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  4. Thermal Tech Construction Limited

Thermal Tech Construction Limited

ActiveTotal exemption (full) accountsInstallersWeston-Super-Mare
Company number
15483954
Incorporated
12 Feb 20242 years trading
Registered office
4 Cranwell Road, Locking Parklands, Weston-Super-Mare, North Somerset, BS24 7GF
Nature of business
Other construction installation
Accounts due in
80 days
31 Dec 2026
Net assets
£90K
At 31 Mar 2025
Cash at bank
£54K
At 31 Mar 2025
Employees
16
Average during the year
From the Companies House register, 1 Oct 2026

Thermal Tech Construction Limited is a 2-year-old private limited company registered in Weston-Super-Mare, company number 15483954, one of 47 installation companies (insulation, lifts, shutters and similar) in Weston-Super-Mare. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
25 Feb 2027
in 136 days
Last made up to 11 Feb 2026

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Financial snapshot, 2025

From the balance sheet at 31 March 2025, as filed at Companies House.

Net assets
£90K
Cash at bank
£54K
Current assets
£227K
Owed within a year
£174K
Creditors due within one year
Employees
16
Average during the year, including directors

Where Thermal Tech Construction Limited is registered

Thermal Tech Construction Limited's registered office on a map of the UK

The registered office is in Weston-Super-Mare (BS24), in the North Somerset local authority area, South West. Show BS24 7GF on a map.

Other trade companies in BS24

Also registered at this address

11 other companies use the same registered office as Thermal Tech Construction Limited.

What happens if Thermal Tech Construction 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 31 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
15483954
Status
Active
Company type
Private limited company
Incorporated
12 February 2024 (2 years ago)
Registered office
4 Cranwell Road, Locking Parklands, Weston-Super-Mare, North Somerset, BS24 7GF
Nature of business
Other construction installation (SIC 43290)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
11 February 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 Weston-Super-Mare

Other active installation companies (insulation, lifts, shutters and similar) registered in Weston-Super-Mare.

All installation companies (insulation, lifts, shutters and similar) in Weston-Super-Mare · All trades in Weston-Super-Mare · Installers across the UK

Frequently asked questions

When are Thermal Tech Construction Limited's accounts due?

Thermal Tech Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Thermal Tech Construction Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Thermal Tech Construction Limited still trading?

Thermal Tech Construction 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 Thermal Tech Construction Limited do?

Thermal Tech Construction Limited is registered under Other construction installation (SIC 43290).

How old is Thermal Tech Construction Limited?

Thermal Tech Construction Limited was incorporated on 12 February 2024, 2 years ago.

What is the penalty if Thermal Tech Construction 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 Thermal Tech Construction Limited 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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