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  4. Coulon Stone Limited

Coulon Stone Limited

ActiveMicro-entity accountsSpecialist contractorsHigh Wycombe
Company number
02480813
Incorporated
13 Mar 199036 years trading
Registered office
Wycombe Road, Stokenchurch, High Wycombe, Bucks, HP14 3RP
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
444 days
31 Dec 2027
Net assets
£168K▼
-19.6% on the year before
Employees
5
Average during the year
From the Companies House register, 1 Oct 2026

Coulon Stone Limited is a 36-year-old private limited company registered in High Wycombe, company number 02480813, one of 79 specialist construction companies in High Wycombe. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

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

Accounts due
31 Dec 2027
in 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
11 Dec 2026
in 59 days
Last made up to 27 Nov 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 down £41K (-19.6%) on the year before, to £168K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £62K against £49K owed within a year: 1.3 times cover.
  • 5 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£100K£200K31 March 2017: net assets £76K£76K201731 March 2018: net assets £74K£74K201831 March 2019: net assets £50K£50K201931 March 2020: net assets £74K£74K202031 March 2021: net assets £107K£107K202131 March 2022: net assets £144K£144K202231 March 2023: net assets £146K£146K202331 March 2024: net assets £202K£202K202431 March 2025: net assets £209K£209K202531 March 2026: net assets £168K£168K2026
Net assets at each year end, 2017 to 2026£0£100K£200K31 March 2017: net assets £76K£76K'1731 March 2018: net assets £74K£74K'1831 March 2019: net assets £50K£50K'1931 March 2020: net assets £74K£74K'2031 March 2021: net assets £107K£107K'2131 March 2022: net assets £144K£144K'2231 March 2023: net assets £146K£146K'2331 March 2024: net assets £202K£202K'2431 March 2025: net assets £209K£209K'2531 March 2026: net assets £168K£168K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£168K£62K£49K5
31 Mar 2025£209K£84K£41K5
31 Mar 2024£202K£135K£63K8
31 Mar 2023£146K£75K£85K6
31 Mar 2022£144K£130K£101K7
31 Mar 2021£107K£94K£132K7
31 Mar 2020£74K£45K£112K6
31 Mar 2019£50K£28K£99K6
31 Mar 2018£74K£61K£93K
31 Mar 2017£76K£75K£101K

Where Coulon Stone Limited is registered

Coulon Stone Limited's registered office on a map of the UK

The registered office is in High Wycombe (HP14), in the Buckinghamshire local authority area, South East. Show HP14 3RP on a map.

Other trade companies in HP14

What happens if Coulon Stone 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 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
02480813
Status
Active
Company type
Private limited company
Incorporated
13 March 1990 (36 years ago)
Registered office
Wycombe Road, Stokenchurch, High Wycombe, Bucks, HP14 3RP
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
27 November 2025
Charges (mortgages)
3 outstanding of 3 registered

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in High Wycombe

Other active specialist construction companies registered in High Wycombe.

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Frequently asked questions

When are Coulon Stone Limited's accounts due?

Coulon Stone Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is Coulon Stone Limited's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Coulon Stone Limited still trading?

Coulon Stone 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 Coulon Stone Limited do?

Coulon Stone Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Coulon Stone Limited?

Coulon Stone Limited was incorporated on 13 March 1990, 36 years ago.

What is the penalty if Coulon Stone 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 Coulon Stone 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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