1. Companies
  2. Plumbers and heating engineers
  3. Reading
  4. Heron Mechanical Solutions Limited

Heron Mechanical Solutions Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersReading
Company number
09467629
Incorporated
3 Mar 201511 years trading
Registered office
11 Heron Way, Aldermaston, Reading, Berkshire, RG7 4UU
Nature of business
Plumbing, heat and air-conditioning installation; Other building completion and finishing
Accounts due in
444 days
31 Dec 2027
Net assets
£587K▲
+1.0% on the year before
Cash at bank
£329K▲
At 31 Mar 2026
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Heron Mechanical Solutions Limited is a 11-year-old private limited company registered in Reading, company number 09467629, one of 221 plumbing and heating companies in Reading. 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
17 Mar 2027
in 155 days
Last made up to 3 Mar 2026

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 Heron Mechanical Solutions 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 £5,686 (+1%) on the year before, to £587K.
  • Net assets rose in 9 of 9 year-on-year comparisons on record.
  • Current assets of £734K against £202K owed within a year: 3.6 times cover.
  • 1 employee 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£200K£400K31 March 2017: net assets £35K£35K201731 March 2018: net assets £97K£97K201831 March 2019: net assets £156K£156K201931 March 2020: net assets £183K£183K202031 March 2021: net assets £186K£186K202131 March 2022: net assets £276K£276K202231 March 2023: net assets £427K£427K202331 March 2024: net assets £547K£547K202431 March 2025: net assets £582K£582K202531 March 2026: net assets £587K£587K2026
Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £35K£35K'1731 March 2018: net assets £97K£97K'1831 March 2019: net assets £156K£156K'1931 March 2020: net assets £183K£183K'2031 March 2021: net assets £186K£186K'2131 March 2022: net assets £276K£276K'2231 March 2023: net assets £427K£427K'2331 March 2024: net assets £547K£547K'2431 March 2025: net assets £582K£582K'2531 March 2026: net assets £587K£587K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£587K£329K£734K£202K1
31 Mar 2025£582K£310K£625K£100K1
31 Mar 2024£547K£619K£126K-1
31 Mar 2023£427K£562K£145K-1
31 Mar 2022£276K£139K£424K£199K1
31 Mar 2021£186K£138K£233K£49K1
31 Mar 2020£183K£139K£337K£156K1
31 Mar 2019£156K£129K£225K£71K
31 Mar 2018£97K£41K£156K£60K
31 Mar 2017£35K£25K£96K£61K

Where Heron Mechanical Solutions Limited is registered

Heron Mechanical Solutions Limited's registered office on a map of the UK

The registered office is in Reading (RG7), in the West Berkshire local authority area, South East. Show RG7 4UU on a map.

Other trade companies in RG7

What happens if Heron Mechanical Solutions 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
09467629
Status
Active
Company type
Private limited company
Incorporated
3 March 2015 (11 years ago)
Registered office
11 Heron Way, Aldermaston, Reading, Berkshire, RG7 4UU
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
3 March 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.

Similar companies in Reading

Other active plumbing and heating companies registered in Reading.

All plumbing and heating companies in Reading · All trades in Reading · Plumbers and heating engineers across the UK

Frequently asked questions

When are Heron Mechanical Solutions Limited's accounts due?

Heron Mechanical Solutions 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 Heron Mechanical Solutions 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 Heron Mechanical Solutions Limited still trading?

Heron Mechanical Solutions 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 Heron Mechanical Solutions Limited do?

Heron Mechanical Solutions Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).

How old is Heron Mechanical Solutions Limited?

Heron Mechanical Solutions Limited was incorporated on 3 March 2015, 11 years ago.

What is the penalty if Heron Mechanical Solutions 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 Heron Mechanical Solutions 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