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Exterior guide

Outdoor Christmas Lights: The Complete Exterior Guide

How to light a house exterior properly — roofline, windows, trees and planting, by property type. Palettes, fixings and what a fitted scheme costs.

9 min read
Detached brick house at dusk with warm white Christmas lights along the roofline, windows and a lit front garden tree

A good exterior scheme lights one architectural line first — usually the roofline — then adds windows, then trees, in that order. Doing all three at once without a hierarchy is what makes a house look busy rather than beautiful.

Most houses are over-decorated and under-designed. The fix is not more lights — it is deciding, before a single clip goes up, which line of the building you are drawing.

Start with one line

Look at your house from the pavement at dusk, with the hall light on. The eye lands somewhere: the eaves, the gable, the porch, the bay. That is your primary line, and it gets lit first and best.

  1. 1Roofline — eaves, verges and gable edges. It gives the house its silhouette.
  2. 2Windows — frames, or bay heads only if the frames are fussy.
  3. 3Trees and planting — one specimen tree beats four half-lit shrubs.
  4. 4Approach — gate piers, hedging, the run of the drive.

A house with a perfect roofline and nothing else looks expensive. A house with a bit of everything looks like a car park.

By property type

PropertyTypical rooflineThe thing to get right
Terrace9–12 mOne unbroken eaves run, stopped cleanly at the party wall
Semi-detached12–18 mFollow the gable up and down so the roof reads as a triangle
DetachedAround 27 mKeep the sides consistent with the front
Period / listedVariesNothing penetrates the fabric
New build10–20 mStraight fascia takes a crisper, denser run

Terraced house

You have one plane and two or three openings, so the whole scheme is about neatness. A line that dies halfway across the frontage is the most common mistake on a terrace. If the bay has a tiled roof, follow its curve rather than squaring it off.

Semi-detached

The gable is the gift. Follow the verge up one side and down the other, then match it with the porch. Resist lighting the shared eaves right up to the boundary unless your neighbour is doing the same; stopping at the natural break in the brick looks intentional.

Detached

Detached houses can carry a full scheme: roofline, windows, porch and two trees. Because the building is seen in the round, an elevation that goes dark at the corner is very obvious from a driveway.

Period and listed

Mortar-joint clips, non-marking hooks and tension lines only. Stucco and painted render want a warmer, softer light than modern brick, and a slightly lower density so the line reads as a thread rather than a strip.

Modern and new build

Clean fascia lines, generous glazing and pale render take a crisper run. This is the one property type where a cooler white can work, and where a permanent track-mounted system is worth costing.

Density, colour and control

Density
~100 LEDs per metre for an unbroken line at ten metres
Too thin
Below 60 per metre you see individual dots
Colour
Warm white, one temperature, everywhere
Colour as feature
Multicolour on one tree or one porch — never a whole frontage
Control
One timer for the whole scheme, dusk to 11pm

Warm white flatters brick, stone, stucco and timber, and it photographs beautifully at blue hour.

Fixings, by surface

  • Gutters and fascia — gutter clips hooked over the lip. No tools, nothing left behind.
  • Roof tiles and slate — ridge and shingle clips gripping the tile edge.
  • Brick — spring clips wedged into the mortar joint, never the brick face.
  • Render and stucco — tension lines and hooks at openings; adhesive only on smooth, dry, warm surfaces.
  • Timber — cup hooks are traditional, but they are a permanent hole. Clips first.

Weather

Everything outdoors must be rated for outdoors — the lights, the joins, the transformer and the extension. Keep connections off the ground and out of standing water, use a weatherproof enclosure at the socket, and leave a drip loop so water runs away from the plug. Indoor sets used outside are the single biggest cause of mid-December failures we get called to.

What it costs to have done

SchemeTypical price
Modest frontage, one lineFrom £1,500
Full residential scheme£2,000–£4,000
Country house, multiple elevations and drive trees£6,000 and above

That price includes design, commercial-grade lights that become yours, installation, in-season repairs and January take-down.

The short version

Would you rather it was just done?

If you would rather it was designed, fitted, maintained and taken down for you, that is the whole of our job.

Go deeper

Related guides

Straight answers

Straight answers.

Start with the roofline, because it is the line the eye reads first from the street. Add window frames next, then trees and planting. Use one colour temperature throughout and fix everything with clips designed for the surface rather than nails or staples.