- Companies
- Installers
- Swindon
- SZ Fire Ltd
SZ Fire Ltd
- Company number
- 11666110
- Incorporated
- 7 Nov 20187 years trading
- Registered office
- 25 Blanchard Road, Tadpole Garden Village, Swindon, SN25 2UW
- Nature of business
- Other construction installation
SZ Fire Ltd is a 7-year-old private limited company registered in Swindon, company number 11666110, one of 72 installation companies (insulation, lifts, shutters and similar) in Swindon. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £7,568 (+184.4%) on the year before, to £3,463.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £35K against £1,775 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £3,463 | £1,239 | £35K | £1,775 | 0 |
| 30 Nov 2024 | -£4,105 | £32K | £43 | 0 | |
| 30 Nov 2023 | -£11K | £31K | 0 | ||
| 30 Nov 2022 | -£10K | £11K | £38K | 0 | |
| 30 Nov 2021 | -£9,775 | £39K | £40K | £0 | 0 |
| 30 Nov 2020 | -£8,346 | £1,794 | £3,180 | £12K | 1 |
| 30 Nov 2019 | -£4,288 | £36K | £36K | £40K | 1 |
Where SZ Fire Ltd is registered
The registered office is in Swindon (SN25), in the Swindon local authority area, South West. Show SN25 2UW on a map.
Other trade companies in SN25
- M91 Smart LtdMechanics and garages
- Cottrell Building Services LimitedFinishing trades
- RL Construction LtdCivil engineering
- DTD Motor Traders LimitedMotor traders
- T&P Decorating LtdFinishing trades
- Nova Cleaning Facilities LtdCleaning companies
- Tifelayo Business LimitedMotor traders
- Woody's Water Utilities LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as SZ Fire Ltd.
- Sel Fire LtdInstallers
What happens if SZ Fire 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11666110
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 November 2018 (7 years ago)
- Registered office
- 25 Blanchard Road, Tadpole Garden Village, Swindon, SN25 2UW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 6 November 2025
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 Swindon
Other active installation companies (insulation, lifts, shutters and similar) registered in Swindon.
- The Garage Door Specialist Limited2009
- Trojan Stonework Limited2013
- Ubhi Builders Ltd2015
- VS Carpentry Ltd2016
- Walmat Windows Limited2015
- Wessex Ceilings Ltd2018
- Wiltshire Loft Conversions Ltd2020
- Wooden Floor Sanding and Restoration Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Swindon · All trades in Swindon · Installers across the UK
Frequently asked questions
When are SZ Fire Ltd's accounts due?
SZ Fire Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is SZ Fire Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is SZ Fire Ltd still trading?
SZ Fire 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 SZ Fire Ltd do?
SZ Fire Ltd is registered under Other construction installation (SIC 43290).
How old is SZ Fire Ltd?
SZ Fire Ltd was incorporated on 7 November 2018, 7 years ago.
What is the penalty if SZ Fire 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 SZ Fire 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.