Dean of DH Painter & Decorator paints render and masonry in Briar Hill, NN4, about 1.3 miles south-west of Northampton town centre. Each estate wall is assessed on site before a product is chosen, and the squared stone rubble of Grade II listed Briar Hill House is only ever given breathable, lime-compatible treatment.
Start with what the wall is made of
The records we have for Briar Hill describe its 1970s terraces in some detail, down to the double glazing, communal parking and fenced gardens, but they do not say what the walls are built from or finished with. So we make no assumptions. On a first visit Dean looks at each wall in turn and works out whether it is render, painted brick, bare facing brick or something else, and how the existing finish is behaving. That decides whether the wall should be painted at all, and with what.
| What we find | What we check first | Usual direction |
|---|---|---|
| Render that has been painted before | Chalking, flaking, hairline and structural cracks | Clean, repair, stabilise, then two coats of masonry paint |
| Bare facing brick | Whether painting it would cause more problems than it solves | Often better left unpainted; we talk it through |
| Squared stone rubble at Briar Hill House | Listed status and any existing coating | Breathable mineral or lime-compatible products only, if coated at all |
| Walls on managed retirement housing | Who the landlord is and their specification | Arranged through Northampton Partnership Homes |
The full preparation process, from biocide washes to filling and stabilising, is on our main render and masonry painting page.
Briar Hill House: stone that has to breathe
The early-19th-century farmhouse that gave the estate its name is built of squared stone rubble. It was Grade II listed in January 1976, so changes to its stone may need listed building consent, and any coating has to suit the building. Stone walls like these move moisture in and out through the joints and the stone itself. An acrylic masonry paint forms a skin that traps that moisture, and the result is damp inside and spalling or crumbling faces outside.
If the stone has never been painted, the right answer is usually to leave it that way and deal with pointing and drainage instead. If it already carries a coating, Dean identifies what it is before anything new goes on, and any recoat uses breathable mineral or lime-compatible paint. Our guide to painting render and roughcast explains why breathability matters on older walls.
Green streaks on the shady side of the valley
The whole estate sits on the north-facing slope of the Nene Valley at around 80 metres, with the river some 700 metres to the north. Walls facing that way see little direct sun, stay damp after rain and dry slowly. On painted masonry that shows up as green algae, black mould spotting and paint that turns powdery sooner than it would on a south-facing wall.
For a Briar Hill render job that means three practical things:
- a thorough wash and biocide treatment on north-facing walls before any coating, left long enough to work
- a dry spell long enough for the wall to dry right through, which on a shaded elevation can take several days after rain
- a masonry paint with good resistance to algae, chosen with the wall’s exposure in mind
Terraces, parking courts and managed blocks
On a terraced row the job ends at the party line, so we agree with you exactly where the new colour stops against your neighbour’s wall and keep that line crisp. Terraces like those on Southwood Hill park in a communal court rather than at the door, so towers, ladders and sheeting are carried in and set up with shared paths kept passable.
The 1971 sheltered scheme at Southwood Hill and the 1987 bungalows on Blackberry Lane are social-rented retirement housing managed by Northampton Partnership Homes. Masonry work there goes through the landlord, and on the flats the upper walls may need a tower, planned around residents coming and going. We cover all of Briar Hill from our Northampton base; see our Briar Hill page for the wider picture.
Last updated by Dean, DH Painter & Decorator.
