- Companies
- Plumbers and heating engineers
- Billericay
- Firth Bros. (Heating & Home Improvements) Limited
Firth Bros. (Heating & Home Improvements) Limited
- Company number
- 01339848
- Incorporated
- 22 Nov 197748 years trading
- Registered office
- First Floor, 39 High Street, Billericay, Essex, CM12 9BA
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Firth Bros. (Heating & Home Improvements) Limited is a 48-year-old private limited company registered in Billericay, company number 01339848, one of 63 plumbing and heating companies in Billericay. 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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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 £35K (-39.9%) on the year before, to £53K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £45K against £28K owed within a year: 1.6 times cover.
- 4 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £53K | £45K | £28K | 4 | |
| 31 Mar 2024 | £88K | £87K | £27K | 4 | |
| 31 Mar 2023 | £103K | £86K | £27K | 4 | |
| 31 Mar 2022 | £132K | £168K | £65K | 4 | |
| 31 Mar 2021 | £84K | £103K | £45K | 4 | |
| 31 Mar 2020 | £84K | £104K | £55K | 1 | |
| 31 Mar 2019 | £97K | £212K | £121K | ||
| 31 Mar 2018 | £23K | £74K | £58K | ||
| 31 Mar 2017 | £6,647 | £51K | £47K | ||
| 31 Mar 2016 | £7,050 | £89K | £90K |
Where Firth Bros. (Heating & Home Improvements) Limited is registered
The registered office is in Billericay (CM12), in the Basildon local authority area, East of England. Show CM12 9BA on a map.
Other trade companies in CM12
- White and Lands LtdProperty developers
- Russell Property Services LimitedPlumbers and heating engineers
- Teddy George Cars LtdMotor traders
- Hallmark Care Homes Developments (No.3) LimitedProperty developers
- SSD Professional Cleaning LtdCleaning companies
- Hallmark Care Homes (Rainbow 4) LimitedBuilders
- Xlinks 1 Auxiliary Equipment No.2 LimitedProperty developers
- Xlinks 1 Auxiliary Equipment No.3 LimitedProperty developers
Also registered at this address
22 other companies use the same registered office as Firth Bros. (Heating & Home Improvements) Limited.
- Alan Osuoha LimitedCivil engineering
- Bliss Eco Energy LimitedElectricians
- Bliss Electrical LimitedElectricians
- Bullseye Cleaning LtdCleaning companies
- Countywide Decor LimitedPainters and decorators
- D.J.B. Services LtdElectricians
- Eclipse Civil Engineering LimitedCivil engineering
- Eclipse Construction LtdGroundworks and demolition
- Eclipse Plant Hire LimitedSpecialist contractors
- Floor Technologies (UK) LtdFloor and wall tilers
- Holt & Co LimitedSpecialist contractors
- LJP Professional Services LtdCivil engineering
- LTG Domestic Appliances LimitedRepair services
- MB Gardens LimitedLandscapers and gardeners
- MC Construction Management LtdBuilders
- NSL Plumbing LtdPlumbers and heating engineers
- Production Line Maintenance LimitedElectricians
- Railtech Innovations LimitedCivil engineering
- Redblue Energy UK LimitedElectricians
- Stapleton Building Services LimitedElectricians
- West 1 Contracts (Interiors) LtdCivil engineering
- West 1 Contracts LimitedCivil engineering
What happens if Firth Bros. (Heating & Home Improvements) 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 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
- 01339848
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 1977 (48 years ago)
- Registered office
- First Floor, 39 High Street, Billericay, Essex, CM12 9BA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 May 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 Billericay
Other active plumbing and heating companies registered in Billericay.
- Fisher Plumbing and Heating Limited2023
- Flowtech LDN Limited2026
- Fluxuator Limited2018
- G&H Southeast Limited2006
- Gas Energy Solutions Ltd2025
- Gastec Billericay Ltd2025
- Get Plumbing & Heating Services Ltd2022
- Hilux Heating Limited2015
All plumbing and heating companies in Billericay · All trades in Billericay · Plumbers and heating engineers across the UK
Frequently asked questions
When are Firth Bros. (Heating & Home Improvements) Limited's accounts due?
Firth Bros. (Heating & Home Improvements) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Firth Bros. (Heating & Home Improvements) Limited'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 Firth Bros. (Heating & Home Improvements) Limited still trading?
Firth Bros. (Heating & Home Improvements) 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 Firth Bros. (Heating & Home Improvements) Limited do?
Firth Bros. (Heating & Home Improvements) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Firth Bros. (Heating & Home Improvements) Limited?
Firth Bros. (Heating & Home Improvements) Limited was incorporated on 22 November 1977, 48 years ago.
What is the penalty if Firth Bros. (Heating & Home Improvements) 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 Firth Bros. (Heating & Home Improvements) Limited 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.