
Wandle Housing Association extensive replacement door and window and exterior maintenance works programme
Extensive replacement door and window and exterior maintenance works programme across several properties.
Client · Wandle Housing Association
G. A. Harper Ltd. · Company 03865094 · Trading heritage since 1937
Active, accounts up to date·main contractor & subcontractor·Head office Dartford
Holding the tradition of quality and service since 1937, G. A. Harper Ltd is a construction company committed to delivering commissions to expectations, budget, and timescales, guided by core values of reliability, flexibility, accountability, responsibility, and capability.
Their general construction services span new builds, shopfitting, refurbishment and alteration, insurance-funded repairs, local authority works, housing association works programmes, and commercial projects. They also operate specialist departments for mechanical works, including domestic and commercial plumbing and heating, and Gas Safe registered services. Their Electrical and Security Division handles domestic power and lighting, fire and intruder alarms, CCTV, access control, commercial and industrial installations, and automated gate systems.
Complementing their construction services, G. A. Harper Ltd boasts a state-of-the-art joinery workshop for bespoke commissions such as reception desks, staircases, furniture, doors, and windows.
The company's leadership includes Glenn Harper, a Chartered Surveyor with experience on prestigious London projects, and Stuart Harper, Operations Director, both bringing extensive experience to the management of the expanding company.

Extensive replacement door and window and exterior maintenance works programme across several properties.
Client · Wandle Housing Association

Tarling Close, Sidcup
The opening ceremony for the new lift installed at Tarling Close, Sidcup. Keniston Housing Shelterd Accommodation.
Client · Keniston Housing Association

A large design and build refurbishment to form the new Strood Library, expected to open early in 2015.

Commissioned for the design and build of a new nursery building, which incorporated renewable energy installations such as solar power and an air sourced heat pump.
Client · Oakfield Community Primary School

Tower Hamlets
Refurbishment works to the library including external works and bespoke joinery.
Client · Cyril Jackson School
Wandle Housing Association, Keniston Housing Association.
This profile was compiled from public records. Claim it to add the things buyers ask for:
G. A. Harper Ltd is a construction company offering a wide range of services including new build, shopfitting, refurbishment, and insurance-funded repairs. They also provide plumbing, heating, electrical, and joinery services. Their listed services include Main contractor, Refurbishment, Plumbing, Heating & ventilation and Electrical.
G. A. Harper Ltd. is registered at Gwynfa House, 677 Princes Road, Dartford, DA2 6EF, in London.
G. A. Harper Ltd. states that it works across Kent and London.
Accounts filed for the year to 2025 report 43 employees, which places the company in the 10-49 employees band.
G. A. Harper Ltd. does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £5.9m and £16.0m. This is an estimate, not a filed figure.
Companies House lists G. A. Harper Ltd. as active, with accounts most recently made up to 2025-02-28.
G. A. Harper Ltd. works in Residential, Commercial, Public, Education and Retail.
G. A. Harper Ltd. was incorporated on 1999-10-25, though the company says it has traded since 1937.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.