1. Companies
  2. Installers
  3. Banbridge
  4. Ultratherm Conservatories Limited

Ultratherm Conservatories Limited

ActiveMicro-entity accountsInstallersBanbridge
Company number
NI657481
Incorporated
30 Nov 20187 years trading
Registered office
Unit 4, 22A Ballykelly Road, Banbridge, BT32 4PS
Nature of business
Other construction installation
Accounts due in
79 days
31 Dec 2026
Net assets
£186K▲
+47.5% on the year before
Employees
6
Average during the year
From the Companies House register, 1 Oct 2026

Ultratherm Conservatories Limited is a 7-year-old private limited company registered in Banbridge, company number NI657481, one of 6 installation companies (insulation, lifts, shutters and similar) in Banbridge. 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 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
22 Oct 2026
in 9 days
Last made up to 8 Oct 2025

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 Ultratherm Conservatories Limited

Or 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 £60K (+47.5%) on the year before, to £186K.
  • Net assets rose in 5 of 5 year-on-year comparisons on record.
  • Current assets of £293K against £217K owed within a year: 1.4 times cover.
  • 6 employees on average during the year.
  • Balance sheets on record for 6 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£100K30 November 2019: net assets -£1,661-£1,661201930 November 2020: net assets £4,289£4,289202030 November 2021: net assets £9,875£9,875202131 March 2023: net assets £86K£86K202331 March 2024: net assets £126K£126K202431 March 2025: net assets £186K£186K2025
Net assets at each year end, 2019 to 2025£0£100K30 November 2019: net assets -£1,661-£1,661201930 November 2020: net assets £4,289£4,289202030 November 2021: net assets £9,875£9,875202131 March 2023: net assets £86K£86K202331 March 2024: net assets £126K£126K202431 March 2025: net assets £186K£186K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£186K£293K£217K6
31 Mar 2024£126K£281K£243K6
31 Mar 2023£86K£183K£172K2
30 Nov 2021£9,875£24K£28K1
30 Nov 2020£4,289£11K£6,9731
30 Nov 2019-£1,661£348£1,7791

Where Ultratherm Conservatories Limited is registered

Ultratherm Conservatories Limited's registered office on a map of the UK

The registered office is in Banbridge (BT32), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT32 4PS on a map.

Other trade companies in BT32

What happens if Ultratherm Conservatories 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
NI657481
Status
Active
Company type
Private limited company
Incorporated
30 November 2018 (7 years ago)
Registered office
Unit 4, 22A Ballykelly Road, Banbridge, BT32 4PS
Nature of business
Other construction installation (SIC 43290)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
8 October 2025
Previous names
D C Windows and Doors Limited (until 26 Aug 2020)

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 Banbridge

Other active installation companies (insulation, lifts, shutters and similar) registered in Banbridge.

All installation companies (insulation, lifts, shutters and similar) in Banbridge · All trades in Banbridge · Installers across the UK

Frequently asked questions

When are Ultratherm Conservatories Limited's accounts due?

Ultratherm Conservatories Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is Ultratherm Conservatories 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 Ultratherm Conservatories Limited still trading?

Ultratherm Conservatories 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 Ultratherm Conservatories Limited do?

Ultratherm Conservatories Limited is registered under Other construction installation (SIC 43290).

How old is Ultratherm Conservatories Limited?

Ultratherm Conservatories Limited was incorporated on 30 November 2018, 7 years ago.

What is the penalty if Ultratherm Conservatories 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 Ultratherm Conservatories 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.

File accounts + CT600File now£49Let's talk