Office 4, 24a High Street, Hadleigh, Suffolk, IP7 5AP
Extension Exterior Finishes
5 Ways to Finish The Exterior of Your Extension and their Pros and Cons

Extension Exterior Finishes

Designing an extension or new home? Here are Pros and Cons of five exterior house finishes.

1. Facing Brickwork

Facing Brickwork Pros

  • Looked upon well by planning in most cases
  • Low maintenance
  • Huge amount of style options
  • Flexible in appearance (mortar colour etc.)
  • Simple construction
  • Durable

Facing Brickwork Cons

  • Cost can vary from style to style
  • Time-consuming and labour intensive
  • Will discolour and ‘weather’ over time

Approximate cost per square metre: £50

Extension Exterior Finishes Facing Brickwork
Extension Exterior Finishes Render

2. Render

Render Pros

  • Can be painted any colour
  • Uniform finish
  • Quick
  • Can be applied to any shape or form

Render Cons

  • Requires annual maintenance
  • Over time will crack and degrade
  • Requires re-doing periodically

Approximate cost per square metre: £60

3. Fibre Cement Weatherboard (HardiePlank©)

HardiePlank® Pros

  • 10-year guarantee
  • Very hard wearing
  • Contemporary look
  • Maintenance free
  • Lots of colour options
  • Environmentally Friendly

HardiePlank® Cons

  • High labour cost to install

Approximate cost per square metre: £70

Extension Exterior Finishes fibre cement weatherboard HardiePlank
Extension External Finish Timber Composite Cladding

4. Timber Composite Cladding

Timber Composite Cladding Pros

  • Very hard-wearing
  • Contemporary look
  • Long guarantee
  • Maintenance-free
  • Soft natural look
  • Carbon neutral manufacturing process

Timber Composite Cladding Cons

  • High labour cost to install
  • Expensive

Approximate cost per square metre: £100

5. Hardwood Timber

Hardwood Timber Pros

  • Natural material
  • Contemporary look
  • Versatile in finish
  • Longevity of product
  • Naturally fire-resistant

Hardwood timber Cons

  • Annual upkeep required
  • High labour cost to install

Approximate cost per square metre: £90

Extension External Finish Hardwood Timber