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  4. Core Windows and Doors Limited

Core Windows and Doors Limited

ActiveMicro-entity accountsFinishing tradesGlasgow
Company number
SC819840
Incorporated
19 Aug 20242 years trading
Registered office
Caledonia House, Thornliebank Industrial Estate, Glasgow, City Of Glasgow, G46 8JT
Nature of business
Other building completion and finishing
Accounts due in
230 days
31 May 2027
Net assets
£4,915
At 31 Aug 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Core Windows and Doors Limited is a 2-year-old private limited company registered in Glasgow, company number SC819840, one of 283 building finishing companies in Glasgow. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
3 Jun 2027
in 233 days
Last made up to 20 May 2026

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Financial snapshot, 2025

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

Net assets
£4,915
Current assets
£19K
Employees
1
Average during the year, including directors

Who runs and owns Core Windows and Doors Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
J*** G***DirectorAug 2024

Person with significant control

Individual · since Aug 2024
J*** G***
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes
Can appoint and remove directors

Where Core Windows and Doors Limited is registered

Core Windows and Doors Limited's registered office on a map of the UK

The registered office is in Glasgow (G46), in the Glasgow City local authority area, Scotland. Show G46 8JT on a map.

Other trade companies in G46

Also registered at this address

1 other company uses the same registered office as Core Windows and Doors Limited.

What happens if Core Windows and Doors 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 May 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
SC819840
Status
Active
Company type
Private limited company
Incorporated
19 August 2024 (2 years ago)
Registered office
Caledonia House, Thornliebank Industrial Estate, Glasgow, City Of Glasgow, G46 8JT
Nature of business
Other building completion and finishing (SIC 43390)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2025
Last confirmation statement
20 May 2026

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Glasgow

Other active building finishing companies registered in Glasgow.

All building finishing companies in Glasgow · All trades in Glasgow · Finishing trades across the UK

Frequently asked questions

When are Core Windows and Doors Limited's accounts due?

Core Windows and Doors Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is Core Windows and Doors Limited's CT600 due?

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

Is Core Windows and Doors Limited still trading?

Core Windows and Doors 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 Core Windows and Doors Limited do?

Core Windows and Doors Limited is registered under Other building completion and finishing (SIC 43390).

How old is Core Windows and Doors Limited?

Core Windows and Doors Limited was incorporated on 19 August 2024, 2 years ago.

Who runs Core Windows and Doors Limited?

Core Windows and Doors Limited has 1 active director, the longest-serving appointed in Aug 2024. Their names and service addresses are on the Companies House register.

Who owns Core Windows and Doors Limited?

One person or company has significant control of Core Windows and Doors Limited: an individual (owns 50% to 75% of the shares).

What is the penalty if Core Windows and Doors 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 Core Windows and Doors 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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