- Companies
- Installers
- Exeter
- Oz Windows Limited
Oz Windows Limited
- Company number
- 07703972
- Incorporated
- 13 Jul 201115 years trading
- Registered office
- Unit 4 107 Summerway, Whipton, Exeter, Devon, EX4 8DP
- Nature of business
- Other construction installation
Oz Windows Limited is a 15-year-old private limited company registered in Exeter, company number 07703972, one of 55 installation companies (insulation, lifts, shutters and similar) in Exeter. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Oz Windows LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £16K (+197%) on the year before, to £25K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £67K against £56K owed within a year: 1.2 times cover.
- 5 employees on average, up from 4 the year before.
- 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 Jul 2025 | £25K | £54K | £67K | £56K | 5 |
| 31 Jul 2024 | £8,265 | £64K | £69K | £67K | 4 |
| 31 Jul 2023 | £19K | £61K | £81K | £59K | 3 |
| 31 Jul 2022 | -£11K | £28K | £44K | £43K | 3 |
| 31 Jul 2021 | -£2,234 | £21K | £36K | £19K | 3 |
| 31 Jul 2020 | -£235 | £17K | £50K | £21K | 3 |
| 31 Jul 2019 | -£6,553 | £12K | £13K | £25K | |
| 31 Jul 2018 | -£24K | £4 | £4 | £27K | |
| 31 Jul 2017 | -£12K | £467 | £1,866 | £18K | |
| 31 Jul 2016 | -£13K | £3,449 | £3,750 | £18K |
Where Oz Windows Limited is registered
The registered office is in Exeter (EX4), in the Exeter local authority area, South West. Show EX4 8DP on a map.
Other trade companies in EX4
- J&J Contractors LtdBuilders
- Local Roofing Co (SW) LtdRoofers
- Fuchsia Developments LtdMachinery repair and installation
- Vac Ease LimitedSpecialist contractors
- SW Ductsafe LtdCleaning companies
- Kittiwake Cleaning LtdCleaning companies
- Obsidian Auto Solutions LtdPainters and decorators
- Veteran Fire and Security LtdElectricians
What happens if Oz Windows 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 07703972
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2011 (15 years ago)
- Registered office
- Unit 4 107 Summerway, Whipton, Exeter, Devon, EX4 8DP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 13 July 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Exeter
Other active installation companies (insulation, lifts, shutters and similar) registered in Exeter.
- P & B Contractors Limited2021
- Pile Foundations Ltd2026
- Piling Plant Hire Ltd2024
- Precision Decking Ltd2019
- RM Thermal Ltd2013
- Smashem Limited2023
- Solnet Group UK Limited2025
- Somerset Building & Development Limited2011
All installation companies (insulation, lifts, shutters and similar) in Exeter · All trades in Exeter · Installers across the UK
Frequently asked questions
When are Oz Windows Limited's accounts due?
Oz Windows Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Oz Windows Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Oz Windows Limited still trading?
Oz Windows 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 Oz Windows Limited do?
Oz Windows Limited is registered under Other construction installation (SIC 43290).
How old is Oz Windows Limited?
Oz Windows Limited was incorporated on 13 July 2011, 15 years ago.
What is the penalty if Oz Windows 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 Oz Windows 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.