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- Plumbers and heating engineers
- Exeter
- Boiler Smart Ltd
Company profile · Plumbers and heating engineers
Boiler Smart Ltd
Boiler Smart Ltd is a 8-year-old private limited company registered in Exeter, company number 11328611, one of 98 plumbing and heating companies in Exeter. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Boiler Smart Ltd over the years
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 £1,788 (+4.2%) on the year before, to £45K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £67K against £29K owed within a year: 2.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £45K | £67K | £29K | 0 | |
| 31 Mar 2024 | £43K | £58K | £23K | 1 | |
| 31 Mar 2023 | £49K | £84K | £29K | 2 | |
| 31 Mar 2022 | £17K | £61K | £37K | 2 | |
| 31 Mar 2021 | £8,752 | £37K | £20K | 2 | |
| 31 Mar 2020 | £15K | £0 | £28K | £22K | 2 |
| 31 Mar 2019 | -£42 | £4,520 | £14K | £14K | 1 |
Where Boiler Smart Ltd is registered
The registered office is in Exeter (EX2), in the Exeter local authority area, South West. Show EX2 5AZ on a map.
Other trade companies in EX2
- Drive Point Automotive LtdMotor traders
- Dent Care Exeter LtdMechanics and garages
- Reed Services LtdSpecialist contractors
- Renew Heat Southwest LtdPlumbers and heating engineers
- Roxel Constructions LimitedBuilders
- Watipa Electrics LimitedElectricians
- Solution Autobodies LtdMechanics and garages
- Abc Solutions (Exeter) LtdSpecialist contractors
Also registered at this address
22 other companies use the same registered office as Boiler Smart Ltd.
- Abas Drylining & Construction Co. LtdPlasterers
- Beer Construction LimitedBuilders
- Belga Development Management LimitedProperty developers
- C.S.G.Pollitt LimitedMotor traders
- Duraform Homes LtdBuilders
- Engine Parts Online LimitedMotor traders
- Exdon LimitedProperty developers
- Fortbury Homes LimitedBuilders
- Helliar Commercial Cleaning LtdCleaning companies
- L2R Properties LimitedProperty developers
- L2R2 Properties LtdProperty developers
- Leisuretech Services LtdMachinery repair and installation
- LTSL Enterprises LtdCleaning companies
- Mag Windows LtdGlaziers
- Minerva Roofing LtdRoofers
- NC Construction South West LimitedSpecialist contractors
- Palstone Lodges LimitedProperty developers
- Peter Tate LimitedElectricians
- Smart Works (SW) LtdCleaning companies
- Taylor Construction Management LtdProperty developers
- Venion Windows LimitedGlaziers
- Verdant Cleaning LimitedCleaning companies
What happens if Boiler Smart 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11328611
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2018 (8 years ago)
- Registered office
- Melrose House Pynes Hill, Rydon Lane, Exeter, Devon, EX2 5AZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 May 2026
- Previous names
- Smart Glow Ltd (until 9 May 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 Exeter
Other active plumbing and heating companies registered in Exeter.
- Bramshaw Bathrooms Ltd2024
- Bramshaw Heating and Plumbing Limited2013
- Bristol Industrial Heating Limited1971
- Byron Plumbing & Heating Limited2003
- C B Plumbing & Heating Ltd2015
- C&S Interiors SW Ltd2024
- Card Energy Ltd2018
- Carshalton Boiler Services Limited1990
All plumbing and heating companies in Exeter · All trades in Exeter · Plumbers and heating engineers across the UK
Frequently asked questions
When are Boiler Smart Ltd's accounts due?
Boiler Smart Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Boiler Smart Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Boiler Smart Ltd still trading?
Boiler Smart 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 Boiler Smart Ltd do?
Boiler Smart Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Boiler Smart Ltd?
Boiler Smart Ltd was incorporated on 25 April 2018, 8 years ago.
What is the penalty if Boiler Smart 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 Boiler Smart 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.