- Companies
- Builders
- Hemel Hempstead
- R Cox Building Services Ltd
R Cox Building Services Ltd
- Company number
- 12746250
- Incorporated
- 15 Jul 20206 years trading
- Registered office
- 109B High Street, Hemel Hempstead, HP1 3AH
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
R Cox Building Services Ltd is a 6-year-old private limited company registered in Hemel Hempstead, company number 12746250, one of 233 building contractors in Hemel Hempstead. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £24K (+39.3%) on the year before, to £84K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £116K against £34K owed within a year: 3.4 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £84K | £116K | £34K | 3 | |
| 31 Jul 2024 | £61K | £73K | £34K | 3 | |
| 31 Jul 2023 | £16K | £36K | £29K | 2 | |
| 31 Jul 2022 | £13K | £15K | £16K | 1 | |
| 31 Jul 2021 | £9,385 | £9,626 | £9,146 | 1 |
Where R Cox Building Services Ltd is registered
The registered office is in Hemel Hempstead (HP1), in the Dacorum local authority area, East of England. Show HP1 3AH on a map.
Other trade companies in HP1
- Lem Road Tanker Repairs LtdMachinery repair and installation
- Dover Heights Group LtdJoiners and carpenters
- Trusentri LtdElectricians
- Cecil Property Group LimitedProperty developers
- Queensway Motors LtdMotor traders
- W.Parkins Building Services LtdBuilders
- Harvey & Sons Fire and Electrical LimitedElectricians
- Buzzard Fire Protection LtdSpecialist contractors
Also registered at this address
9 other companies use the same registered office as R Cox Building Services Ltd.
- Brook Arches LimitedMechanics and garages
- Clamp Construction LtdSpecialist contractors
- Claridon Homes LtdProperty developers
- Foster Signalling Solutions LtdCivil engineering
- Haycrest Development LimitedProperty developers
- M&G Key Ventures LimitedProperty developers
- MBM Groundworks LimitedProperty developers
- Parkfield Rec Development LimitedProperty developers
- Peer Properties UK LimitedProperty developers
What happens if R Cox Building Services 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12746250
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2020 (6 years ago)
- Registered office
- 109B High Street, Hemel Hempstead, HP1 3AH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 14 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Hemel Hempstead
Other active building contractors registered in Hemel Hempstead.
- R.L.K (London) Limited2017
- Raban Construction Ltd2018
- Raubenheimer Limited2026
- RDL Infrastructure Ltd2026
- Regency Builders Ltd2011
- Rektifi Group Ltd2026
- Rencon Ltd.2015
- Reno Productions Ltd2024
All building contractors in Hemel Hempstead · All trades in Hemel Hempstead · Builders across the UK
Frequently asked questions
When are R Cox Building Services Ltd's accounts due?
R Cox Building Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is R Cox Building Services Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is R Cox Building Services Ltd still trading?
R Cox Building Services 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 R Cox Building Services Ltd do?
R Cox Building Services Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is R Cox Building Services Ltd?
R Cox Building Services Ltd was incorporated on 15 July 2020, 6 years ago.
What is the penalty if R Cox Building Services 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 R Cox Building Services 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.