa LimitedProperty developers
- Sleep & Hill Motors LimitedMotor traders
- Viburnum (Okehampton) LimitedBuilders
What happens if Twinavon Developments 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 02154535
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 August 1987 (39 years ago)
- Registered office
- C/O Westcotts (SW) LLP Plym House, 3 Longbridge Road, Marsh Mills, Plymouth, Devon, PL6 8LT
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 22 May 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Plymouth
Other active building contractors registered in Plymouth.
- Universe Investment Group ( Construction ) Limited2024
- Urban Projects SW Ltd2024
- V G Developments Ltd2007
- Viburnum (Okehampton) Limited2025
- Village Community Developments Limited1996
- Walton Development and Construction Limited2000
- West Country Drives and Patios Ltd2019
- Writer Design & Build Limited2022
All building contractors in Plymouth · All trades in Plymouth · Builders across the UK
Frequently asked questions
When are Twinavon Developments Limited's accounts due?
Twinavon Developments Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Twinavon Developments Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Twinavon Developments Limited still trading?
Twinavon Developments Limited is listed as active on the Companies House register (checked 12 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 Twinavon Developments Limited do?
Twinavon Developments Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Twinavon Developments Limited?
Twinavon Developments Limited was incorporated on 13 August 1987, 39 years ago.
What is the penalty if Twinavon Developments 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 Twinavon Developments Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.