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Thermonovel Limited

ActiveMicro-entity accountsProperty developersAldeburgh
Company number
03261833
Incorporated
10 Oct 199630 years trading
Registered office
Lakselv, Wentworth Road, Aldeburgh, Suffolk, IP15 5BB
Nature of business
Development of building projects
Accounts due in
291 days
31 Jul 2027
Net assets
-£16K▲
+16.9% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Thermonovel Limited is a 30-year-old private limited company registered in Aldeburgh, company number 03261833, one of the UK's property development companies. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 291 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 383 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
24 Oct 2026
in 11 days
Last made up to 10 Oct 2025

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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 £3,200 (+16.9%) on the year before, to -£16K.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £426K against £429K owed within a year: 1.0 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025-£200K-£100K£031 October 2016: net assets -£210K-£210K201631 October 2017: net assets -£174K-£174K201731 October 2018: net assets -£140K-£140K201831 October 2019: net assets -£103K-£103K201931 October 2020: net assets -£75K-£75K202031 October 2021: net assets -£100K-£100K202131 October 2022: net assets -£98K-£98K202231 October 2023: net assets -£99K-£99K202331 October 2024: net assets -£19K-£19K202431 October 2025: net assets -£16K-£16K2025
Net assets at each year end, 2016 to 2025-£200K-£100K£031 October 2016: net assets -£210K-£210K'1631 October 2017: net assets -£174K-£174K'1731 October 2018: net assets -£140K-£140K'1831 October 2019: net assets -£103K-£103K'1931 October 2020: net assets -£75K-£75K'2031 October 2021: net assets -£100K-£100K'2131 October 2022: net assets -£98K-£98K'2231 October 2023: net assets -£99K-£99K'2331 October 2024: net assets -£19K-£19K'2431 October 2025: net assets -£16K-£16K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025-£16K£426K£429K0
31 Oct 2024-£19K£308K£309K0
31 Oct 2023-£99K£159K£296K0
31 Oct 2022-£98K£40K£85K0
31 Oct 2021-£100K£751£61K0
31 Oct 2020-£75K£48K£121K0
31 Oct 2019-£103K£6£102K
31 Oct 2018-£140K£4£139K
31 Oct 2017-£174K£8£173K
31 Oct 2016-£210K£6£210K

Where Thermonovel Limited is registered

Thermonovel Limited's registered office on a map of the UK

The registered office is in Aldeburgh (IP15), in the East Suffolk local authority area, East of England. Show IP15 5BB on a map.

Other trade companies in IP15

What happens if Thermonovel 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 July 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
03261833
Status
Active
Company type
Private limited company
Incorporated
10 October 1996 (30 years ago)
Registered office
Lakselv, Wentworth Road, Aldeburgh, Suffolk, IP15 5BB
Nature of business
Development of building projects (SIC 41100)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
10 October 2025
Charges (mortgages)
0 outstanding of 5 registered

Filing notes for property development companies

Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.

Similar companies

Other active property development companies.

Property developers across the UK

Frequently asked questions

When are Thermonovel Limited's accounts due?

Thermonovel Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.

When is Thermonovel Limited's CT600 due?

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

Is Thermonovel Limited still trading?

Thermonovel 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 Thermonovel Limited do?

Thermonovel Limited is registered under Development of building projects (SIC 41100).

How old is Thermonovel Limited?

Thermonovel Limited was incorporated on 10 October 1996, 30 years ago.

What is the penalty if Thermonovel 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 Thermonovel 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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