- Companies
- Plumbers and heating engineers
- Norwich
- Smart Heating Ea Ltd
Smart Heating Ea Ltd
- Company number
- 09781338
- Incorporated
- 17 Sep 201511 years trading
- Registered office
- 24 Le Strange Close, Norwich, NR2 3PW
- Nature of business
- Plumbing, heat and air-conditioning installation
Smart Heating Ea Ltd is a 11-year-old private limited company registered in Norwich, company number 09781338, one of 252 plumbing and heating companies in Norwich. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £13K (+30.6%) on the year before, to £58K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £101K against £52K owed within a year: 1.9 times cover.
- 5 employees on average, down from 6 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £58K | £74K | £101K | £52K | 5 |
| 30 Jun 2024 | £44K | £55K | £85K | £54K | 6 |
| 30 Sep 2023 | £70K | £94K | £36K | 4 | |
| 30 Sep 2022 | £58K | £60K | £25K | 4 | |
| 30 Sep 2021 | £98K | £42K | £34K | 3 | |
| 30 Sep 2020 | £44K | £35K | £16K | 2 | |
| 30 Sep 2019 | £20K | £11K | £8,909 | ||
| 30 Sep 2018 | £1,026 | £7,982 | £17K | ||
| 30 Sep 2017 | -£6,359 | £956 | £16K | ||
| 30 Sep 2016 | -£2,281 | £34 | £11K |
Where Smart Heating Ea Ltd is registered
The registered office is in Norwich (NR2), in the Norwich local authority area, East of England. Show NR2 3PW on a map.
Other trade companies in NR2
- Vincent Heating LtdPlumbers and heating engineers
- Green 2 Clean LtdCleaning companies
- CJC Construction Norwich LtdJoiners and carpenters
- Carrford LtdMotor traders
- Owf Brickwork LtdBuilders
- LB Norwich LtdScaffolders
- Owr Dev 1 LtdProperty developers
- Norfolk Plumbing and Heating LtdPlumbers and heating engineers
What happens if Smart Heating Ea 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 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
- 09781338
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2015 (11 years ago)
- Registered office
- 24 Le Strange Close, Norwich, NR2 3PW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 25 May 2026
- Previous names
- Southwaterfix Ltd (until 18 Jan 2018)
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 Norwich
Other active plumbing and heating companies registered in Norwich.
- SMH Plumbing Limited2014
- Sona Heat and Plumb Ltd2020
- South Norfolk Heating Ltd2022
- SP Plumbing & Gas Heating Ltd2017
- Spencer Heating & Plumbing Ltd2026
- Sterling Plumbing & Heating Limited2019
- Stone Plumbing and Servicing Solutions Ltd2026
- Summit Heating Ltd2015
All plumbing and heating companies in Norwich · All trades in Norwich · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smart Heating Ea Ltd's accounts due?
Smart Heating Ea Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Smart Heating Ea Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Smart Heating Ea Ltd still trading?
Smart Heating Ea 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 Smart Heating Ea Ltd do?
Smart Heating Ea Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smart Heating Ea Ltd?
Smart Heating Ea Ltd was incorporated on 17 September 2015, 11 years ago.
What is the penalty if Smart Heating Ea 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 Smart Heating Ea Ltd on Companies House for filed documents, officers and the full history.
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.