12 Haig Avenue, Brighton, BN1 9EQ
About 12 Haig Avenue
12 Haig Avenue is a two-bedroom semi-detached house in Brighton (BN1 9EQ). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2026) shows a C (score 71). When first surveyed in February 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Good to Poor and lighting dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy.
At 79 m² the property is well over the postcode median (48 m² across 17 EPCs), placing it in the larger end of the local stock. Across 2003–2012, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £341,000 sits 79.5% above the 2012 sale of £190,000. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 43.1% below the postcode norm. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in July 2012, so it's been off the market for around 14 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- CloakroomYes
Outside
- Private gardenRear
Building
- Central heatingYes
- Extension potentialPossible
Everything you need to know about 12 Haig Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 6 July 2036
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Planning history
Council records include a part-single-part-two-storey side extension at 12 Haig Avenue.
1 application on record at 12 Haig Avenue, Brighton, BN1 9EQ
- Apr 2021ExtensionFullOutcome in report
Extension: Part single, part two storey · Side of property
Erection of a part two storey, part single storey side extension, revised fenestration and associated works.
- Documents
- 11 docs on file
- Reference
- BH2021/00604
Unlock 12 Haig Avenue, Brighton, BN1 9EQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 23 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Haig Avenue valuation sits well clear of the typical sold price in this postcode.
£341,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 9 years.
£190,000
Growth on file: 2.4% per year over 9 years.
Sales timeline
19 July 2012Most recent
£190,000
+23.0%over 8 years22 December 2003
£154,500
Median price across the last 5 sales in BN1 9EQ: £355,000 (2026–2021).
Versus other Haig Avenue homes
12 Haig Avenue is notably below the street on price per m².
Price per m²
£2,405
Street avg £5,671
Floor Area
79 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.3 t/year
Everything you need to know about 12 Haig Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
1110/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Haig Avenue — bus stop.
Closest school
0.2 km
Coldean Primary School. 14 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.2dB

Night-time· 23:00 – 07:00
42.2dB






