Contract Administration in Hatch End

Documented building context

Harrow’s Pinnerwood Park appraisal describes a limited set of house designs varied between roads. Paragraph 8.31 distinguishes largely symmetrical semi-detached street houses from asymmetric or individual detached examples at junctions, and describes mirrored arrangements within cul-de-sacs. Its illustrated detail list includes projecting gables, prominent chimneys, tiled detailing and wooden bays.

Existing-building records for the tender

This is a design account for the mapped estate group. Confirm the actual house and present arrangement; a repeated external design does not establish identical alterations, supporting details or repair histories.

For a wooden or canted bay, identify the rooms it serves and the faces included in any joinery or glazing work. Ask whether the account addresses the visible window, the covering or supporting fabric. Locate a reported stain or movement by level and provide photographs of the component rather than a general front-elevation image alone.

If the home has expanded into side or rear space, mark the older outline and later range on one current plan. Identify the opening between them, changes in floor level and any covering meeting the original roof. Ask for the structural and completion papers relating to that project, keeping a later garden-room installation separate.

Hatch End tender and contract decisions

The Pinnerwood Park account describes varied and mirrored designs, so a Hatch End tender should identify the particular half of a pair or detached corner house. Show its own extensions, roof and entrance on the issued drawings. A matching neighbour can provide context but cannot establish this house's alteration record or repair quantities. Ask the designer to confirm the materials and details relevant to the proposed work before contractors price them.

Separate a wooden bay, projecting gable and prominent chimney in the schedule. Each can involve different preparation, support, access and weatherproofing decisions. Define the opening-up needed where the repair depends on concealed construction and identify who supplies the resulting detail. Keep temporary protection and making good in the priced scope. A JCT instruction arising from a changed finding should retain its location, design basis and supporting evidence, rather than become an undefined authorisation for all high-level work.

For an extension, mark the boundary between new construction and the retained house. Confirm the actual route for deliveries and any neighbouring access agreement through the appropriate adviser. Identify inspection stages before connections are concealed and record the outcome against the drawing revision. At handover, attach product information, tests and outstanding items to the bay, stack, roof or extension package actually instructed. A repeated estate pattern does not confirm completion or responsibility for excluded fabric.

HCS cannot act as independent contract administrator where HCS is the contractor.

Contract scope

• Harrow: Pinnerwood Park Estate Conservation Area Appraisal and Management Strategy, adopted December 2009 — PDF page 17 / printed page 16, paragraphs 8.30–8.31 and illustrated detail key for Picture 8.17. Cover page 1 states adoption December 2009.

• Major works
• Tendering
• Clerk of Works
• Employer's Agent
• Insurance reinstatement

• Harrow area guide
• Pinner
• Stanmore
• Harrow On The Hill
• Edgware
• Mill Hill

Professional profiles · RICS regulation