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  4. Termoglass Ltd

Termoglass Ltd

ActiveMicro-entity accountsCivil engineeringSlough
Company number
08688479
Incorporated
12 Sep 201313 years trading
Registered office
73 Goodman Park, Slough, SL2 5NS
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
261 days
30 Jun 2027
Net assets
-£5,699▼
At 30 Sep 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Termoglass Ltd is a 13-year-old private limited company registered in Slough, company number 08688479, one of 39 civil engineering contractors in Slough. 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.

Accounts due
30 Jun 2027
in 261 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 353 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 262 days
9 months and 1 day after the period end
Confirmation statement
26 Sep 2027
in 349 days
Last made up to 12 Sep 2026

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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 £5,569 on the year before, to -£5,699.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025-£5,000-£2,500£030 September 2016: net assets £327£327201630 September 2017: net assets £348£348201730 September 2018: net assets £714£714201830 September 2019: net assets £815£815201930 September 2020: net assets £952£952202030 September 2021: net assets £594£594202130 September 2022: net assets £421£421202230 September 2023: net assets £1,634£1,634202330 September 2024: net assets -£130-£130202430 September 2025: net assets -£5,699-£5,6992025
Net assets at each year end, 2016 to 2025-£5,000-£2,500£030 September 2016: net assets £327£327'1630 September 2017: net assets £348£348'1730 September 2018: net assets £714£714'1830 September 2019: net assets £815£815'1930 September 2020: net assets £952£952'2030 September 2021: net assets £594£594'2130 September 2022: net assets £421£421'2230 September 2023: net assets £1,634£1,634'2330 September 2024: net assets -£130-£130'2430 September 2025: net assets -£5,699-£5,699'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025-£5,6992
30 Sep 2024-£1302
30 Sep 2023£1,6342
30 Sep 2022£4212
30 Sep 2021£5942
30 Sep 2020£952£4,245£3,2931
30 Sep 2019£815£3,628£2,8131
30 Sep 2018£714£5,746
30 Sep 2017£348£3,464£3,116
30 Sep 2016£327£3,552£3,552£3,225

Where Termoglass Ltd is registered

Termoglass Ltd's registered office on a map of the UK

The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 5NS on a map.

Other trade companies in SL2

What happens if Termoglass 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 30 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 2028another 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
08688479
Status
Active
Company type
Private limited company
Incorporated
12 September 2013 (13 years ago)
Registered office
73 Goodman Park, Slough, SL2 5NS
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
30 September (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 September 2025
Last confirmation statement
12 September 2026

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 Slough

Other active civil engineering contractors registered in Slough.

All civil engineering contractors in Slough · All trades in Slough · Civil engineering across the UK

Frequently asked questions

When are Termoglass Ltd's accounts due?

Termoglass Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.

When is Termoglass Ltd'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 Termoglass Ltd still trading?

Termoglass 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 Termoglass Ltd do?

Termoglass Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Termoglass Ltd?

Termoglass Ltd was incorporated on 12 September 2013, 13 years ago.

What is the penalty if Termoglass 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 Termoglass Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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