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Darenth Insulation Limited

ActiveTotal exemption (full) accountsInstallersGravesend
Company number
02355782
Incorporated
6 Mar 198937 years trading
Registered office
First Floor Windmill House, 127-128 Windmill Street, Gravesend, Kent, DA12 1BL
Nature of business
Other construction installation
Accounts due in
504 days
29 Feb 2028
Net assets
£91K▼
-6.7% on the year before
Cash at bank
£77K▼
At 31 May 2026
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Darenth Insulation Limited is a 37-year-old private limited company registered in Gravesend, company number 02355782, one of 52 installation companies (insulation, lifts, shutters and similar) in Gravesend. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.

Key dates

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

Accounts due
29 Feb 2028
in 504 days
For the period to 31 May 2027
CT600 due
31 May 2028
in 596 days
Period 1 Jun 2026 to 31 May 2027
Corporation tax payment
1 Mar 2028
in 505 days
9 months and 1 day after the period end
Confirmation statement
2 Jul 2027
in 262 days
Last made up to 18 Jun 2026

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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 £6,519 (-6.7%) on the year before, to £91K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £96K against £13K owed within a year: 7.5 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2018 to 2026.

Net assets by year

Net assets at each year end, 2018 to 2026£0£50K£100K31 May 2018: net assets £58K£58K201830 May 2019: net assets £54K£54K201931 May 2019: net assets £54K£54K201931 May 2020: net assets £40K£40K202031 May 2021: net assets £46K£46K202131 May 2022: net assets £104K£104K202231 May 2023: net assets £85K£85K202331 May 2024: net assets £95K£95K202431 May 2025: net assets £97K£97K202531 May 2026: net assets £91K£91K2026
Net assets at each year end, 2018 to 2026£0£50K£100K31 May 2018: net assets £58K£58K'1830 May 2019: net assets £54K£54K'1931 May 2019: net assets £54K£54K'1931 May 2020: net assets £40K£40K'2031 May 2021: net assets £46K£46K'2131 May 2022: net assets £104K£104K'2231 May 2023: net assets £85K£85K'2331 May 2024: net assets £95K£95K'2431 May 2025: net assets £97K£97K'2531 May 2026: net assets £91K£91K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2026£91K£77K£96K£13K2
31 May 2025£97K£110K£130K£42K2
31 May 2024£95K£98K£122K£40K2
31 May 2023£85K£68K£81K£13K1
31 May 2022£104K£124K£24K1
31 May 2021£46K£63K£21K1
31 May 2020£40K£53K£19K1
31 May 2019£54K£75K£9,571
30 May 2019£54K£75K£9,5711
31 May 2018£58K£86K£13K

Where Darenth Insulation Limited is registered

Darenth Insulation Limited's registered office on a map of the UK

The registered office is in Gravesend (DA12), in the Gravesham local authority area, South East. Show DA12 1BL on a map.

Other trade companies in DA12

Shared registered office

76 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Darenth Insulation 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 29 February 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2028 to 31 Mar 2028£150
1 to 3 months late1 Apr 2028 to 31 May 2028£375
3 to 6 months late1 Jun 2028 to 31 Aug 2028£750
More than 6 months lateFrom 1 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2028£200
3 months late31 Aug 2028another £200
6 months late30 Nov 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
02355782
Status
Active
Company type
Private limited company
Incorporated
6 March 1989 (37 years ago)
Registered office
First Floor Windmill House, 127-128 Windmill Street, Gravesend, Kent, DA12 1BL
Nature of business
Other construction installation (SIC 43290)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2026
Last confirmation statement
18 June 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 Gravesend

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

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Frequently asked questions

When are Darenth Insulation Limited's accounts due?

Darenth Insulation Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.

When is Darenth Insulation Limited's CT600 due?

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

Is Darenth Insulation Limited still trading?

Darenth Insulation 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 Darenth Insulation Limited do?

Darenth Insulation Limited is registered under Other construction installation (SIC 43290).

How old is Darenth Insulation Limited?

Darenth Insulation Limited was incorporated on 6 March 1989, 37 years ago.

What is the penalty if Darenth Insulation 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 Darenth Insulation 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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