- Companies
- Electricians
- Brentwood
- Three Mountains Contractors Ltd
Three Mountains Contractors Ltd
- Company number
- 11723298
- Incorporated
- 12 Dec 20187 years trading
- Registered office
- Berkeley Townsend Hunter House 150 Hutton Road, Shenfield, Brentwood, CM15 8NL
- Nature of business
- Electrical installation
Three Mountains Contractors Ltd is a 7-year-old private limited company registered in Brentwood, company number 11723298, one of 101 electrical contractors in Brentwood. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £3,609 (-68.5%) on the year before, to -£8,876.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £28K against £39K owed within a year: 0.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | -£8,876 | £12K | £28K | £39K | 0 |
| 31 May 2024 | -£5,267 | £116 | £16K | £19K | 2 |
| 31 May 2023 | -£5,803 | £5,276 | £25K | £24K | 2 |
| 31 May 2022 | -£11K | £12K | £16K | £17K | 2 |
| 31 May 2021 | -£15K | £10K | £20K | £13K | 2 |
| 31 May 2020 | -£17K | £1,748 | £3,513 | £2,005 | 3 |
Where Three Mountains Contractors Ltd is registered
The registered office is in Brentwood (CM15), in the Brentwood local authority area, East of England. Show CM15 8NL on a map.
Other trade companies in CM15
- JJ Freeman Construction LtdGroundworks and demolition
- Sky Loft London LtdFinishing trades
- LDN Systems LtdRoofers
- LDN Traditional Roofing LtdRoofers
- Reactive Roofers LtdRoofers
- K.Fire.Safety LtdElectricians
- Elevation Roofing Group LimitedRoofers
- Krosshatch Creative Concepts LimitedProperty developers
Also registered at this address
19 other companies use the same registered office as Three Mountains Contractors Ltd.
- 4X4X4 LimitedMotor traders
- B. Williams Properties LtdBuilders
- Carter & Shayler Interiors LtdInstallers
- Chabear Investments LtdSpecialist contractors
- Eden Estate Maintenance LimitedLandscapers and gardeners
- Fencing in Chelmsford LtdInstallers
- Fitzherbert Developments LtdProperty developers
- Hec Europe LimitedProperty developers
- JSB Vehicle Solutions LtdMotor traders
- Knightland Developments LtdBuilders
- LDN Leadwork LtdRoofers
- LDN Systems LtdRoofers
- LDN Traditional Roofing LtdRoofers
- Milcombe Homes LtdBuilders
- R & B Engineers LtdMechanics and garages
- Reactive Roofers LtdRoofers
- Ryt-Source Mechanical LtdPlumbers and heating engineers
- Sherbourne Groundworks LtdGroundworks and demolition
- Tas Building Services (UK) LtdFinishing trades
What happens if Three Mountains Contractors 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11723298
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2018 (7 years ago)
- Registered office
- Berkeley Townsend Hunter House 150 Hutton Road, Shenfield, Brentwood, CM15 8NL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 11 December 2025
- Previous names
- Three Mountains Electrical Limited (until 23 Mar 2023)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Brentwood
Other active electrical contractors registered in Brentwood.
- Timox Ltd2017
- TMC Essex Electrical Ltd2025
- Tu Electrical Services Ltd2025
- VR Electrical Limited2011
- Wad Services Ltd2025
- Walkers Electrical Solutions Ltd2019
- Walkers Lighting Ltd2022
- Well Connected Electrical Services Ltd2014
All electrical contractors in Brentwood · All trades in Brentwood · Electricians across the UK
Frequently asked questions
When are Three Mountains Contractors Ltd's accounts due?
Three Mountains Contractors Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Three Mountains Contractors Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Three Mountains Contractors Ltd still trading?
Three Mountains Contractors 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 Three Mountains Contractors Ltd do?
Three Mountains Contractors Ltd is registered under Electrical installation (SIC 43210).
How old is Three Mountains Contractors Ltd?
Three Mountains Contractors Ltd was incorporated on 12 December 2018, 7 years ago.
What is the penalty if Three Mountains Contractors 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 Three Mountains Contractors 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.