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  4. Custom Renewables Ltd

Custom Renewables Ltd

ActiveMicro-entity accountsPlumbers and heating engineersTowcester
Company number
14396751
Incorporated
4 Oct 20224 years trading
Registered office
Unit 1129 Silverstone Park, Buckingham Road, Silverstone, Towcester, NN12 8FU
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
291 days
30 Jul 2027
Net assets
£388K▲
+113.4% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Custom Renewables Ltd is a 4-year-old private limited company registered in Towcester, company number 14396751, one of 26 plumbing and heating companies in Towcester. Its next accounts are due at Companies House on 30 July 2027, and the CT600 for the period to 30 October 2026 is due at HMRC on 30 October 2027.

Key dates

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

Accounts due
30 Jul 2027
in 291 days
For the period to 30 Oct 2026
CT600 due
30 Oct 2027
in 383 days
Period 1 Nov 2025 to 30 Oct 2026
Corporation tax payment
31 Jul 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
19 Jun 2027
in 250 days
Last made up to 5 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 up £206K (+113.4%) on the year before, to £388K.
  • Current assets of £562K against £248K owed within a year: 2.3 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 3 years, 2023 to 2025.

Net assets by year

Net assets at each year end, 2023 to 2025£0£200K31 October 2023: net assets £87K£87K202330 October 2024: net assets £182K£182K202431 October 2025: net assets £388K£388K2025
Net assets at each year end, 2023 to 2025£0£200K31 October 2023: net assets £87K£87K202330 October 2024: net assets £182K£182K202431 October 2025: net assets £388K£388K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£388K£562K£248K2
30 Oct 2024£182K£279K£185K2
31 Oct 2023£87K£124K£37K2

Where Custom Renewables Ltd is registered

Custom Renewables Ltd's registered office on a map of the UK

The registered office is in Towcester (NN12), in the Buckinghamshire local authority area, South East. Show NN12 8FU on a map.

Other trade companies in NN12

What happens if Custom Renewables Ltd 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 30 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Jul 2027 to 30 Aug 2027£150
1 to 3 months late31 Aug 2027 to 30 Oct 2027£375
3 to 6 months late31 Oct 2027 to 30 Jan 2028£750
More than 6 months lateFrom 31 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Oct 2027£200
3 months late30 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 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
14396751
Status
Active
Company type
Private limited company
Incorporated
4 October 2022 (4 years ago)
Registered office
Unit 1129 Silverstone Park, Buckingham Road, Silverstone, Towcester, NN12 8FU
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
5 June 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

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Frequently asked questions

When are Custom Renewables Ltd's accounts due?

Custom Renewables Ltd's next accounts are due at Companies House by 30 July 2027 (in 291 days), covering the period to 30 October 2026.

When is Custom Renewables Ltd's CT600 due?

The CT600 for the period to 30 October 2026 is due at HMRC by 30 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 July 2027.

Is Custom Renewables Ltd still trading?

Custom Renewables Ltd 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 Custom Renewables Ltd do?

Custom Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Custom Renewables Ltd?

Custom Renewables Ltd was incorporated on 4 October 2022, 4 years ago.

What is the penalty if Custom Renewables Ltd 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 Custom Renewables Ltd 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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